#21291F
Closest named color: Jet (#212529). oklch(27% 0.021 139.4), rgb(33, 41, 31).
Aa
White text reads best on this color (14.98:1).
About this color
#21291F is a dark close to neutral grey. In OKLCH its lightness is 27%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.027 away. White text reads best on it, at 14.98:1.
| Hue family | Neutrals |
| Lightness | dark (27%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.40:1 |
| White text | 14.98:1 |
Values
| HEX | #21291F |
| RGB | rgb(33, 41, 31) |
| HSL | hsl(108, 14%, 14%) |
| OKLCH | oklch(27% 0.021 139.4) |
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 #21291F | 14.98:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #21291F | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #21291F text on white | 14.98:1 | AAA | Lc 101.9 | Preferred for body text |
| #21291F text on black | 1.40:1 | 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E7EBE6
oklch(93.6% 0.008 139.4)
-
Step 200
200
#D4DBD3
oklch(88.4% 0.013 141.8)
-
Step 300
300
#B8C5B5
oklch(80.9% 0.026 139.8)
-
Step 400
400
#94A78F
oklch(70.7% 0.04 139.2)
-
Step 500
500
#7A9174
oklch(63% 0.05 139.2)
-
Step 600
600
#627C5C
oklch(55.7% 0.057 139.8)
-
Step 700
700
#51684C
oklch(49% 0.052 140)
-
Step 800
800
#43553E
oklch(42.7% 0.043 138.9)
-
Step 900
900
#384635
oklch(37.6% 0.034 140.1)
-
Step 950
950 (this color)
#21291F
oklch(27% 0.021 139.4)
#21291F 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) | #2A271E | 0.016 |
| Deuteranopia (no green cones) | #28261F | 0.015 |
| Tritanopia (no blue cones) | #212826 | 0.014 |
| Achromatopsia (no color) | #272727 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21291F
#21291F
oklch(27% 0.021 139.4)
- #2B232D
#2B232D
oklch(26.9% 0.022 319.5)
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 #21291F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.027
- Dark #1B2431 ΔE 0.044
- Pakistan Green #283618 ΔE 0.053
- Dark Brown #341C02 ΔE 0.055
- Oxford Blue #1B263B ΔE 0.057
- Very Dark Green #062E03 ΔE 0.061
- Dark Forest Green #002D04 ΔE 0.063
- Gunmetal #293241 ΔE 0.064
Use #21291F 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.