#0B221A
Closest named color: Jet (#212529). oklch(23% 0.033 168.2), rgb(11, 34, 26).
Aa
White text reads best on this color (16.69:1).
About this color
#0B221A is a very dark, muted green. In OKLCH its lightness is 23%, its chroma 0.033 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jet (#212529), ΔE 0.046 away. White text reads best on it, at 16.69:1.
| Hue family | Greens |
| Lightness | very dark (23%) |
| Chroma | muted (0.033) |
| Temperature | in between |
| Nearest name | Jet (#212529) |
| Black text | 1.25:1 |
| White text | 16.69:1 |
Values
| HEX | #0B221A |
| RGB | rgb(11, 34, 26) |
| HSL | hsl(159, 51%, 9%) |
| OKLCH | oklch(23% 0.033 168.2) |
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 #0B221A | 16.69:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #0B221A | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #0B221A text on white | 16.69:1 | AAA | Lc 103.5 | Preferred for body text |
| #0B221A text on black | 1.25:1 | 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
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CCDED6
oklch(88.5% 0.022 167.4)
-
Step 300
300
#A9C9BC
oklch(80.9% 0.039 168.8)
-
Step 400
400
#79AE99
oklch(70.7% 0.064 167.9)
-
Step 500
500
#549980
oklch(63% 0.081 168.2)
-
Step 600
600
#36846A
oklch(55.7% 0.087 168.3)
-
Step 700
700
#276F58
oklch(49% 0.081 168.5)
-
Step 800
800
#225B48
oklch(42.8% 0.068 168.1)
-
Step 900
900
#224B3C
oklch(37.8% 0.053 167.3)
-
Step 950
950 (this color)
#0B221A
oklch(23% 0.033 168.2)
#0B221A 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) | #211F1A | 0.034 |
| Deuteranopia (no green cones) | #1E1D1B | 0.033 |
| Tritanopia (no blue cones) | #042220 | 0.013 |
| Achromatopsia (no color) | #1E1E1E | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B221A
#0B221A
oklch(23% 0.033 168.2)
- #291620
#291620
oklch(23% 0.035 347.4)
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 #0B221A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.046
- Rich Black #0D1B2A ΔE 0.047
- Dark #1B2431 ΔE 0.051
- Dark Forest Green #002D04 ΔE 0.061
- Very Dark Green #062E03 ΔE 0.064
- Oxford Blue #1B263B ΔE 0.068
- Rich Navy #001219 ΔE 0.068
- Dark Brown #341C02 ΔE 0.074
Use #0B221A 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.