#8B2537
Closest named color: Red Wine (#8C0034). oklch(43.1% 0.136 15.1), rgb(139, 37, 55).
Aa
White text reads best on this color (8.68:1).
About this color
#8B2537 is a dark, moderately saturated red. In OKLCH its lightness is 43%, its chroma 0.136 and its hue 15°. Its hue sits on the warm side of the wheel. The nearest named color is Red Wine (#8C0034), ΔE 0.037 away. White text reads best on it, at 8.68:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.136) |
| Temperature | warm |
| Nearest name | Red Wine (#8C0034) |
| Black text | 2.41:1 |
| White text | 8.68:1 |
Values
| HEX | #8B2537 |
| RGB | rgb(139, 37, 55) |
| HSL | hsl(349, 58%, 35%) |
| OKLCH | oklch(43.1% 0.136 15.1) |
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 #8B2537 | 8.68:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #8B2537 | 2.41:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #8B2537 text on white | 8.68:1 | AAA | Lc 88.7 | Fine for body text |
| #8B2537 text on black | 2.41:1 | Fails | Lc -13.5 | 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 800.
-
Step 50
50
#FDF3F3
oklch(97.2% 0.011 17.3)
-
Step 100
100
#F9E4E5
oklch(93.6% 0.023 14.3)
-
Step 200
200
#F5CED0
oklch(88.5% 0.044 14.5)
-
Step 300
300
#F0ACB0
oklch(81% 0.08 15.1)
-
Step 400
400
#E47D87
oklch(70.6% 0.127 14.7)
-
Step 500
500
#DA5869
oklch(63.2% 0.163 15.2)
-
Step 600
600
#C53751
oklch(55.6% 0.178 14.8)
-
Step 700
700
#AA2841
oklch(49.2% 0.165 15.3)
-
Step 800
800 (this color)
#8B2537
oklch(43.1% 0.136 15.1)
-
Step 900
900
#6F242F
oklch(37.8% 0.106 15.1)
-
Step 950
950
#41161C
oklch(27% 0.067 14.3)
#8B2537 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) | #403E37 | 0.151 |
| Deuteranopia (no green cones) | #5A5334 | 0.138 |
| Tritanopia (no blue cones) | #98092C | 0.033 |
| Achromatopsia (no color) | #4B4B4B | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8B2537
#8B2537
oklch(43.1% 0.136 15.1)
- #005C5D
#005C5D
oklch(43% 0.073 196.1)
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 #8B2537, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Wine #8C0034 ΔE 0.037
- Auburn #9B2226 ΔE 0.039
- Cranberry #9E003A ΔE 0.046
- Red Brown #8B2E16 ΔE 0.047
- Brick Red #8F1402 ΔE 0.049
- Berry #990F4B ΔE 0.050
- Carmine #9D0216 ΔE 0.050
- Purple Red #990147 ΔE 0.051
Use #8B2537 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.