#081B38
Closest named color: Rich Black (#0D1B2A). oklch(22.5% 0.062 258.7), rgb(8, 27, 56).
Aa
White text reads best on this color (17.15:1).
About this color
#081B38 is a very dark, muted blue. In OKLCH its lightness is 23%, its chroma 0.062 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.028 away. White text reads best on it, at 17.15:1.
| Hue family | Blues |
| Lightness | very dark (23%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.22:1 |
| White text | 17.15:1 |
Values
| HEX | #081B38 |
| RGB | rgb(8, 27, 56) |
| HSL | hsl(216, 75%, 13%) |
| OKLCH | oklch(22.5% 0.062 258.7) |
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 #081B38 | 17.15:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #081B38 | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #081B38 text on white | 17.15:1 | AAA | Lc 103.9 | Preferred for body text |
| #081B38 text on black | 1.22:1 | 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
#C9DAF5
oklch(88.4% 0.042 259.6)
-
Step 300
300
#A4C2F0
oklch(80.8% 0.073 258.8)
-
Step 400
400
#73A2E9
oklch(70.8% 0.116 258.4)
-
Step 500
500
#4E88E2
oklch(63% 0.149 258.9)
-
Step 600
600
#3070D0
oklch(55.6% 0.162 258.6)
-
Step 700
700
#235DB4
oklch(49% 0.151 258.8)
-
Step 800
800
#1E4D92
oklch(42.8% 0.125 258.4)
-
Step 900
900
#1E4074
oklch(37.5% 0.098 258.7)
-
Step 950
950 (this color)
#081B38
oklch(22.5% 0.062 258.7)
#081B38 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) | #0C1E39 | 0.012 |
| Deuteranopia (no green cones) | #041937 | 0.009 |
| Tritanopia (no blue cones) | #002226 | 0.049 |
| Achromatopsia (no color) | #1B1B1B | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #081B38
#081B38
oklch(22.5% 0.062 258.7)
- #271900
#271900
oklch(22.6% 0.047 80.5)
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 #081B38, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.028
- Navy Blue #001146 ΔE 0.043
- Dark #1B2431 ΔE 0.047
- Oxford Blue #1B263B ΔE 0.048
- Jet #212529 ΔE 0.064
- Night Blue #040348 ΔE 0.069
- Rich Navy #001219 ΔE 0.069
- Dark Indigo #1F0954 ΔE 0.074
Use #081B38 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.