#081C39
Closest named color: Rich Black (#0D1B2A). oklch(22.9% 0.062 257.9), rgb(8, 28, 57).
Aa
White text reads best on this color (16.99:1).
About this color
#081C39 is a very dark, muted blue. In OKLCH its lightness is 23%, its chroma 0.062 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.029 away. White text reads best on it, at 16.99:1.
| Hue family | Blues |
| Lightness | very dark (23%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.23:1 |
| White text | 16.99:1 |
Values
| HEX | #081C39 |
| RGB | rgb(8, 28, 57) |
| HSL | hsl(216, 75%, 13%) |
| OKLCH | oklch(22.9% 0.062 257.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #081C39 | 16.99:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #081C39 | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #081C39 text on white | 16.99:1 | AAA | Lc 103.7 | Preferred for body text |
| #081C39 text on black | 1.23:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C9DBF5
oklch(88.6% 0.041 257.5)
-
Step 300
300
#A3C3F0
oklch(80.9% 0.073 256.9)
-
Step 400
400
#71A2E9
oklch(70.7% 0.117 257.6)
-
Step 500
500
#4B89E2
oklch(63.1% 0.149 257.6)
-
Step 600
600
#2D71D0
oklch(55.7% 0.162 257.7)
-
Step 700
700
#1F5EB4
oklch(49.1% 0.151 257.6)
-
Step 800
800
#1C4D92
oklch(42.7% 0.125 257.8)
-
Step 900
900
#1D4174
oklch(37.7% 0.097 257.5)
-
Step 950
950 (this color)
#081C39
oklch(22.9% 0.062 257.9)
#081C39 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #0E1F3A | 0.013 |
| Deuteranopia (no green cones) | #051A38 | 0.008 |
| Tritanopia (no blue cones) | #002327 | 0.049 |
| Achromatopsia (no color) | #1C1C1C | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #081C39
#081C39
oklch(22.9% 0.062 257.9)
- #291900
#291900
oklch(22.9% 0.048 76.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #081C39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.029
- Navy Blue #001146 ΔE 0.045
- Dark #1B2431 ΔE 0.045
- Oxford Blue #1B263B ΔE 0.045
- Jet #212529 ΔE 0.062
- Night Blue #040348 ΔE 0.071
- Rich Navy #001219 ΔE 0.072
- Dark Indigo #1F0954 ΔE 0.074
Use #081C39 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.