#57282B
Closest named color: Purple Brown (#673A3F). oklch(34.2% 0.07 17.5), rgb(87, 40, 43).
Aa
White text reads best on this color (12.04:1).
About this color
#57282B is a dark, muted red. In OKLCH its lightness is 34%, its chroma 0.070 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.063 away. White text reads best on it, at 12.04:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | muted (0.070) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.74:1 |
| White text | 12.04:1 |
Values
| HEX | #57282B |
| RGB | rgb(87, 40, 43) |
| HSL | hsl(356, 37%, 25%) |
| OKLCH | oklch(34.2% 0.07 17.5) |
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 #57282B | 12.04:1 | AAA | Lc -100.8 | Preferred for body text |
| Black text on #57282B | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #57282B text on white | 12.04:1 | AAA | Lc 97.2 | Preferred for body text |
| #57282B text on black | 1.74:1 | 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
#FAF4F4
oklch(97.2% 0.006 17.3)
-
Step 100
100
#F4E6E6
oklch(93.6% 0.015 17.4)
-
Step 200
200
#ECD2D2
oklch(88.5% 0.029 17.7)
-
Step 300
300
#E0B4B4
oklch(80.9% 0.051 18.3)
-
Step 400
400
#CF8B8D
oklch(70.6% 0.083 17.5)
-
Step 500
500
#C16D71
oklch(63% 0.107 17.5)
-
Step 600
600
#AD545A
oklch(55.7% 0.116 17.4)
-
Step 700
700
#94444A
oklch(49.1% 0.108 17.3)
-
Step 800
800
#78383D
oklch(42.6% 0.09 16.8)
-
Step 900
900 (this color)
#57282B
oklch(34.2% 0.07 17.5)
-
Step 950
950
#391D1E
oklch(26.9% 0.044 18.1)
#57282B 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) | #32302B | 0.075 |
| Deuteranopia (no green cones) | #3E3A2A | 0.069 |
| Tritanopia (no blue cones) | #5F2229 | 0.020 |
| Achromatopsia (no color) | #363636 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57282B
#57282B
oklch(34.2% 0.07 17.5)
- #004243
#004243
oklch(34.4% 0.059 196.5)
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 #57282B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.063
- Claret #680018 ΔE 0.064
- Reddy Brown #6E1005 ΔE 0.064
- Burgundy #610023 ΔE 0.064
- Chestnut #742802 ΔE 0.074
- Onyx #343A40 ΔE 0.079
- Blood #770001 ΔE 0.081
- Charcoal Grey #3C4142 ΔE 0.081
Use #57282B 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.