#5B320B
Closest named color: Chestnut (#742802). oklch(36.2% 0.078 58.8), rgb(91, 50, 11).
Aa
White text reads best on this color (11.01:1).
About this color
#5B320B is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.078 and its hue 59°. 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 11.01:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.078) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.90:1 |
| White text | 11.01:1 |
Values
| HEX | #5B320B |
| RGB | rgb(91, 50, 11) |
| HSL | hsl(29, 78%, 20%) |
| OKLCH | oklch(36.2% 0.078 58.8) |
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 #5B320B | 11.01:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #5B320B | 1.90:1 | Fails | Lc 8.7 | Not readable |
| #5B320B text on white | 11.01:1 | AAA | Lc 95.2 | Preferred for body text |
| #5B320B text on black | 1.90:1 | 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
#FAF4F0
oklch(97.1% 0.008 56.3)
-
Step 100
100
#F3E7DF
oklch(93.5% 0.017 56.2)
-
Step 200
200
#EAD5C5
oklch(88.6% 0.032 59.7)
-
Step 300
300
#DEB89C
oklch(80.9% 0.058 58.2)
-
Step 400
400
#CC9265
oklch(70.6% 0.093 58.4)
-
Step 500
500
#BE7637
oklch(63.1% 0.119 59)
-
Step 600
600
#A95D08
oklch(55.6% 0.129 59)
-
Step 700
700
#904D00
oklch(49.1% 0.117 58.7)
-
Step 800
800
#763F03
oklch(42.8% 0.1 58.9)
-
Step 900
900 (this color)
#5B320B
oklch(36.2% 0.078 58.8)
-
Step 950
950
#38200B
oklch(27% 0.049 59.4)
#5B320B 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) | #3E3605 | 0.059 |
| Deuteranopia (no green cones) | #48400B | 0.053 |
| Tritanopia (no blue cones) | #64292A | 0.053 |
| Achromatopsia (no color) | #3C3C3C | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B320B
#5B320B
oklch(36.2% 0.078 58.8)
- #064262
#064262
oklch(36.1% 0.078 239.5)
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 #5B320B, 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 0.059
- Purple Brown #673A3F ΔE 0.071
- Reddy Brown #6E1005 ΔE 0.072
- Dark Olive #373E02 ΔE 0.077
- Green Brown #544E03 ΔE 0.084
- Charcoal Grey #3C4142 ΔE 0.084
- Blood #770001 ΔE 0.088
Use #5B320B 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.