#8B3A15
Closest named color: Rust Brown (#8B3103). oklch(45.3% 0.121 42.3), rgb(139, 58, 21).
Aa
White text reads best on this color (7.73:1).
About this color
#8B3A15 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 45%, its chroma 0.121 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.018 away. White text reads best on it, at 7.73:1.
| Hue family | Browns |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.121) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.71:1 |
| White text | 7.73:1 |
Values
| HEX | #8B3A15 |
| RGB | rgb(139, 58, 21) |
| HSL | hsl(19, 74%, 31%) |
| OKLCH | oklch(45.3% 0.121 42.3) |
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 #8B3A15 | 7.73:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #8B3A15 | 2.71:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #8B3A15 text on white | 7.73:1 | AAA | Lc 86.2 | Fine for body text |
| #8B3A15 text on black | 2.71:1 | Fails | Lc -15.8 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F7E6DF
oklch(93.7% 0.021 43.9)
-
Step 200
200
#F1D1C5
oklch(88.4% 0.04 41.7)
-
Step 300
300
#E9B29D
oklch(80.9% 0.071 41.9)
-
Step 400
400
#DC8867
oklch(70.7% 0.113 42.1)
-
Step 500
500
#D0673C
oklch(63.1% 0.145 41.9)
-
Step 600
600
#BB4C15
oklch(55.6% 0.156 42.4)
-
Step 700
700
#A13C03
oklch(49.1% 0.146 42.4)
-
Step 800
800 (this color)
#8B3A15
oklch(45.3% 0.121 42.3)
-
Step 900
900
#692D13
oklch(37.6% 0.094 42.2)
-
Step 950
950
#3E1B0D
oklch(27% 0.06 41.7)
#8B3A15 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) | #51470F | 0.115 |
| Deuteranopia (no green cones) | #655A12 | 0.106 |
| Tritanopia (no blue cones) | #992733 | 0.060 |
| Achromatopsia (no color) | #535353 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8B3A15
#8B3A15
oklch(45.3% 0.121 42.3)
- #006078
#006078
oklch(45.4% 0.084 222.6)
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 #8B3A15, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.018
- Red Brown #8B2E16 ΔE 0.025
- Saddle Brown #8B4513 ΔE 0.026
- Brown Red #922B05 ΔE 0.028
- Russet #A13905 ΔE 0.044
- Brick #A03623 ΔE 0.045
- Burnt Red #9F2305 ΔE 0.049
- Milk Chocolate #7F4E1E ΔE 0.049
Use #8B3A15 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.