#5B330D
Closest named color: Chestnut (#742802). oklch(36.4% 0.076 59.3), rgb(91, 51, 13).
Aa
White text reads best on this color (10.91:1).
About this color
#5B330D is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.076 and its hue 59°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.054 away. White text reads best on it, at 10.91:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.076) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.92:1 |
| White text | 10.91:1 |
Values
| HEX | #5B330D |
| RGB | rgb(91, 51, 13) |
| HSL | hsl(29, 75%, 20%) |
| OKLCH | oklch(36.4% 0.076 59.3) |
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 #5B330D | 10.91:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #5B330D | 1.92:1 | Fails | Lc 8.9 | Not readable |
| #5B330D text on white | 10.91:1 | AAA | Lc 95.0 | Preferred for body text |
| #5B330D 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
#FAF4F0
oklch(97.1% 0.008 56.3)
-
Step 100
100
#F3E8DF
oklch(93.7% 0.017 62)
-
Step 200
200
#EAD5C5
oklch(88.6% 0.032 59.7)
-
Step 300
300
#DDB89C
oklch(80.8% 0.057 59)
-
Step 400
400
#CB9365
oklch(70.7% 0.092 60)
-
Step 500
500
#BD7739
oklch(63.2% 0.117 59.6)
-
Step 600
600
#A85E0D
oklch(55.6% 0.127 59.5)
-
Step 700
700
#8F4D00
oklch(49% 0.116 59.2)
-
Step 800
800
#753F06
oklch(42.6% 0.098 58.8)
-
Step 900
900 (this color)
#5B330D
oklch(36.4% 0.076 59.3)
-
Step 950
950
#38200C
oklch(27% 0.049 58.3)
#5B330D 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) | #3F3707 | 0.057 |
| Deuteranopia (no green cones) | #49400D | 0.050 |
| Tritanopia (no blue cones) | #642A2B | 0.053 |
| Achromatopsia (no color) | #3D3D3D | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B330D
#5B330D
oklch(36.4% 0.076 59.3)
- #0B4362
#0B4362
oklch(36.5% 0.076 239.3)
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 #5B330D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.054
- Mud Brown #60460F ΔE 0.056
- Purple Brown #673A3F ΔE 0.069
- Reddy Brown #6E1005 ΔE 0.074
- Dark Olive #373E02 ΔE 0.076
- Green Brown #544E03 ΔE 0.082
- Charcoal Grey #3C4142 ΔE 0.083
- Blood #770001 ΔE 0.090
Use #5B330D 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.