#5A321C
Closest named color: Chestnut (#742802). oklch(36.3% 0.067 48.4), rgb(90, 50, 28).
Aa
White text reads best on this color (11.00:1).
About this color
#5A321C is a dark, muted brown. In OKLCH its lightness is 36%, its chroma 0.067 and its hue 48°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.055 away. White text reads best on it, at 11.00:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | muted (0.067) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.90:1 |
| White text | 11.00:1 |
Values
| HEX | #5A321C |
| RGB | rgb(90, 50, 28) |
| HSL | hsl(21, 53%, 23%) |
| OKLCH | oklch(36.3% 0.067 48.4) |
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 #5A321C | 11.00:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #5A321C | 1.90:1 | Fails | Lc 8.7 | Not readable |
| #5A321C text on white | 11.00:1 | AAA | Lc 95.2 | Preferred for body text |
| #5A321C text on black | 1.90:1 | Fails | Lc -7.4 | 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F3E7E2
oklch(93.6% 0.015 44.2)
-
Step 200
200
#EAD4C9
oklch(88.5% 0.029 48.4)
-
Step 300
300
#DDB8A5
oklch(81% 0.05 48.7)
-
Step 400
400
#CB9274
oklch(70.8% 0.081 48.7)
-
Step 500
500
#BC7550
oklch(63% 0.103 47.7)
-
Step 600
600
#A75D33
oklch(55.6% 0.112 48.6)
-
Step 700
700
#8F4C26
oklch(49.1% 0.104 48.2)
-
Step 800
800
#743F21
oklch(42.7% 0.086 48.5)
-
Step 900
900 (this color)
#5A321C
oklch(36.3% 0.067 48.4)
-
Step 950
950
#372013
oklch(27% 0.042 49.7)
#5A321C 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) | #3D371A | 0.058 |
| Deuteranopia (no green cones) | #47401C | 0.053 |
| Tritanopia (no blue cones) | #632A2D | 0.041 |
| Achromatopsia (no color) | #3C3C3C | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A321C
#5A321C
oklch(36.3% 0.067 48.4)
- #08445A
#08445A
oklch(36.3% 0.068 229.2)
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 #5A321C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.055
- Purple Brown #673A3F ΔE 0.058
- Mud Brown #60460F ΔE 0.065
- Reddy Brown #6E1005 ΔE 0.069
- Charcoal Grey #3C4142 ΔE 0.074
- Onyx #343A40 ΔE 0.082
- Dark Olive #373E02 ΔE 0.084
- Blood #770001 ΔE 0.086
Use #5A321C 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.