#081D33
Closest named color: Rich Black (#0D1B2A). oklch(22.7% 0.051 251.8), rgb(8, 29, 51).
Aa
White text reads best on this color (17.01:1).
About this color
#081D33 is a very dark, muted blue. In OKLCH its lightness is 23%, its chroma 0.051 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.018 away. White text reads best on it, at 17.01:1.
| Hue family | Blues |
| Lightness | very dark (23%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.23:1 |
| White text | 17.01:1 |
Values
| HEX | #081D33 |
| RGB | rgb(8, 29, 51) |
| HSL | hsl(211, 73%, 12%) |
| OKLCH | oklch(22.7% 0.051 251.8) |
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 #081D33 | 17.01:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #081D33 | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #081D33 text on white | 17.01:1 | AAA | Lc 103.8 | Preferred for body text |
| #081D33 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CADBEF
oklch(88.5% 0.033 252.5)
-
Step 300
300
#A5C4E7
oklch(80.9% 0.06 251.7)
-
Step 400
400
#73A4DB
oklch(70.6% 0.097 252)
-
Step 500
500
#4D8DD1
oklch(63.1% 0.122 251.6)
-
Step 600
600
#2E76BE
oklch(55.7% 0.133 251.5)
-
Step 700
700
#2062A4
oklch(49% 0.124 252)
-
Step 800
800
#1D5185
oklch(42.8% 0.102 251.5)
-
Step 900
900
#1E436B
oklch(37.7% 0.081 252.3)
-
Step 950
950 (this color)
#081D33
oklch(22.7% 0.051 251.8)
#081D33 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) | #131E34 | 0.015 |
| Deuteranopia (no green cones) | #0D1A33 | 0.011 |
| Tritanopia (no blue cones) | #002225 | 0.038 |
| Achromatopsia (no color) | #1C1C1C | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #081D33
#081D33
oklch(22.7% 0.051 251.8)
- #2A1800
#2A1800
oklch(22.8% 0.049 72.5)
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 #081D33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.018
- Dark #1B2431 ΔE 0.039
- Oxford Blue #1B263B ΔE 0.044
- Jet #212529 ΔE 0.054
- Navy Blue #001146 ΔE 0.056
- Rich Navy #001219 ΔE 0.064
- Night Blue #040348 ΔE 0.081
- Space Cadet #2B2D42 ΔE 0.082
Use #081D33 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.