#5B3312
Closest named color: Chestnut (#742802). oklch(36.5% 0.074 56.7), rgb(91, 51, 18).
Aa
White text reads best on this color (10.89:1).
About this color
#5B3312 is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.074 and its hue 57°. 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 10.89:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.074) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.92:1 |
| White text | 10.89:1 |
Values
| HEX | #5B3312 |
| RGB | rgb(91, 51, 18) |
| HSL | hsl(27, 67%, 21%) |
| OKLCH | oklch(36.5% 0.074 56.7) |
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 #5B3312 | 10.89:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #5B3312 | 1.92:1 | Fails | Lc 8.9 | Not readable |
| #5B3312 text on white | 10.89:1 | AAA | Lc 95.0 | Preferred for body text |
| #5B3312 text on black | 1.92:1 | Fails | Lc -7.7 | 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
#F3E7E0
oklch(93.6% 0.016 52.6)
-
Step 200
200
#EAD5C6
oklch(88.6% 0.031 57.9)
-
Step 300
300
#DDB89F
oklch(80.9% 0.055 55.9)
-
Step 400
400
#CB9269
oklch(70.6% 0.089 56.5)
-
Step 500
500
#BC7640
oklch(63% 0.112 56.5)
-
Step 600
600
#A85E1B
oklch(55.7% 0.123 57.1)
-
Step 700
700
#904D0C
oklch(49.2% 0.114 56.8)
-
Step 800
800
#753F0F
oklch(42.7% 0.095 56.5)
-
Step 900
900 (this color)
#5B3312
oklch(36.5% 0.074 56.7)
-
Step 950
950
#37200E
oklch(26.9% 0.046 57.2)
#5B3312 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) | #3F370E | 0.057 |
| Deuteranopia (no green cones) | #484012 | 0.051 |
| Tritanopia (no blue cones) | #642A2C | 0.051 |
| Achromatopsia (no color) | #3D3D3D | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B3312
#5B3312
oklch(36.5% 0.074 56.7)
- #0A4360
#0A4360
oklch(36.4% 0.074 237.3)
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 #5B3312, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.053
- Mud Brown #60460F ΔE 0.057
- Purple Brown #673A3F ΔE 0.066
- Reddy Brown #6E1005 ΔE 0.072
- Dark Olive #373E02 ΔE 0.078
- Charcoal Grey #3C4142 ΔE 0.080
- Green Brown #544E03 ΔE 0.084
- Blood #770001 ΔE 0.089
Use #5B3312 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.