#0B201D
Closest named color: Rich Black (#0D1B2A). oklch(22.5% 0.028 183.4), rgb(11, 32, 29).
Aa
White text reads best on this color (16.95:1).
About this color
#0B201D is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.037 away. White text reads best on it, at 16.95:1.
| Hue family | Neutrals |
| Lightness | very dark (23%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.23:1 |
| White text | 16.95:1 |
Values
| HEX | #0B201D |
| RGB | rgb(11, 32, 29) |
| HSL | hsl(171, 49%, 8%) |
| OKLCH | oklch(22.5% 0.028 183.4) |
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 #0B201D | 16.95:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #0B201D | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #0B201D text on white | 16.95:1 | AAA | Lc 103.8 | Preferred for body text |
| #0B201D 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CDDDDA
oklch(88.5% 0.018 183.5)
-
Step 300
300
#AAC8C3
oklch(80.9% 0.033 184.4)
-
Step 400
400
#7CACA4
oklch(70.8% 0.053 183.4)
-
Step 500
500
#58978D
oklch(63.1% 0.067 182.8)
-
Step 600
600
#3A8178
oklch(55.5% 0.073 184.3)
-
Step 700
700
#2C6D65
oklch(49% 0.067 184.3)
-
Step 800
800
#265952
oklch(42.7% 0.056 183.5)
-
Step 900
900
#244944
oklch(37.6% 0.044 184.3)
-
Step 950
950 (this color)
#0B201D
oklch(22.5% 0.028 183.4)
#0B201D 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) | #1E1E1D | 0.029 |
| Deuteranopia (no green cones) | #1B1B1D | 0.029 |
| Tritanopia (no blue cones) | #03211F | 0.008 |
| Achromatopsia (no color) | #1C1C1C | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B201D
#0B201D
oklch(22.5% 0.028 183.4)
- #27161A
#27161A
oklch(22.5% 0.028 4.3)
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 #0B201D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.037
- Jet #212529 ΔE 0.045
- Dark #1B2431 ΔE 0.047
- Rich Navy #001219 ΔE 0.060
- Oxford Blue #1B263B ΔE 0.064
- Dark Forest Green #002D04 ΔE 0.072
- Almost Black #070D0D ΔE 0.075
- Very Dark Green #062E03 ΔE 0.075
Use #0B201D 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.