#8B3131
Closest named color: Red Brown (#8B2E16). oklch(44.4% 0.123 23.6), rgb(139, 49, 49).
Aa
White text reads best on this color (8.13:1).
About this color
#8B3131 is a dark, moderately saturated red. In OKLCH its lightness is 44%, its chroma 0.123 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Red Brown (#8B2E16), ΔE 0.028 away. White text reads best on it, at 8.13:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.123) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.58:1 |
| White text | 8.13:1 |
Values
| HEX | #8B3131 |
| RGB | rgb(139, 49, 49) |
| HSL | hsl(0, 48%, 37%) |
| OKLCH | oklch(44.4% 0.123 23.6) |
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 #8B3131 | 8.13:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #8B3131 | 2.58:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #8B3131 text on white | 8.13:1 | AAA | Lc 87.4 | Fine for body text |
| #8B3131 text on black | 2.58:1 | Fails | Lc -14.7 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F8E5E3
oklch(93.7% 0.021 24.8)
-
Step 200
200
#F3D0CD
oklch(88.6% 0.04 23.7)
-
Step 300
300
#ECAFAA
oklch(80.9% 0.072 24.1)
-
Step 400
400
#DF837E
oklch(70.7% 0.114 23.7)
-
Step 500
500
#D4605D
oklch(63.2% 0.147 23.7)
-
Step 600
600
#BF4344
oklch(55.6% 0.159 23.4)
-
Step 700
700
#A43335
oklch(49% 0.149 23.5)
-
Step 800
800 (this color)
#8B3131
oklch(44.4% 0.123 23.6)
-
Step 900
900
#6C2928
oklch(37.8% 0.096 23.7)
-
Step 950
950
#3F1918
oklch(27% 0.06 23.4)
#8B3131 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) | #484330 | 0.132 |
| Deuteranopia (no green cones) | #5F572F | 0.122 |
| Tritanopia (no blue cones) | #991E32 | 0.037 |
| Achromatopsia (no color) | #4F4F4F | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8B3131
#8B3131
oklch(44.4% 0.123 23.6)
- #005F66
#005F66
oklch(44.2% 0.075 203.6)
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 #8B3131, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Brown #8B2E16 ΔE 0.028
- Auburn #9B2226 ΔE 0.035
- Brown Red #922B05 ΔE 0.038
- Rust Brown #8B3103 ΔE 0.041
- Brick Red #8F1402 ΔE 0.048
- Brick #A03623 ΔE 0.050
- Burnt Red #9F2305 ΔE 0.050
- Brown #A52A2A ΔE 0.052
Use #8B3131 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.