#8B3313
Closest named color: Rust Brown (#8B3103). oklch(44.3% 0.127 38.7), rgb(139, 51, 19).
Aa
White text reads best on this color (8.13:1).
About this color
#8B3313 is a dark, moderately saturated red. In OKLCH its lightness is 44%, its chroma 0.127 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.008 away. White text reads best on it, at 8.13:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.127) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.58:1 |
| White text | 8.13:1 |
Values
| HEX | #8B3313 |
| RGB | rgb(139, 51, 19) |
| HSL | hsl(16, 76%, 31%) |
| OKLCH | oklch(44.3% 0.127 38.7) |
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 #8B3313 | 8.13:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #8B3313 | 2.58:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #8B3313 text on white | 8.13:1 | AAA | Lc 87.4 | Fine for body text |
| #8B3313 text on black | 2.58:1 | Fails | Lc -14.8 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F8E5E0
oklch(93.6% 0.022 35.1)
-
Step 200
200
#F3D1C5
oklch(88.6% 0.042 40.4)
-
Step 300
300
#ECB19E
oklch(81% 0.074 38.6)
-
Step 400
400
#DF8568
oklch(70.6% 0.119 38.6)
-
Step 500
500
#D4633D
oklch(63.1% 0.152 38.8)
-
Step 600
600
#C04618
oklch(55.7% 0.166 38.7)
-
Step 700
700
#A53607
oklch(49.1% 0.154 38.6)
-
Step 800
800 (this color)
#8B3313
oklch(44.3% 0.127 38.7)
-
Step 900
900
#6C2B14
oklch(37.8% 0.099 39.1)
-
Step 950
950
#3F1A0D
oklch(27% 0.062 39.6)
#8B3313 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) | #4C430E | 0.127 |
| Deuteranopia (no green cones) | #62570F | 0.115 |
| Tritanopia (no blue cones) | #991C2D | 0.056 |
| Achromatopsia (no color) | #4F4F4F | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8B3313
#8B3313
oklch(44.3% 0.127 38.7)
- #005D71
#005D71
oklch(44.2% 0.08 219.1)
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 #8B3313, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.008
- Red Brown #8B2E16 ΔE 0.011
- Brown Red #922B05 ΔE 0.017
- Saddle Brown #8B4513 ΔE 0.041
- Burnt Red #9F2305 ΔE 0.042
- Brick Red #8F1402 ΔE 0.044
- Auburn #9B2226 ΔE 0.047
- Brick #A03623 ΔE 0.047
Use #8B3313 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.