#201821
Closest named color: Rich Black (#0D1B2A). oklch(22.3% 0.021 322.6), rgb(32, 24, 33).
Aa
White text reads best on this color (17.29:1).
About this color
#201821 is a very dark close to neutral grey. In OKLCH its lightness is 22%, its chroma 0.021. 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 17.29:1.
| Hue family | Neutrals |
| Lightness | very dark (22%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.21:1 |
| White text | 17.29:1 |
Values
| HEX | #201821 |
| RGB | rgb(32, 24, 33) |
| HSL | hsl(293, 16%, 11%) |
| OKLCH | oklch(22.3% 0.021 322.6) |
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 #201821 | 17.29:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #201821 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #201821 text on white | 17.29:1 | AAA | Lc 104.2 | Preferred for body text |
| #201821 text on black | 1.21:1 | 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#ECE8ED
oklch(93.6% 0.008 319.4)
-
Step 200
200
#DED6DE
oklch(88.5% 0.014 325.7)
-
Step 300
300
#C9BCCA
oklch(81% 0.024 323.6)
-
Step 400
400
#AD99AF
oklch(70.7% 0.039 323.1)
-
Step 500
500
#99809C
oklch(63.2% 0.05 322.7)
-
Step 600
600
#836986
oklch(55.6% 0.054 322.9)
-
Step 700
700
#6F5772
oklch(49.1% 0.052 322.6)
-
Step 800
800
#5A475D
oklch(42.6% 0.043 321.8)
-
Step 900
900
#4A3C4C
oklch(37.7% 0.033 322.1)
-
Step 950
950 (this color)
#201821
oklch(22.3% 0.021 322.6)
#201821 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) | #171A21 | 0.018 |
| Deuteranopia (no green cones) | #191B21 | 0.016 |
| Tritanopia (no blue cones) | #20191B | 0.013 |
| Achromatopsia (no color) | #1B1B1B | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #201821
#201821
oklch(22.3% 0.021 322.6)
- #161E15
#161E15
oklch(22.4% 0.021 141.9)
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 #201821, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.035
- Dark #1B2431 ΔE 0.044
- Jet #212529 ΔE 0.044
- Oxford Blue #1B263B ΔE 0.059
- Rich Navy #001219 ΔE 0.067
- Dark Brown #341C02 ΔE 0.069
- Almost Black #070D0D ΔE 0.076
- Eggplant #380835 ΔE 0.078
Use #201821 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.