#0B281F
Closest named color: Jet (#212529). oklch(25.2% 0.039 169.8), rgb(11, 40, 31).
Aa
White text reads best on this color (15.70:1).
About this color
#0B281F is a dark, muted green. In OKLCH its lightness is 25%, its chroma 0.039 and its hue 170°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jet (#212529), ΔE 0.040 away. White text reads best on it, at 15.70:1.
| Hue family | Greens |
| Lightness | dark (25%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Jet (#212529) |
| Black text | 1.33:1 |
| White text | 15.70:1 |
Values
| HEX | #0B281F |
| RGB | rgb(11, 40, 31) |
| HSL | hsl(161, 57%, 10%) |
| OKLCH | oklch(25.2% 0.039 169.8) |
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 #0B281F | 15.70:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #0B281F | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #0B281F text on white | 15.70:1 | AAA | Lc 102.5 | Preferred for body text |
| #0B281F text on black | 1.33:1 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#C9DFD6
oklch(88.5% 0.026 169.2)
-
Step 300
300
#A4CBBC
oklch(81% 0.046 169.7)
-
Step 400
400
#70B099
oklch(70.7% 0.074 169.4)
-
Step 500
500
#459C80
oklch(63.1% 0.095 169.4)
-
Step 600
600
#1C866A
oklch(55.5% 0.102 170.1)
-
Step 700
700
#087258
oklch(49.2% 0.096 169.5)
-
Step 800
800
#105D48
oklch(42.8% 0.079 169.4)
-
Step 900
900
#184C3C
oklch(37.7% 0.062 169.3)
-
Step 950
950 (this color)
#0B281F
oklch(25.2% 0.039 169.8)
#0B281F 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) | #27251F | 0.040 |
| Deuteranopia (no green cones) | #222220 | 0.037 |
| Tritanopia (no blue cones) | #002825 | 0.014 |
| Achromatopsia (no color) | #232323 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B281F
#0B281F
oklch(25.2% 0.039 169.8)
- #301A25
#301A25
oklch(25.2% 0.039 348.9)
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 #0B281F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.040
- Dark #1B2431 ΔE 0.047
- Dark Forest Green #002D04 ΔE 0.051
- Very Dark Green #062E03 ΔE 0.053
- Rich Black #0D1B2A ΔE 0.059
- Oxford Blue #1B263B ΔE 0.062
- Pakistan Green #283618 ΔE 0.069
- Dark Brown #341C02 ΔE 0.075
Use #0B281F 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.