#57210D
Closest named color: Reddy Brown (#6E1005). oklch(32.5% 0.086 39.7), rgb(87, 33, 13).
Aa
White text reads best on this color (12.89:1).
About this color
#57210D is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.086 and its hue 40°. 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 12.89:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.086) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.62:1 |
| White text | 12.89:1 |
Values
| HEX | #57210D |
| RGB | rgb(87, 33, 13) |
| HSL | hsl(16, 74%, 20%) |
| OKLCH | oklch(32.5% 0.086 39.7) |
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 #57210D | 12.89:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #57210D | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #57210D text on white | 12.89:1 | AAA | Lc 98.5 | Preferred for body text |
| #57210D text on black | 1.62:1 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#EFD2C8
oklch(88.5% 0.035 40)
-
Step 300
300
#E6B3A2
oklch(80.9% 0.064 39.2)
-
Step 400
400
#D88A6F
oklch(70.8% 0.104 39.8)
-
Step 500
500
#CB6A49
oklch(63% 0.132 39.3)
-
Step 600
600
#B6502A
oklch(55.6% 0.142 39.9)
-
Step 700
700
#9D401D
oklch(49.2% 0.133 39.7)
-
Step 800
800
#7F351A
oklch(42.6% 0.11 39.6)
-
Step 900
900 (this color)
#57210D
oklch(32.5% 0.086 39.7)
-
Step 950
950
#3C1C11
oklch(26.9% 0.054 39.5)
#57210D 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) | #302A0A | 0.084 |
| Deuteranopia (no green cones) | #3D360B | 0.077 |
| Tritanopia (no blue cones) | #60151D | 0.039 |
| Achromatopsia (no color) | #323232 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57210D
#57210D
oklch(32.5% 0.086 39.7)
- #003B49
#003B49
oklch(32.6% 0.059 219.7)
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 #57210D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.052
- Chocolate Brown #411900 ΔE 0.058
- Claret #680018 ΔE 0.060
- Burgundy #610023 ΔE 0.068
- Chestnut #742802 ΔE 0.068
- Mahogany #4A0100 ΔE 0.071
- Blood #770001 ΔE 0.072
- Dark Brown #341C02 ΔE 0.083
Use #57210D 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.