#863131
Closest named color: Red Brown (#8B2E16). oklch(43.6% 0.117 23.3), rgb(134, 49, 49).
Aa
White text reads best on this color (8.40:1).
About this color
#863131 is a dark, moderately saturated red. In OKLCH its lightness is 44%, its chroma 0.117 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Red Brown (#8B2E16), ΔE 0.030 away. White text reads best on it, at 8.40:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.117) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.49:1 |
| White text | 8.40:1 |
Values
| HEX | #863131 |
| RGB | rgb(134, 49, 49) |
| HSL | hsl(0, 46%, 36%) |
| OKLCH | oklch(43.6% 0.117 23.3) |
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 #863131 | 8.40:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #863131 | 2.49:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #863131 text on white | 8.40:1 | AAA | Lc 88.3 | Fine for body text |
| #863131 text on black | 2.49:1 | Fails | Lc -13.9 | 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
#F7E5E4
oklch(93.6% 0.02 21.4)
-
Step 200
200
#F2D0CD
oklch(88.5% 0.039 23.9)
-
Step 300
300
#EAB0AC
oklch(80.9% 0.068 23.2)
-
Step 400
400
#DD8480
oklch(70.7% 0.11 23)
-
Step 500
500
#D16360
oklch(63.2% 0.14 23.5)
-
Step 600
600
#BC4647
oklch(55.6% 0.153 23)
-
Step 700
700
#A23738
oklch(49.2% 0.142 23.4)
-
Step 800
800 (this color)
#863131
oklch(43.6% 0.117 23.3)
-
Step 900
900
#6A2A2A
oklch(37.7% 0.092 22.5)
-
Step 950
950
#3E1A19
oklch(27% 0.057 23.2)
#863131 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) | #474230 | 0.125 |
| Deuteranopia (no green cones) | #5C542F | 0.115 |
| Tritanopia (no blue cones) | #932032 | 0.035 |
| Achromatopsia (no color) | #4D4D4D | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #863131
#863131
oklch(43.6% 0.117 23.3)
- #005D64
#005D64
oklch(43.6% 0.074 203.7)
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 #863131, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Brown #8B2E16 ΔE 0.030
- Rust Brown #8B3103 ΔE 0.042
- Brown Red #922B05 ΔE 0.042
- Auburn #9B2226 ΔE 0.044
- Brick Red #8F1402 ΔE 0.049
- Brownish Purple #76424E ΔE 0.053
- Burnt Red #9F2305 ΔE 0.058
- Brick #A03623 ΔE 0.059
Use #863131 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.