#5B2E1E
Closest named color: Chestnut (#742802). oklch(35.7% 0.071 40.1), rgb(91, 46, 30).
Aa
White text reads best on this color (11.32:1).
About this color
#5B2E1E is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.071 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.053 away. White text reads best on it, at 11.32:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.071) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.85:1 |
| White text | 11.32:1 |
Values
| HEX | #5B2E1E |
| RGB | rgb(91, 46, 30) |
| HSL | hsl(16, 50%, 24%) |
| OKLCH | oklch(35.7% 0.071 40.1) |
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 #5B2E1E | 11.32:1 | AAA | Lc -99.6 | Preferred for body text |
| Black text on #5B2E1E | 1.85:1 | Fails | Lc 8.1 | Not readable |
| #5B2E1E text on white | 11.32:1 | AAA | Lc 95.8 | Preferred for body text |
| #5B2E1E text on black | 1.85:1 | 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 900.
-
Step 50
50
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F4E7E2
oklch(93.7% 0.016 42.4)
-
Step 200
200
#EBD3CB
oklch(88.4% 0.029 39.3)
-
Step 300
300
#E0B6A7
oklch(81% 0.053 40.6)
-
Step 400
400
#CF8F78
oklch(70.8% 0.085 40.6)
-
Step 500
500
#C17155
oklch(63.1% 0.109 39.9)
-
Step 600
600
#AC583A
oklch(55.5% 0.118 40)
-
Step 700
700
#94482C
oklch(49.2% 0.11 40.4)
-
Step 800
800
#783B26
oklch(42.7% 0.091 39.4)
-
Step 900
900 (this color)
#5B2E1E
oklch(35.7% 0.071 40.1)
-
Step 950
950
#391E15
oklch(26.9% 0.045 39.2)
#5B2E1E 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) | #3A341C | 0.067 |
| Deuteranopia (no green cones) | #453E1D | 0.061 |
| Tritanopia (no blue cones) | #64262A | 0.035 |
| Achromatopsia (no color) | #3A3A3A | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B2E1E
#5B2E1E
oklch(35.7% 0.071 40.1)
- #004454
#004454
oklch(35.8% 0.065 220.1)
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 #5B2E1E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.053
- Purple Brown #673A3F ΔE 0.058
- Reddy Brown #6E1005 ΔE 0.060
- Claret #680018 ΔE 0.076
- Mud Brown #60460F ΔE 0.076
- Blood #770001 ΔE 0.078
- Charcoal Grey #3C4142 ΔE 0.079
- Onyx #343A40 ΔE 0.084
Use #5B2E1E 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.