#57251F
Closest named color: Reddy Brown (#6E1005). oklch(33.4% 0.076 28.7), rgb(87, 37, 31).
Aa
White text reads best on this color (12.42:1).
About this color
#57251F is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.076 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.055 away. White text reads best on it, at 12.42:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.076) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.68:1 |
| White text | 12.42:1 |
Values
| HEX | #57251F |
| RGB | rgb(87, 37, 31) |
| HSL | hsl(6, 47%, 23%) |
| OKLCH | oklch(33.4% 0.076 28.7) |
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 #57251F | 12.42:1 | AAA | Lc -101.3 | Preferred for body text |
| Black text on #57251F | 1.68:1 | Fails | Lc 0.0 | Not readable |
| #57251F text on white | 12.42:1 | AAA | Lc 97.9 | Preferred for body text |
| #57251F text on black | 1.68:1 | Fails | Lc 0.0 | 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
#F5E6E4
oklch(93.6% 0.017 26.7)
-
Step 200
200
#EDD2CD
oklch(88.5% 0.031 30.2)
-
Step 300
300
#E3B3AC
oklch(80.8% 0.057 28)
-
Step 400
400
#D38B80
oklch(70.7% 0.09 29)
-
Step 500
500
#C66C60
oklch(63.1% 0.117 28.7)
-
Step 600
600
#B15247
oklch(55.5% 0.126 28.5)
-
Step 700
700
#984238
oklch(49.1% 0.118 28.8)
-
Step 800
800
#7B372F
oklch(42.6% 0.097 28.6)
-
Step 900
900 (this color)
#57251F
oklch(33.4% 0.076 28.7)
-
Step 950
950
#3B1D19
oklch(27.1% 0.048 28.6)
#57251F 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) | #312E1E | 0.079 |
| Deuteranopia (no green cones) | #3E381E | 0.072 |
| Tritanopia (no blue cones) | #601C24 | 0.029 |
| Achromatopsia (no color) | #343434 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57251F
#57251F
oklch(33.4% 0.076 28.7)
- #003E46
#003E46
oklch(33.3% 0.057 209.1)
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 #57251F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.055
- Claret #680018 ΔE 0.059
- Burgundy #610023 ΔE 0.063
- Chestnut #742802 ΔE 0.069
- Chocolate Brown #411900 ΔE 0.070
- Purple Brown #673A3F ΔE 0.074
- Blood #770001 ΔE 0.075
- Mahogany #4A0100 ΔE 0.081
Use #57251F 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.