#28210B
Closest named color: Dark Brown (#341C02). oklch(25% 0.037 91.9), rgb(40, 33, 11).
Aa
White text reads best on this color (15.99:1).
About this color
#28210B is a very dark, muted brown. In OKLCH its lightness is 25%, its chroma 0.037 and its hue 92°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.027 away. White text reads best on it, at 15.99:1.
| Hue family | Browns |
| Lightness | very dark (25%) |
| Chroma | muted (0.037) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.31:1 |
| White text | 15.99:1 |
Values
| HEX | #28210B |
| RGB | rgb(40, 33, 11) |
| HSL | hsl(46, 57%, 10%) |
| OKLCH | oklch(25% 0.037 91.9) |
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 #28210B | 15.99:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #28210B | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #28210B text on white | 15.99:1 | AAA | Lc 102.9 | Preferred for body text |
| #28210B text on black | 1.31:1 | 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
#F7F5F1
oklch(97.1% 0.006 84.6)
-
Step 100
100
#EDEAE1
oklch(93.7% 0.012 91.5)
-
Step 200
200
#DFD9C7
oklch(88.5% 0.025 91.6)
-
Step 300
300
#CBC0A1
oklch(80.9% 0.044 90.8)
-
Step 400
400
#B0A06D
oklch(70.7% 0.071 92.7)
-
Step 500
500
#9D8845
oklch(63.1% 0.09 92.3)
-
Step 600
600
#887124
oklch(55.6% 0.098 91.9)
-
Step 700
700
#735E16
oklch(49% 0.091 91.7)
-
Step 800
800
#5E4D16
oklch(42.7% 0.075 91.3)
-
Step 900
900
#4D4019
oklch(37.6% 0.059 90.9)
-
Step 950
950 (this color)
#28210B
oklch(25% 0.037 91.9)
#28210B 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) | #252009 | 0.008 |
| Deuteranopia (no green cones) | #27220C | 0.004 |
| Tritanopia (no blue cones) | #2C1E1C | 0.034 |
| Achromatopsia (no color) | #222222 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28210B
#28210B
oklch(25% 0.037 91.9)
- #1B2034
#1B2034
oklch(24.9% 0.039 272.6)
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 #28210B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.027
- Jet #212529 ΔE 0.048
- Chocolate Brown #411900 ΔE 0.055
- Dark #1B2431 ΔE 0.065
- Very Dark Green #062E03 ΔE 0.066
- Dark Forest Green #002D04 ΔE 0.068
- Pakistan Green #283618 ΔE 0.070
- Rich Black #0D1B2A ΔE 0.078
Use #28210B 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.