#57211B
Closest named color: Reddy Brown (#6E1005). oklch(32.7% 0.082 28.7), rgb(87, 33, 27).
Aa
White text reads best on this color (12.81:1).
About this color
#57211B is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.082 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.052 away. White text reads best on it, at 12.81:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.082) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.63:1 |
| White text | 12.81:1 |
Values
| HEX | #57211B |
| RGB | rgb(87, 33, 27) |
| HSL | hsl(6, 53%, 22%) |
| OKLCH | oklch(32.7% 0.082 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 #57211B | 12.81:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #57211B | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #57211B text on white | 12.81:1 | AAA | Lc 98.4 | Preferred for body text |
| #57211B text on black | 1.63:1 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E6E3
oklch(93.7% 0.018 30.3)
-
Step 200
200
#EFD1CD
oklch(88.5% 0.034 26.8)
-
Step 300
300
#E6B2AA
oklch(80.9% 0.062 28.5)
-
Step 400
400
#D7897E
oklch(70.8% 0.098 28.5)
-
Step 500
500
#CA695D
oklch(63.1% 0.125 28.4)
-
Step 600
600
#B54F43
oklch(55.6% 0.135 28.9)
-
Step 700
700
#9C3F35
oklch(49.2% 0.127 28.6)
-
Step 800
800
#7E342C
oklch(42.6% 0.105 28.5)
-
Step 900
900 (this color)
#57211B
oklch(32.7% 0.082 28.7)
-
Step 950
950
#3C1C18
oklch(27.1% 0.051 28.3)
#57211B 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) | #2F2B1A | 0.085 |
| Deuteranopia (no green cones) | #3C361A | 0.078 |
| Tritanopia (no blue cones) | #601720 | 0.029 |
| Achromatopsia (no color) | #323232 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57211B
#57211B
oklch(32.7% 0.082 28.7)
- #003C44
#003C44
oklch(32.6% 0.056 209.4)
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 #57211B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.052
- Claret #680018 ΔE 0.053
- Burgundy #610023 ΔE 0.057
- Chocolate Brown #411900 ΔE 0.064
- Chestnut #742802 ΔE 0.072
- Blood #770001 ΔE 0.072
- Mahogany #4A0100 ΔE 0.072
- Wine Red #7B0323 ΔE 0.082
Use #57211B 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.