Nocturnal Indigo Haven
Nocturnal Indigo Haven: a dark monochromatic palette of #815A9E, #613F77, #452867, #3C0054, #1C1132. Deep, dramatic and immersive; best contrast 3.30:1.
A cool palette of 5 colors drawing on purple, with a tight lightness range that stays soft and cohesive. Its lightest and darkest colors reach a contrast of 3.30:1, better for large type and decoration. Open any color for its conversions, shades, harmonies and contrast.
Colors
- ≈ Prophet Violet#815A9E
A medium, moderately saturated purple (Prophet Violet) that brings quiet luxury. White text sits comfortably on it.
- ≈ Heartless#613F77
A dark, moderately saturated purple (Heartless) that brings quiet luxury. White text sits comfortably on it.
- ≈ Fading Horizon#452867
A dark, moderately saturated purple (Fading Horizon) that brings a creative, premium air. White text sits comfortably on it.
- ≈ Hollow Knight#3C0054
A very dark, moderately saturated purple (Hollow Knight) that brings imagination and polish. White text sits comfortably on it.
- ≈ Midnight Monarch#1C1132
A very dark, muted purple (Midnight Monarch) that brings quiet luxury. White text sits comfortably on it.
Tags
Psychology
Meaning
Applications
Similar palettes
Accessibility
- On white17.86:1Excellent 5/5
- On black3.88:1Fair 2/5
- Color blind friendly97% 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.
| Color | Role | HEX | Lightness |
|---|---|---|---|
| ≈ Iris | Text | #815A9E | 54% |
| ≈ Plum | Surface | #613F77 | 43% |
| ≈ Indigo | Accent | #452867 | 35% |
| ≈ Indigo | Primary | #3C0054 | 27% |
| ≈ Ink | Background | #1C1132 | 21% |
No palette color is readable as text on the background, so use #F7EEFE for text.
:root {
--color-background: #1c1132;
--color-surface: #613f77;
--color-primary: #3c0054;
--color-accent: #452867;
--color-text: #f7eefe;
}
@theme {
--color-background: #1c1132;
--color-surface: #613f77;
--color-primary: #3c0054;
--color-accent: #452867;
--color-ink: #f7eefe;
}
About this palette
Nocturnal Indigo Haven is palette number 339 of Tintly's fifteen million generated palettes. It is a dark palette built on a monochromatic scheme, and it is anchored by Indigo (#3C0054), the most saturated of its five colors.
The palette reads as deep, dramatic and immersive. Its colors run from Iris (#815A9E) at the light end to Ink (#1C1132) at the dark end, covering 21% to 54% perceptual lightness, so it has real range rather than five similar tones.
The five colors
1. ≈ Iris #815A9E: suggested role text. It is a violet color with 54% lightness and a chroma of 0.111.
2. ≈ Plum #613F77: suggested role surface. It is a violet color with 43% lightness and a chroma of 0.097.
3. ≈ Indigo #452867: suggested role accent. It is a violet color with 35% lightness and a chroma of 0.108.
4. ≈ Indigo #3C0054: suggested role primary. It is a violet color with 27% lightness and a chroma of 0.135.
5. ≈ Ink #1C1132: suggested role background. It is a violet color with 21% 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 violet family, spread across 16 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 temperature-balanced: 0 of its 5 chromatic colors lean warm and 0 lean cool. Its average chroma of 0.103 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 deep, dramatic and immersive.
Accessibility and contrast
The strongest pairing is Iris (#815A9E) with Ink (#1C1132) at a contrast ratio of 3.30:1, 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 (#1C1132), so this page suggests #F7EEFE for text, a lightened Iris that reaches 15.83:1. Check any pair you use in the contrast checker.
All five colors stay distinguishable under protanopia, deuteranopia and tritanopia simulations, which is a good sign, although it is no substitute for testing with real users.
How to use it
Suggested roles: #1C1132 as the background, #613F77 for cards and surfaces, #3C0054 as the primary brand color, #452867 as the accent, and #F7EEFE for text (a computed lighter shade of Iris, 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 Nocturnal Indigo Haven accessible?
Its best pair reaches 3.30:1 (#815A9E on #1C1132). 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?
Indigo (#3C0054) 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 deep, dramatic and immersive feel works well.