#28231A
Closest named color: Jet (#212529). oklch(25.9% 0.018 82.2), rgb(40, 35, 26).
Aa
White text reads best on this color (15.60:1).
About this color
#28231A is a dark close to neutral grey. In OKLCH its lightness is 26%, its chroma 0.018. 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 15.60:1.
| Hue family | Neutrals |
| Lightness | dark (26%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.34:1 |
| White text | 15.60:1 |
Values
| HEX | #28231A |
| RGB | rgb(40, 35, 26) |
| HSL | hsl(39, 21%, 13%) |
| OKLCH | oklch(25.9% 0.018 82.2) |
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 #28231A | 15.60:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #28231A | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #28231A text on white | 15.60:1 | AAA | Lc 102.6 | Preferred for body text |
| #28231A text on black | 1.34:1 | 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
#F6F5F3
oklch(97% 0.003 84.6)
-
Step 100
100
#ECE9E5
oklch(93.5% 0.006 75.4)
-
Step 200
200
#DDD8D1
oklch(88.4% 0.011 76.6)
-
Step 300
300
#C7C0B2
oklch(81% 0.021 84.6)
-
Step 400
400
#AB9F89
oklch(70.7% 0.034 82.7)
-
Step 500
500
#97876C
oklch(63.1% 0.043 80.7)
-
Step 600
600
#817154
oklch(55.6% 0.047 82.2)
-
Step 700
700
#6D5F44
oklch(49.2% 0.044 83.5)
-
Step 800
800
#594D38
oklch(42.6% 0.036 81.4)
-
Step 900
900
#494031
oklch(37.6% 0.027 80.4)
-
Step 950
950 (this color)
#28231A
oklch(25.9% 0.018 82.2)
#28231A 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) | #252319 | 0.006 |
| Deuteranopia (no green cones) | #27241A | 0.004 |
| Tritanopia (no blue cones) | #2A2121 | 0.017 |
| Achromatopsia (no color) | #242424 | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28231A
#28231A
oklch(25.9% 0.018 82.2)
- #1F242C
#1F242C
oklch(25.9% 0.017 259.8)
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 #28231A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.027
- Dark Brown #341C02 ΔE 0.038
- Dark #1B2431 ΔE 0.046
- Chocolate Brown #411900 ΔE 0.059
- Oxford Blue #1B263B ΔE 0.061
- Rich Black #0D1B2A ΔE 0.067
- Pakistan Green #283618 ΔE 0.068
- Space Cadet #2B2D42 ΔE 0.072
Use #28231A 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.