#21291B
Closest named color: Jet (#212529). oklch(26.8% 0.028 132.2), rgb(33, 41, 27).
Aa
White text reads best on this color (15.02:1).
About this color
#21291B is a dark close to neutral grey. In OKLCH its lightness is 27%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.033 away. White text reads best on it, at 15.02:1.
| Hue family | Neutrals |
| Lightness | dark (27%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.39:1 |
| White text | 15.02:1 |
Values
| HEX | #21291B |
| RGB | rgb(33, 41, 27) |
| HSL | hsl(94, 21%, 13%) |
| OKLCH | oklch(26.8% 0.028 132.2) |
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 #21291B | 15.02:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #21291B | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #21291B text on white | 15.02:1 | AAA | Lc 101.9 | Preferred for body text |
| #21291B text on black | 1.39:1 | 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E7EBE5
oklch(93.5% 0.009 134.9)
-
Step 200
200
#D5DCD0
oklch(88.6% 0.018 131.9)
-
Step 300
300
#B9C5B0
oklch(80.8% 0.032 131.6)
-
Step 400
400
#95A886
oklch(70.7% 0.053 131.5)
-
Step 500
500
#7A9268
oklch(63% 0.067 132.3)
-
Step 600
600
#637C50
oklch(55.5% 0.071 132.4)
-
Step 700
700
#526940
oklch(49.1% 0.068 132.3)
-
Step 800
800
#435635
oklch(42.8% 0.057 132.7)
-
Step 900
900
#39472E
oklch(37.8% 0.045 132)
-
Step 950
950 (this color)
#21291B
oklch(26.8% 0.028 132.2)
#21291B 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) | #2A271A | 0.016 |
| Deuteranopia (no green cones) | #29261C | 0.018 |
| Tritanopia (no blue cones) | #212825 | 0.019 |
| Achromatopsia (no color) | #272727 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21291B
#21291B
oklch(26.8% 0.028 132.2)
- #2B2230
#2B2230
oklch(26.8% 0.028 313.3)
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 #21291B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.033
- Pakistan Green #283618 ΔE 0.050
- Dark #1B2431 ΔE 0.050
- Dark Brown #341C02 ΔE 0.053
- Very Dark Green #062E03 ΔE 0.056
- Dark Forest Green #002D04 ΔE 0.057
- Oxford Blue #1B263B ΔE 0.064
- Gunmetal #293241 ΔE 0.070
Use #21291B 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.