#081B2B
Closest named color: Rich Black (#0D1B2A). oklch(21.5% 0.04 246.4), rgb(8, 27, 43).
Aa
White text reads best on this color (17.47:1).
About this color
#081B2B is a very dark, muted blue. In OKLCH its lightness is 22%, its chroma 0.040 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.006 away. White text reads best on it, at 17.47:1.
| Hue family | Blues |
| Lightness | very dark (22%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.20:1 |
| White text | 17.47:1 |
Values
| HEX | #081B2B |
| RGB | rgb(8, 27, 43) |
| HSL | hsl(207, 69%, 10%) |
| OKLCH | oklch(21.5% 0.04 246.4) |
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 #081B2B | 17.47:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #081B2B | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #081B2B text on white | 17.47:1 | AAA | Lc 104.2 | Preferred for body text |
| #081B2B text on black | 1.20:1 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CCDBEA
oklch(88.5% 0.026 248.1)
-
Step 300
300
#A8C4DE
oklch(80.8% 0.048 246.4)
-
Step 400
400
#79A6CE
oklch(70.8% 0.076 246)
-
Step 500
500
#558FC1
oklch(63.1% 0.097 246.1)
-
Step 600
600
#3878AE
oklch(55.6% 0.107 246.7)
-
Step 700
700
#2A6595
oklch(49.1% 0.098 246.3)
-
Step 800
800
#245279
oklch(42.6% 0.082 246.9)
-
Step 900
900
#234461
oklch(37.6% 0.063 246.9)
-
Step 950
950 (this color)
#081B2B
oklch(21.5% 0.04 246.4)
#081B2B 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) | #141C2C | 0.017 |
| Deuteranopia (no green cones) | #0F182B | 0.013 |
| Tritanopia (no blue cones) | #001F21 | 0.030 |
| Achromatopsia (no color) | #1A1A1A | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #081B2B
#081B2B
oklch(21.5% 0.04 246.4)
- #261504
#261504
oklch(21.5% 0.04 64.8)
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 #081B2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.006
- Dark #1B2431 ΔE 0.045
- Rich Navy #001219 ΔE 0.049
- Oxford Blue #1B263B ΔE 0.055
- Jet #212529 ΔE 0.056
- Navy Blue #001146 ΔE 0.065
- Almost Black #070D0D ΔE 0.072
- Dark Navy #000435 ΔE 0.081
Use #081B2B 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.