#5B321D
Closest named color: Chestnut (#742802). oklch(36.4% 0.068 46.9), rgb(91, 50, 29).
Aa
White text reads best on this color (10.94:1).
About this color
#5B321D is a dark, muted brown. In OKLCH its lightness is 36%, its chroma 0.068 and its hue 47°. 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 10.94:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | muted (0.068) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.91:1 |
| White text | 10.94:1 |
Values
| HEX | #5B321D |
| RGB | rgb(91, 50, 29) |
| HSL | hsl(20, 52%, 24%) |
| OKLCH | oklch(36.4% 0.068 46.9) |
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 #5B321D | 10.94:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #5B321D | 1.91:1 | Fails | Lc 8.8 | Not readable |
| #5B321D text on white | 10.94:1 | AAA | Lc 95.1 | Preferred for body text |
| #5B321D 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F3E7E2
oklch(93.6% 0.015 44.2)
-
Step 200
200
#EAD4CA
oklch(88.5% 0.028 46.1)
-
Step 300
300
#DDB7A5
oklch(80.8% 0.051 46.8)
-
Step 400
400
#CB9175
oklch(70.6% 0.081 46.7)
-
Step 500
500
#BD7551
oklch(63.2% 0.104 46.8)
-
Step 600
600
#A85C34
oklch(55.6% 0.113 47)
-
Step 700
700
#904B27
oklch(49% 0.105 46.5)
-
Step 800
800
#753E21
oklch(42.7% 0.087 47)
-
Step 900
900 (this color)
#5B321D
oklch(36.4% 0.068 46.9)
-
Step 950
950
#382014
oklch(27.2% 0.043 47)
#5B321D 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) | #3D371B | 0.060 |
| Deuteranopia (no green cones) | #47401D | 0.054 |
| Tritanopia (no blue cones) | #642A2D | 0.040 |
| Achromatopsia (no color) | #3D3D3D | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B321D
#5B321D
oklch(36.4% 0.068 46.9)
- #05455A
#05455A
oklch(36.5% 0.068 227.1)
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 #5B321D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.053
- Purple Brown #673A3F ΔE 0.056
- Mud Brown #60460F ΔE 0.065
- Reddy Brown #6E1005 ΔE 0.068
- Charcoal Grey #3C4142 ΔE 0.075
- Onyx #343A40 ΔE 0.083
- Blood #770001 ΔE 0.085
- Dark Olive #373E02 ΔE 0.086
Use #5B321D 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.