#57372A
Closest named color: Purple Brown (#673A3F). oklch(37.1% 0.051 42.9), rgb(87, 55, 42).
Aa
White text reads best on this color (10.57:1).
About this color
#57372A is a dark, muted brown. In OKLCH its lightness is 37%, its chroma 0.051 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.047 away. White text reads best on it, at 10.57:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | muted (0.051) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.98:1 |
| White text | 10.57:1 |
Values
| HEX | #57372A |
| RGB | rgb(87, 55, 42) |
| HSL | hsl(17, 35%, 25%) |
| OKLCH | oklch(37.1% 0.051 42.9) |
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 #57372A | 10.57:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #57372A | 1.98:1 | Fails | Lc 9.5 | Not readable |
| #57372A text on white | 10.57:1 | AAA | Lc 94.4 | Preferred for body text |
| #57372A text on black | 1.98:1 | Fails | Lc -8.2 | 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
#F9F4F3
oklch(97.1% 0.006 31.1)
-
Step 100
100
#F1E8E4
oklch(93.7% 0.011 45.7)
-
Step 200
200
#E6D5CE
oklch(88.5% 0.021 43.8)
-
Step 300
300
#D7B9AD
oklch(80.8% 0.038 43)
-
Step 400
400
#C29582
oklch(70.7% 0.061 44)
-
Step 500
500
#B27A63
oklch(63.1% 0.078 43.2)
-
Step 600
600
#9D624A
oklch(55.5% 0.085 42.8)
-
Step 700
700
#86513B
oklch(49% 0.079 43.1)
-
Step 800
800
#6D4331
oklch(42.8% 0.065 43.8)
-
Step 900
900 (this color)
#57372A
oklch(37.1% 0.051 42.9)
-
Step 950
950
#34211A
oklch(27% 0.032 41)
#57372A 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) | #3F3B29 | 0.046 |
| Deuteranopia (no green cones) | #47412A | 0.041 |
| Tritanopia (no blue cones) | #5E3234 | 0.028 |
| Achromatopsia (no color) | #3F3F3F | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57372A
#57372A
oklch(37.1% 0.051 42.9)
- #1D4654
#1D4654
oklch(37.1% 0.051 223.3)
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 #57372A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.047
- Charcoal Grey #3C4142 ΔE 0.058
- Mud Brown #60460F ΔE 0.064
- Chestnut #742802 ΔE 0.066
- Onyx #343A40 ΔE 0.068
- Reddy Brown #6E1005 ΔE 0.083
- Dark Olive #373E02 ΔE 0.084
- Brownish Purple #76424E ΔE 0.087
Use #57372A 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.