#5B2B05
Closest named color: Chestnut (#742802). oklch(34.8% 0.084 52.5), rgb(91, 43, 5).
Aa
White text reads best on this color (11.71:1).
About this color
#5B2B05 is a dark, moderately saturated brown. In OKLCH its lightness is 35%, its chroma 0.084 and its hue 53°. 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 11.71:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.084) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.79:1 |
| White text | 11.71:1 |
Values
| HEX | #5B2B05 |
| RGB | rgb(91, 43, 5) |
| HSL | hsl(27, 90%, 19%) |
| OKLCH | oklch(34.8% 0.084 52.5) |
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 #5B2B05 | 11.71:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #5B2B05 | 1.79:1 | Fails | Lc 7.4 | Not readable |
| #5B2B05 text on white | 11.71:1 | AAA | Lc 96.5 | Preferred for body text |
| #5B2B05 text on black | 1.79:1 | Fails | Lc 0.0 | 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
#F4E7DF
oklch(93.6% 0.018 54)
-
Step 200
200
#EDD3C4
oklch(88.4% 0.036 52)
-
Step 300
300
#E2B69B
oklch(80.9% 0.063 53.1)
-
Step 400
400
#D38E64
oklch(70.7% 0.102 51.8)
-
Step 500
500
#C57036
oklch(63% 0.129 52.3)
-
Step 600
600
#B15704
oklch(55.7% 0.141 52.7)
-
Step 700
700
#964800
oklch(49.2% 0.125 52.6)
-
Step 800
800
#7B3A01
oklch(42.6% 0.108 52.5)
-
Step 900
900 (this color)
#5B2B05
oklch(34.8% 0.084 52.5)
-
Step 950
950
#3A1E0B
oklch(26.9% 0.053 52.6)
#5B2B05 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) | #393100 | 0.072 |
| Deuteranopia (no green cones) | #453C04 | 0.063 |
| Tritanopia (no blue cones) | #652024 | 0.053 |
| Achromatopsia (no color) | #383838 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B2B05
#5B2B05
oklch(34.8% 0.084 52.5)
- #004059
#004059
oklch(34.9% 0.072 232.3)
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 #5B2B05, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.053
- Reddy Brown #6E1005 ΔE 0.059
- Mud Brown #60460F ΔE 0.076
- Blood #770001 ΔE 0.078
- Purple Brown #673A3F ΔE 0.078
- Chocolate Brown #411900 ΔE 0.080
- Claret #680018 ΔE 0.080
- Dark Olive #373E02 ΔE 0.086
Use #5B2B05 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.