#5B2C15
Closest named color: Chestnut (#742802). oklch(35.2% 0.077 45.1), rgb(91, 44, 21).
Aa
White text reads best on this color (11.56:1).
About this color
#5B2C15 is a dark, moderately saturated brown. In OKLCH its lightness is 35%, its chroma 0.077 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.052 away. White text reads best on it, at 11.56:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.077) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.81:1 |
| White text | 11.56:1 |
Values
| HEX | #5B2C15 |
| RGB | rgb(91, 44, 21) |
| HSL | hsl(20, 63%, 22%) |
| OKLCH | oklch(35.2% 0.077 45.1) |
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 #5B2C15 | 11.56:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #5B2C15 | 1.81:1 | Fails | Lc 7.6 | Not readable |
| #5B2C15 text on white | 11.56:1 | AAA | Lc 96.2 | Preferred for body text |
| #5B2C15 text on black | 1.81:1 | 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
#F4E7E1
oklch(93.7% 0.016 46.6)
-
Step 200
200
#ECD3C8
oklch(88.5% 0.032 45.3)
-
Step 300
300
#E1B6A2
oklch(80.9% 0.057 46.3)
-
Step 400
400
#D18E70
oklch(70.7% 0.092 44.9)
-
Step 500
500
#C47049
oklch(63.1% 0.119 44.9)
-
Step 600
600
#AF572B
oklch(55.6% 0.128 45.1)
-
Step 700
700
#96461D
oklch(49% 0.12 44.9)
-
Step 800
800
#7A3A1B
oklch(42.6% 0.099 44.5)
-
Step 900
900 (this color)
#5B2C15
oklch(35.2% 0.077 45.1)
-
Step 950
950
#3A1E11
oklch(27% 0.049 45)
#5B2C15 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) | #393312 | 0.070 |
| Deuteranopia (no green cones) | #443D14 | 0.065 |
| Tritanopia (no blue cones) | #642227 | 0.043 |
| Achromatopsia (no color) | #393939 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B2C15
#5B2C15
oklch(35.2% 0.077 45.1)
- #004255
#004255
oklch(35.2% 0.067 224.6)
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 #5B2C15, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.052
- Reddy Brown #6E1005 ΔE 0.057
- Purple Brown #673A3F ΔE 0.067
- Claret #680018 ΔE 0.075
- Blood #770001 ΔE 0.076
- Mud Brown #60460F ΔE 0.077
- Chocolate Brown #411900 ΔE 0.082
- Burgundy #610023 ΔE 0.086
Use #5B2C15 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.