#5C311B
Closest named color: Chestnut (#742802). oklch(36.4% 0.071 46.7), rgb(92, 49, 27).
Aa
White text reads best on this color (10.99:1).
About this color
#5C311B is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.071 and its hue 47°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.051 away. White text reads best on it, at 10.99:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.071) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.91:1 |
| White text | 10.99:1 |
Values
| HEX | #5C311B |
| RGB | rgb(92, 49, 27) |
| HSL | hsl(20, 55%, 23%) |
| OKLCH | oklch(36.4% 0.071 46.7) |
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 #5C311B | 10.99:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #5C311B | 1.91:1 | Fails | Lc 8.7 | Not readable |
| #5C311B text on white | 10.99:1 | AAA | Lc 95.2 | Preferred for body text |
| #5C311B text on black | 1.91:1 | Fails | Lc -7.5 | 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
#F3E7E1
oklch(93.6% 0.015 48.6)
-
Step 200
200
#EBD4C9
oklch(88.6% 0.03 47.3)
-
Step 300
300
#DFB7A4
oklch(81% 0.053 46.8)
-
Step 400
400
#CD9073
oklch(70.6% 0.085 46.3)
-
Step 500
500
#BF734E
oklch(63% 0.109 46.1)
-
Step 600
600
#AA5A31
oklch(55.5% 0.118 46.2)
-
Step 700
700
#924A23
oklch(49.1% 0.11 46.8)
-
Step 800
800
#773D1F
oklch(42.8% 0.092 46.3)
-
Step 900
900 (this color)
#5C311B
oklch(36.4% 0.071 46.7)
-
Step 950
950
#381F13
oklch(26.9% 0.044 46)
#5C311B 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) | #3D3619 | 0.062 |
| Deuteranopia (no green cones) | #47401B | 0.058 |
| Tritanopia (no blue cones) | #65292C | 0.040 |
| Achromatopsia (no color) | #3C3C3C | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C311B
#5C311B
oklch(36.4% 0.071 46.7)
- #00455A
#00455A
oklch(36.4% 0.07 226.2)
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 #5C311B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.051
- Purple Brown #673A3F ΔE 0.057
- Reddy Brown #6E1005 ΔE 0.065
- Mud Brown #60460F ΔE 0.066
- Charcoal Grey #3C4142 ΔE 0.078
- Blood #770001 ΔE 0.082
- Claret #680018 ΔE 0.084
- Onyx #343A40 ΔE 0.086
Use #5C311B 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.