#5B2A18
Closest named color: Chestnut (#742802). oklch(34.8% 0.078 40.3), rgb(91, 42, 24).
Aa
White text reads best on this color (11.73:1).
About this color
#5B2A18 is a dark, moderately saturated brown. In OKLCH its lightness is 35%, its chroma 0.078 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.054 away. White text reads best on it, at 11.73:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.078) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.78:1 |
| White text | 11.73:1 |
Values
| HEX | #5B2A18 |
| RGB | rgb(91, 42, 24) |
| HSL | hsl(16, 58%, 23%) |
| OKLCH | oklch(34.8% 0.078 40.3) |
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 #5B2A18 | 11.73:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #5B2A18 | 1.78:1 | Fails | Lc 7.3 | Not readable |
| #5B2A18 text on white | 11.73:1 | AAA | Lc 96.6 | Preferred for body text |
| #5B2A18 text on black | 1.78:1 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F5E6E1
oklch(93.5% 0.018 39.4)
-
Step 200
200
#EDD3C9
oklch(88.6% 0.032 42.2)
-
Step 300
300
#E3B5A4
oklch(81% 0.059 41.3)
-
Step 400
400
#D38D74
oklch(70.8% 0.093 40.4)
-
Step 500
500
#C56E4F
oklch(63% 0.119 40.2)
-
Step 600
600
#B15533
oklch(55.7% 0.129 40.3)
-
Step 700
700
#984425
oklch(49.1% 0.121 40)
-
Step 800
800
#7B3920
oklch(42.7% 0.099 40.6)
-
Step 900
900 (this color)
#5B2A18
oklch(34.8% 0.078 40.3)
-
Step 950
950
#3A1D13
oklch(26.8% 0.049 39.7)
#5B2A18 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) | #373116 | 0.074 |
| Deuteranopia (no green cones) | #433C17 | 0.068 |
| Tritanopia (no blue cones) | #642026 | 0.039 |
| Achromatopsia (no color) | #383838 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B2A18
#5B2A18
oklch(34.8% 0.078 40.3)
- #004151
#004151
oklch(34.7% 0.064 220.9)
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 #5B2A18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.054
- Reddy Brown #6E1005 ΔE 0.054
- Purple Brown #673A3F ΔE 0.067
- Claret #680018 ΔE 0.069
- Blood #770001 ΔE 0.073
- Burgundy #610023 ΔE 0.079
- Chocolate Brown #411900 ΔE 0.080
- Mud Brown #60460F ΔE 0.084
Use #5B2A18 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.