#8B3303
Closest named color: Rust Brown (#8B3103). oklch(44.2% 0.13 42.4), rgb(139, 51, 3).
Aa
White text reads best on this color (8.16:1).
About this color
#8B3303 is a dark, moderately saturated brown. In OKLCH its lightness is 44%, its chroma 0.130 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.004 away. White text reads best on it, at 8.16:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.130) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.57:1 |
| White text | 8.16:1 |
Values
| HEX | #8B3303 |
| RGB | rgb(139, 51, 3) |
| HSL | hsl(21, 96%, 28%) |
| OKLCH | oklch(44.2% 0.13 42.4) |
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 #8B3303 | 8.16:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #8B3303 | 2.57:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #8B3303 text on white | 8.16:1 | AAA | Lc 87.4 | Fine for body text |
| #8B3303 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F8E5DF
oklch(93.5% 0.022 38.3)
-
Step 200
200
#F3D1C4
oklch(88.6% 0.042 42.1)
-
Step 300
300
#ECB19A
oklch(80.9% 0.076 42.3)
-
Step 400
400
#E08661
oklch(70.8% 0.122 42.8)
-
Step 500
500
#D46332
oklch(63% 0.156 42.3)
-
Step 600
600
#BF4800
oklch(55.7% 0.166 42.5)
-
Step 700
700
#A13B00
oklch(49% 0.147 42.3)
-
Step 800
800 (this color)
#8B3303
oklch(44.2% 0.13 42.4)
-
Step 900
900
#6C2B0C
oklch(37.7% 0.101 42.7)
-
Step 950
950
#401A0A
oklch(27.1% 0.065 42.1)
#8B3303 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) | #4D4300 | 0.126 |
| Deuteranopia (no green cones) | #625700 | 0.115 |
| Tritanopia (no blue cones) | #9A1B2B | 0.062 |
| Achromatopsia (no color) | #4F4F4F | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8B3303
#8B3303
oklch(44.2% 0.13 42.4)
- #005C73
#005C73
oklch(44% 0.082 222.5)
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 #8B3303, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.004
- Red Brown #8B2E16 ΔE 0.017
- Brown Red #922B05 ΔE 0.019
- Saddle Brown #8B4513 ΔE 0.039
- Burnt Red #9F2305 ΔE 0.044
- Brick Red #8F1402 ΔE 0.046
- Russet #A13905 ΔE 0.049
- Brick #A03623 ΔE 0.050
Use #8B3303 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.