Palette 5,771 of 15,000,000

Midnight Slate Lagoon

Midnight Slate Lagoon: a dark monochromatic palette of #011D2C, #00283F, #054256, #235D82, #407186. Nocturnal, focused and cinematic; best contrast 3.23:1.

About this palette

A cool palette of 5 colors drawing on blue, with a tight lightness range that stays soft and cohesive. Its lightest and darkest colors reach a contrast of 3.23:1, better for large type and decoration. Open any color for its conversions, shades, harmonies and contrast.

Colors

  • ≈ Oxford by Night#011D2C

    A very dark, muted blue (Oxford by Night) that brings open, airy calm. White text sits comfortably on it.

  • ≈ Dark Eclipse#00283F

    A very dark, muted blue (Dark Eclipse) that brings trust and steadiness. White text sits comfortably on it.

  • ≈ Maniac Mansion#054256

    A dark, muted blue (Maniac Mansion) that brings open, airy calm. White text sits comfortably on it.

  • ≈ Dark Blue#235D82

    A medium, moderately saturated blue (Dark Blue) that brings quiet confidence. White text sits comfortably on it.

  • ≈ Calypso#407186

    A medium, muted blue (Calypso) that brings open, airy calm. White text sits comfortably on it.

Tags

CoolMutedDarkBlue

Psychology

TrustworthyCalmDependableSecureOpen

Meaning

StabilityLoyaltySkySeaWisdom

Applications

BankingSoftwareHealthcareCorporate IdentityTravel

Similar palettes

Accessibility

  • On white17.30:1Excellent 5/5
  • On black3.92:1Fair 2/5
  • Color blind friendly99% similarExcellent 5/5

Contrast is the best any color in the palette reaches on a plain white or black background. Color blind friendly shows how much of the difference between the colors is kept under the common kinds of color blindness.

Colors and suggested roles
ColorRoleHEXLightness
≈ NavyBackground#011D2C22%
≈ InkSurface#00283F26%
≈ CharcoalAccent#05425635%
≈ SlatePrimary#235D8246%
≈ SlateText#40718652%

No palette color is readable as text on the background, so use #E2F5FE for text.

CSS variables
:root {
  --color-background: #011d2c;
  --color-surface: #00283f;
  --color-primary: #235d82;
  --color-accent: #054256;
  --color-text: #e2f5fe;
}
Tailwind v4 (@theme)
@theme {
  --color-background: #011d2c;
  --color-surface: #00283f;
  --color-primary: #235d82;
  --color-accent: #054256;
  --color-ink: #e2f5fe;
}

About this palette

Midnight Slate Lagoon is palette number 5,771 of Tintly's fifteen million generated palettes. It is a dark palette built on a monochromatic scheme, and it is anchored by Slate (#235D82), the most saturated of its five colors.

The palette reads as nocturnal, focused and cinematic. Its colors run from Slate (#407186) at the light end to Navy (#011D2C) at the dark end, covering 22% to 52% perceptual lightness, so it has real range rather than five similar tones.

The five colors

1. ≈ Navy #011D2C: suggested role background. It is a blue color with 22% lightness and a chroma of 0.045.

2. ≈ Ink #00283F: suggested role surface. It is a blue color with 26% lightness and a chroma of 0.06.

3. ≈ Charcoal #054256: suggested role accent. It is a cyan color with 35% lightness and a chroma of 0.066.

4. ≈ Slate #235D82: suggested role primary. It is a blue color with 46% lightness and a chroma of 0.085.

5. ≈ Slate #407186: suggested role text. It is a cyan color with 52% lightness and a chroma of 0.063.

Harmony and structure

All five colors share almost the same hue and differ mainly in lightness and saturation. Monochromatic palettes are the easiest to keep harmonious, because nothing competes for attention.

In this palette the hues fall in the blue and cyan families, spread across 14 degrees of the OKLCH hue circle. Dark palettes keep chroma between 0.04 and 0.14, and lightness between 20% and 52%, which is why the set feels consistent.

Temperature and mood

Overall the palette is cool: 0 of its 5 chromatic colors lean warm and 5 lean cool. Its average chroma of 0.064 makes the saturation balanced.

That combination suits dark-mode interfaces, gaming and music apps and luxury packaging, and it is a good fit when you want a design to feel nocturnal, focused and cinematic.

Accessibility and contrast

The strongest pairing is Navy (#011D2C) with Slate (#407186) at a contrast ratio of 3.23:1, which is WCAG AA large. Across all 10 possible pairs, 0 reach the 4.5:1 AA level for normal text and 1 more reach 3:1 for large text.

No other palette color reaches 4.5:1 on the background (#011D2C), so this page suggests #E2F5FE for text, a lightened Slate that reaches 15.43:1. Check any pair you use in the contrast checker.

Under protanopia (reduced red sensitivity), #011D2C and #00283F may look alike, so avoid using that difference alone to carry meaning. Under deuteranopia (reduced green sensitivity), #011D2C and #00283F may look alike, so avoid using that difference alone to carry meaning. Under tritanopia (reduced blue sensitivity), #011D2C and #00283F may look alike, so avoid using that difference alone to carry meaning.

How to use it

Suggested roles: #011D2C as the background, #00283F for cards and surfaces, #235D82 as the primary brand color, #054256 as the accent, and #E2F5FE for text (a computed lighter shade of Slate, because no palette color is readable on that background). A reliable starting split is 60% background and surface, 30% primary and 10% accent.

Use the lightest color for large areas, the mid tones for structure, and the darkest for text. Add contrast through lightness, since hue will not do it for you.

Typical uses for a dark palette include dark-mode interfaces, gaming and music apps, luxury packaging and cinematic presentations. Open it in the generator to lock the colors you love and reroll the rest, or in the visualizer to see it on real layouts.

More palettes like this

Frequently asked questions

Is Midnight Slate Lagoon accessible?

Its best pair reaches 3.23:1 (#011D2C on #407186). 0 of 10 pairs reach WCAG AA for normal text. Always check the exact text and background you use.

Which color should be the main brand color?

Slate (#235D82) is the most saturated color that is neither the lightest nor the darkest, which makes it the natural primary.

What is this palette good for?

It suits dark-mode interfaces, gaming and music apps, luxury packaging and cinematic presentations, where a nocturnal, focused and cinematic feel works well.

Midnight Slate Lagoon Color Palette (011D2C, 00283F, 054256, 235D82, 407186) · Tintly