#8B312B
Closest named color: Red Brown (#8B2E16). oklch(44.3% 0.124 27.1), rgb(139, 49, 43).
Aa
White text reads best on this color (8.16:1).
About this color
#8B312B is a dark, moderately saturated red. In OKLCH its lightness is 44%, its chroma 0.124 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Red Brown (#8B2E16), ΔE 0.021 away. White text reads best on it, at 8.16:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.124) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.57:1 |
| White text | 8.16:1 |
Values
| HEX | #8B312B |
| RGB | rgb(139, 49, 43) |
| HSL | hsl(4, 53%, 36%) |
| OKLCH | oklch(44.3% 0.124 27.1) |
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 #8B312B | 8.16:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #8B312B | 2.57:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #8B312B text on white | 8.16:1 | AAA | Lc 87.5 | Fine for body text |
| #8B312B text on black | 2.57:1 | 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
#F8E5E2
oklch(93.6% 0.021 28.3)
-
Step 200
200
#F3D0CB
oklch(88.6% 0.04 27.5)
-
Step 300
300
#ECAFA7
oklch(80.8% 0.073 27.2)
-
Step 400
400
#E08379
oklch(70.7% 0.116 26.9)
-
Step 500
500
#D46056
oklch(63% 0.149 27.1)
-
Step 600
600
#BF433B
oklch(55.5% 0.161 27.3)
-
Step 700
700
#A5342E
oklch(49.2% 0.15 27.1)
-
Step 800
800 (this color)
#8B312B
oklch(44.3% 0.124 27.1)
-
Step 900
900
#6C2924
oklch(37.7% 0.097 27)
-
Step 950
950
#3F1915
oklch(26.9% 0.06 27.9)
#8B312B 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) | #49432A | 0.131 |
| Deuteranopia (no green cones) | #605628 | 0.119 |
| Tritanopia (no blue cones) | #991C30 | 0.041 |
| Achromatopsia (no color) | #4F4F4F | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8B312B
#8B312B
oklch(44.3% 0.124 27.1)
- #005F69
#005F69
oklch(44.4% 0.076 207.3)
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 #8B312B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Brown #8B2E16 ΔE 0.021
- Brown Red #922B05 ΔE 0.031
- Rust Brown #8B3103 ΔE 0.033
- Auburn #9B2226 ΔE 0.035
- Brick Red #8F1402 ΔE 0.044
- Burnt Red #9F2305 ΔE 0.046
- Brick #A03623 ΔE 0.048
- Brown #A52A2A ΔE 0.052
Use #8B312B 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.