#8B371C
Closest named color: Rust Brown (#8B3103). oklch(44.9% 0.121 37.8), rgb(139, 55, 28).
Aa
White text reads best on this color (7.89:1).
About this color
#8B371C is a dark, moderately saturated red. In OKLCH its lightness is 45%, its chroma 0.121 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.017 away. White text reads best on it, at 7.89:1.
| Hue family | Reds |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.121) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.66:1 |
| White text | 7.89:1 |
Values
| HEX | #8B371C |
| RGB | rgb(139, 55, 28) |
| HSL | hsl(15, 66%, 33%) |
| OKLCH | oklch(44.9% 0.121 37.8) |
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 #8B371C | 7.89:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #8B371C | 2.66:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #8B371C text on white | 7.89:1 | AAA | Lc 86.7 | Fine for body text |
| #8B371C text on black | 2.66:1 | Fails | Lc -15.4 | Dividers and decoration only |
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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F7E6E0
oklch(93.7% 0.02 40.5)
-
Step 200
200
#F2D1C7
oklch(88.6% 0.04 37.5)
-
Step 300
300
#EAB1A0
oklch(80.8% 0.071 37.3)
-
Step 400
400
#DD866C
oklch(70.6% 0.114 37.4)
-
Step 500
500
#D16544
oklch(63% 0.145 37.7)
-
Step 600
600
#BD4923
oklch(55.7% 0.158 37.8)
-
Step 700
700
#A23915
oklch(49% 0.147 37.8)
-
Step 800
800 (this color)
#8B371C
oklch(44.9% 0.121 37.8)
-
Step 900
900
#6A2C18
oklch(37.7% 0.094 38.2)
-
Step 950
950
#3E1A0F
oklch(26.8% 0.06 37.7)
#8B371C 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) | #4E4618 | 0.121 |
| Deuteranopia (no green cones) | #635819 | 0.110 |
| Tritanopia (no blue cones) | #992331 | 0.053 |
| Achromatopsia (no color) | #515151 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8B371C
#8B371C
oklch(44.9% 0.121 37.8)
- #005F73
#005F73
oklch(44.8% 0.081 218.7)
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 #8B371C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.017
- Red Brown #8B2E16 ΔE 0.017
- Brown Red #922B05 ΔE 0.024
- Saddle Brown #8B4513 ΔE 0.035
- Brick #A03623 ΔE 0.044
- Burnt Red #9F2305 ΔE 0.045
- Russet #A13905 ΔE 0.047
- Auburn #9B2226 ΔE 0.048
Use #8B371C 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.