#57182B
Closest named color: Burgundy (#610023). oklch(31.8% 0.094 5.8), rgb(87, 24, 43).
Aa
White text reads best on this color (13.36:1).
About this color
#57182B is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.094 and its hue 6°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.033 away. White text reads best on it, at 13.36:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.094) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.57:1 |
| White text | 13.36:1 |
Values
| HEX | #57182B |
| RGB | rgb(87, 24, 43) |
| HSL | hsl(342, 57%, 22%) |
| OKLCH | oklch(31.8% 0.094 5.8) |
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 #57182B | 13.36:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #57182B | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #57182B text on white | 13.36:1 | AAA | Lc 99.1 | Preferred for body text |
| #57182B text on black | 1.57:1 | 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 950.
-
Step 50
50
#FFF2F4
oklch(97.2% 0.014 6.7)
-
Step 100
100
#FEE1E6
oklch(93.5% 0.033 6)
-
Step 200
200
#FEC9D3
oklch(88.5% 0.061 5.8)
-
Step 300
300
#FEA2B6
oklch(80.9% 0.111 5.7)
-
Step 400
400
#F86990
oklch(70.7% 0.178 5.8)
-
Step 500
500
#F02F75
oklch(63.2% 0.228 5.8)
-
Step 600
600
#D30060
oklch(55.7% 0.224 5.7)
-
Step 700
700
#B20050
oklch(49.1% 0.197 5.7)
-
Step 800
800
#930041
oklch(42.6% 0.171 5.6)
-
Step 900
900
#7B0436
oklch(37.7% 0.148 5.6)
-
Step 950
950 (this color)
#57182B
oklch(31.8% 0.094 5.8)
#57182B 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) | #26272B | 0.104 |
| Deuteranopia (no green cones) | #36342A | 0.096 |
| Tritanopia (no blue cones) | #5F0F20 | 0.024 |
| Achromatopsia (no color) | #2F2F2F | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57182B
#57182B
oklch(31.8% 0.094 5.8)
- #003B36
#003B36
oklch(31.7% 0.056 185.6)
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 #57182B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.033
- Claret #680018 ΔE 0.046
- Reddy Brown #6E1005 ΔE 0.067
- Merlot #730039 ΔE 0.067
- Grape Purple #5D1451 ΔE 0.070
- Mahogany #4A0100 ΔE 0.073
- Bordeaux #7B002C ΔE 0.078
- Wine Red #7B0323 ΔE 0.078
Use #57182B 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.