#081B2A
Closest named color: Rich Black (#0D1B2A). oklch(21.5% 0.039 244.7), rgb(8, 27, 42).
Aa
White text reads best on this color (17.49:1).
About this color
#081B2A is a very dark, muted blue. In OKLCH its lightness is 21%, its chroma 0.039 and its hue 245°. 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 17.49:1.
| Hue family | Blues |
| Lightness | very dark (21%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.20:1 |
| White text | 17.49:1 |
Values
| HEX | #081B2A |
| RGB | rgb(8, 27, 42) |
| HSL | hsl(206, 68%, 10%) |
| OKLCH | oklch(21.5% 0.039 244.7) |
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 #081B2A | 17.49:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #081B2A | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #081B2A text on white | 17.49:1 | AAA | Lc 104.2 | Preferred for body text |
| #081B2A 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CCDBE9
oklch(88.4% 0.025 246.2)
-
Step 300
300
#A9C4DD
oklch(80.8% 0.046 246.3)
-
Step 400
400
#79A6CC
oklch(70.7% 0.074 244.6)
-
Step 500
500
#558FBF
oklch(63% 0.095 245.1)
-
Step 600
600
#3979AB
oklch(55.7% 0.102 244.8)
-
Step 700
700
#2A6593
oklch(49% 0.096 245.2)
-
Step 800
800
#255377
oklch(42.7% 0.078 244.8)
-
Step 900
900
#234560
oklch(37.8% 0.061 244.4)
-
Step 950
950 (this color)
#081B2A
oklch(21.5% 0.039 244.7)
#081B2A 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) | #141B2B | 0.017 |
| Deuteranopia (no green cones) | #10182A | 0.014 |
| Tritanopia (no blue cones) | #001F20 | 0.030 |
| Achromatopsia (no color) | #1A1A1A | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #081B2A
#081B2A
oklch(21.5% 0.039 244.7)
- #261505
#261505
oklch(21.5% 0.039 62.9)
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 #081B2A, 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 0.048
- Jet #212529 ΔE 0.056
- Oxford Blue #1B263B ΔE 0.056
- Navy Blue #001146 ΔE 0.066
- Almost Black #070D0D ΔE 0.071
- Dark Navy #000435 ΔE 0.082
Use #081B2A 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.