#57372E
Closest named color: Purple Brown (#673A3F). oklch(37.2% 0.049 36.4), rgb(87, 55, 46).
Aa
White text reads best on this color (10.54:1).
About this color
#57372E is a dark, muted red. In OKLCH its lightness is 37%, its chroma 0.049 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.043 away. White text reads best on it, at 10.54:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | muted (0.049) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.99:1 |
| White text | 10.54:1 |
Values
| HEX | #57372E |
| RGB | rgb(87, 55, 46) |
| HSL | hsl(13, 31%, 26%) |
| OKLCH | oklch(37.2% 0.049 36.4) |
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 #57372E | 10.54:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #57372E | 1.99:1 | Fails | Lc 9.6 | Not readable |
| #57372E text on white | 10.54:1 | AAA | Lc 94.4 | Preferred for body text |
| #57372E text on black | 1.99:1 | 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
#F1E8E5
oklch(93.7% 0.011 39.4)
-
Step 200
200
#E6D5D0
oklch(88.5% 0.02 37)
-
Step 300
300
#D7B9B0
oklch(80.9% 0.037 37.3)
-
Step 400
400
#C29487
oklch(70.7% 0.059 36.4)
-
Step 500
500
#B2796A
oklch(63.1% 0.076 35.4)
-
Step 600
600
#9D6251
oklch(55.7% 0.082 36.8)
-
Step 700
700
#865142
oklch(49.2% 0.076 36.6)
-
Step 800
800
#6D4236
oklch(42.7% 0.063 36.4)
-
Step 900
900 (this color)
#57372E
oklch(37.2% 0.049 36.4)
-
Step 950
950
#34211C
oklch(27% 0.031 35.3)
#57372E 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) | #3F3B2D | 0.046 |
| Deuteranopia (no green cones) | #46422E | 0.044 |
| Tritanopia (no blue cones) | #5E3235 | 0.025 |
| Achromatopsia (no color) | #3F3F3F | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57372E
#57372E
oklch(37.2% 0.049 36.4)
- #1E4751
#1E4751
oklch(37.3% 0.049 216)
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 #57372E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.043
- Charcoal Grey #3C4142 ΔE 0.056
- Onyx #343A40 ΔE 0.066
- Mud Brown #60460F ΔE 0.068
- Chestnut #742802 ΔE 0.069
- Brownish Purple #76424E ΔE 0.084
- Reddy Brown #6E1005 ΔE 0.084
- Dark Olive #373E02 ΔE 0.089
Use #57372E 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.