#5A331B
Closest named color: Chestnut (#742802). oklch(36.4% 0.067 50.9), rgb(90, 51, 27).
Aa
White text reads best on this color (10.91:1).
About this color
#5A331B is a dark, muted brown. In OKLCH its lightness is 36%, its chroma 0.067 and its hue 51°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.055 away. White text reads best on it, at 10.91:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | muted (0.067) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.92:1 |
| White text | 10.91:1 |
Values
| HEX | #5A331B |
| RGB | rgb(90, 51, 27) |
| HSL | hsl(23, 54%, 23%) |
| OKLCH | oklch(36.4% 0.067 50.9) |
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 #5A331B | 10.91:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #5A331B | 1.92:1 | Fails | Lc 8.9 | Not readable |
| #5A331B text on white | 10.91:1 | AAA | Lc 95.0 | Preferred for body text |
| #5A331B text on black | 1.92:1 | Fails | Lc -7.6 | 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
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F2E7E1
oklch(93.5% 0.014 50.8)
-
Step 200
200
#E9D4C9
oklch(88.4% 0.028 49.6)
-
Step 300
300
#DCB8A4
oklch(80.9% 0.05 50.7)
-
Step 400
400
#CA9272
oklch(70.7% 0.081 50.7)
-
Step 500
500
#BB764D
oklch(63.1% 0.103 50.7)
-
Step 600
600
#A65E30
oklch(55.6% 0.112 51.1)
-
Step 700
700
#8E4D23
oklch(49.1% 0.104 50.8)
-
Step 800
800
#743F1E
oklch(42.7% 0.087 50.4)
-
Step 900
900 (this color)
#5A331B
oklch(36.4% 0.067 50.9)
-
Step 950
950
#372012
oklch(27% 0.043 51.4)
#5A331B 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) | #3E3719 | 0.056 |
| Deuteranopia (no green cones) | #47401B | 0.051 |
| Tritanopia (no blue cones) | #632B2D | 0.042 |
| Achromatopsia (no color) | #3D3D3D | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A331B
#5A331B
oklch(36.4% 0.067 50.9)
- #0C445B
#0C445B
oklch(36.4% 0.067 231.2)
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 #5A331B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.055
- Purple Brown #673A3F ΔE 0.059
- Mud Brown #60460F ΔE 0.062
- Reddy Brown #6E1005 ΔE 0.072
- Charcoal Grey #3C4142 ΔE 0.074
- Dark Olive #373E02 ΔE 0.082
- Onyx #343A40 ΔE 0.082
- Blood #770001 ΔE 0.088
Use #5A331B 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.