#5A331F
Closest named color: Purple Brown (#673A3F). oklch(36.5% 0.065 47.1), rgb(90, 51, 31).
Aa
White text reads best on this color (10.89:1).
About this color
#5A331F is a dark, muted brown. In OKLCH its lightness is 37%, its chroma 0.065 and its hue 47°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.055 away. White text reads best on it, at 10.89:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | muted (0.065) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.92:1 |
| White text | 10.89:1 |
Values
| HEX | #5A331F |
| RGB | rgb(90, 51, 31) |
| HSL | hsl(20, 49%, 24%) |
| OKLCH | oklch(36.5% 0.065 47.1) |
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 #5A331F | 10.89:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #5A331F | 1.92:1 | Fails | Lc 8.9 | Not readable |
| #5A331F text on white | 10.89:1 | AAA | Lc 95.0 | Preferred for body text |
| #5A331F 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F2E7E2
oklch(93.5% 0.014 46.2)
-
Step 200
200
#E9D4CA
oklch(88.4% 0.027 47.2)
-
Step 300
300
#DCB8A6
oklch(80.9% 0.049 48.1)
-
Step 400
400
#C99277
oklch(70.7% 0.077 47.2)
-
Step 500
500
#BB7653
oklch(63.1% 0.1 47.3)
-
Step 600
600
#A65E38
oklch(55.7% 0.108 47.3)
-
Step 700
700
#8E4D2A
oklch(49.1% 0.1 47.4)
-
Step 800
800
#733F24
oklch(42.6% 0.083 47)
-
Step 900
900 (this color)
#5A331F
oklch(36.5% 0.065 47.1)
-
Step 950
950
#372014
oklch(27% 0.041 48)
#5A331F 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) | #3E381D | 0.056 |
| Deuteranopia (no green cones) | #47401F | 0.051 |
| Tritanopia (no blue cones) | #622C2E | 0.037 |
| Achromatopsia (no color) | #3D3D3D | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A331F
#5A331F
oklch(36.5% 0.065 47.1)
- #0C4559
#0C4559
oklch(36.6% 0.065 227.2)
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 #5A331F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.055
- Chestnut #742802 ΔE 0.056
- Mud Brown #60460F ΔE 0.064
- Reddy Brown #6E1005 ΔE 0.071
- Charcoal Grey #3C4142 ΔE 0.072
- Onyx #343A40 ΔE 0.080
- Dark Olive #373E02 ΔE 0.084
- Blood #770001 ΔE 0.088
Use #5A331F 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.