#0B201E
Closest named color: Rich Black (#0D1B2A). oklch(22.5% 0.027 187.3), rgb(11, 32, 30).
Aa
White text reads best on this color (16.94:1).
About this color
#0B201E is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.035 away. White text reads best on it, at 16.94:1.
| Hue family | Neutrals |
| Lightness | very dark (23%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.23:1 |
| White text | 16.94:1 |
Values
| HEX | #0B201E |
| RGB | rgb(11, 32, 30) |
| HSL | hsl(174, 49%, 8%) |
| OKLCH | oklch(22.5% 0.027 187.3) |
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 #0B201E | 16.94:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #0B201E | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #0B201E text on white | 16.94:1 | AAA | Lc 103.8 | Preferred for body text |
| #0B201E 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
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CDDDDB
oklch(88.5% 0.017 187.8)
-
Step 300
300
#AAC8C4
oklch(80.9% 0.033 186.7)
-
Step 400
400
#7BABA6
oklch(70.6% 0.052 188)
-
Step 500
500
#589790
oklch(63.2% 0.066 186.6)
-
Step 600
600
#3A817A
oklch(55.6% 0.072 186.7)
-
Step 700
700
#2C6D67
oklch(49.1% 0.067 187)
-
Step 800
800
#265954
oklch(42.8% 0.055 186.8)
-
Step 900
900
#244945
oklch(37.7% 0.043 186.5)
-
Step 950
950 (this color)
#0B201E
oklch(22.5% 0.027 187.3)
#0B201E 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) | #1E1E1E | 0.029 |
| Deuteranopia (no green cones) | #1B1B1E | 0.029 |
| Tritanopia (no blue cones) | #03211F | 0.008 |
| Achromatopsia (no color) | #1D1D1D | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B201E
#0B201E
oklch(22.5% 0.027 187.3)
- #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 #0B201E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.035
- Jet #212529 ΔE 0.044
- Dark #1B2431 ΔE 0.045
- Rich Navy #001219 ΔE 0.059
- Oxford Blue #1B263B ΔE 0.062
- Dark Forest Green #002D04 ΔE 0.073
- Almost Black #070D0D ΔE 0.075
- Very Dark Green #062E03 ΔE 0.076
Use #0B201E 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.