#081B3B
Closest named color: Rich Black (#0D1B2A). oklch(22.8% 0.067 260.1), rgb(8, 27, 59).
Aa
White text reads best on this color (17.06:1).
About this color
#081B3B is a very dark, muted blue. In OKLCH its lightness is 23%, its chroma 0.067 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.034 away. White text reads best on it, at 17.06:1.
| Hue family | Blues |
| Lightness | very dark (23%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.23:1 |
| White text | 17.06:1 |
Values
| HEX | #081B3B |
| RGB | rgb(8, 27, 59) |
| HSL | hsl(218, 76%, 13%) |
| OKLCH | oklch(22.8% 0.067 260.1) |
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 #081B3B | 17.06:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #081B3B | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #081B3B text on white | 17.06:1 | AAA | Lc 103.8 | Preferred for body text |
| #081B3B 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFA
oklch(93.5% 0.024 262.1)
-
Step 200
200
#C9DAF7
oklch(88.5% 0.044 261.2)
-
Step 300
300
#A3C2F4
oklch(80.9% 0.079 259.9)
-
Step 400
400
#71A1EF
oklch(70.8% 0.126 259.8)
-
Step 500
500
#4C87EA
oklch(63.2% 0.162 260.1)
-
Step 600
600
#2E6ED8
oklch(55.6% 0.176 260)
-
Step 700
700
#215BBB
oklch(49% 0.163 260.1)
-
Step 800
800
#1D4B97
oklch(42.7% 0.135 260)
-
Step 900
900
#1D3F79
oklch(37.6% 0.107 260.4)
-
Step 950
950 (this color)
#081B3B
oklch(22.8% 0.067 260.1)
#081B3B 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) | #0A1E3C | 0.011 |
| Deuteranopia (no green cones) | #011A3A | 0.010 |
| Tritanopia (no blue cones) | #002328 | 0.053 |
| Achromatopsia (no color) | #1C1C1C | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #081B3B
#081B3B
oklch(22.8% 0.067 260.1)
- #281900
#281900
oklch(22.7% 0.047 78.6)
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 #081B3B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.034
- Navy Blue #001146 ΔE 0.040
- Oxford Blue #1B263B ΔE 0.048
- Dark #1B2431 ΔE 0.049
- Night Blue #040348 ΔE 0.066
- Jet #212529 ΔE 0.067
- Dark Indigo #1F0954 ΔE 0.069
- Dark Navy #000435 ΔE 0.074
Use #081B3B 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.