Nocturnal Sapphire Opal
Nocturnal Sapphire Opal: a dark triadic palette of #001833, #412127, #2C3F21, #274E9E, #945356. Deep, dramatic and immersive; best contrast 3.08:1.
A balanced palette of 5 colors drawing on blue, red, green, with a tight lightness range that stays soft and cohesive. Its lightest and darkest colors reach a contrast of 3.08:1, better for large type and decoration. Open any color for its conversions, shades, harmonies and contrast.
Colors
- ≈ Oxford by Night#001833
A very dark, muted blue (Oxford by Night) that brings trust and steadiness. White text sits comfortably on it.
- ≈ Castro#412127
A dark, muted red (Castro) that brings warmth and energy. White text sits comfortably on it.
- ≈ Myrtle#2C3F21
A dark, muted green (Myrtle) that brings growth and calm. White text sits comfortably on it.
- ≈ Blue Chip#274E9E
A dark, moderately saturated blue (Blue Chip) that brings open, airy calm. White text sits comfortably on it.
- ≈ Coconut#945356
A medium, moderately saturated brown (Coconut) that brings natural comfort. White text sits comfortably on it.
Tags
Psychology
Meaning
Applications
Similar palettes
Accessibility
- On white17.81:1Excellent 5/5
- On black3.63:1Fair 2/5
- Color blind friendly91% 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 |
|---|---|---|---|
| ≈ Navy | Background | #001833 | 21% |
| ≈ Espresso | Surface | #412127 | 29% |
| ≈ Charcoal | Accent | #2C3F21 | 34% |
| ≈ Sapphire | Primary | #274E9E | 44% |
| ≈ Rust | Text | #945356 | 52% |
No palette color is readable as text on the background, so use #FFEDED for text.
:root {
--color-background: #001833;
--color-surface: #412127;
--color-primary: #274e9e;
--color-accent: #2c3f21;
--color-text: #ffeded;
}
@theme {
--color-background: #001833;
--color-surface: #412127;
--color-primary: #274e9e;
--color-accent: #2c3f21;
--color-ink: #ffeded;
}
About this palette
Nocturnal Sapphire Opal is palette number 203 of Tintly's fifteen million generated palettes. It is a dark palette built on a triadic scheme, and it is anchored by Sapphire (#274E9E), the most saturated of its five colors.
The palette reads as deep, dramatic and immersive. Its colors run from Rust (#945356) at the light end to Navy (#001833) at the dark end, covering 21% to 52% perceptual lightness, so it has real range rather than five similar tones.
The five colors
1. ≈ Navy #001833: suggested role background. It is a blue color with 21% lightness and a chroma of 0.062.
2. ≈ Espresso #412127: suggested role surface. It is a rose color with 29% lightness and a chroma of 0.05.
3. ≈ Charcoal #2C3F21: suggested role accent. It is a green color with 34% lightness and a chroma of 0.055.
4. ≈ Sapphire #274E9E: suggested role primary. It is a blue color with 44% lightness and a chroma of 0.138.
5. ≈ Rust #945356: suggested role text. It is a rose color with 52% lightness and a chroma of 0.087.
Harmony and structure
Three hues are spaced about a third of the wheel apart. Triadic palettes feel balanced and playful, because no single hue family dominates.
In this palette the hues fall in the blue, rose and green families, spread across 254 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: 2 of its 5 chromatic colors lean warm and 2 lean cool. Its average chroma of 0.078 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 Navy (#001833) with Rust (#945356) at a contrast ratio of 3.08:1, 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 (#001833), so this page suggests #FFEDED for text, a lightened Rust that reaches 15.77:1. 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: #001833 as the background, #412127 for cards and surfaces, #274E9E as the primary brand color, #2C3F21 as the accent, and #FFEDED for text (a computed lighter shade of Rust, because no palette color is readable on that background). A reliable starting split is 60% background and surface, 30% primary and 10% accent.
Choose one hue to dominate, one to support and one for small accents, so the palette stays lively without becoming chaotic.
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 Sapphire Opal accessible?
Its best pair reaches 3.08:1 (#001833 on #945356). 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?
Sapphire (#274E9E) 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.