#83311F
Closest named color: Red Brown (#8B2E16). oklch(42.8% 0.117 34), rgb(131, 49, 31).
Aa
White text reads best on this color (8.66:1).
About this color
#83311F is a dark, moderately saturated red. In OKLCH its lightness is 43%, its chroma 0.117 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Red Brown (#8B2E16), ΔE 0.017 away. White text reads best on it, at 8.66:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.117) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.42:1 |
| White text | 8.66:1 |
Values
| HEX | #83311F |
| RGB | rgb(131, 49, 31) |
| HSL | hsl(11, 62%, 32%) |
| OKLCH | oklch(42.8% 0.117 34) |
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 #83311F | 8.66:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #83311F | 2.42:1 | Fails | Lc 15.0 | Not readable |
| #83311F text on white | 8.66:1 | AAA | Lc 89.0 | Fine for body text |
| #83311F text on black | 2.42:1 | Fails | Lc -13.2 | 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
#FBF3F1
oklch(97% 0.009 34.3)
-
Step 100
100
#F7E5E1
oklch(93.5% 0.021 32.5)
-
Step 200
200
#F1D1C9
oklch(88.5% 0.038 34.3)
-
Step 300
300
#E9B1A4
oklch(80.8% 0.068 33.4)
-
Step 400
400
#DC8773
oklch(70.8% 0.109 34)
-
Step 500
500
#D0664E
oklch(63.2% 0.14 34)
-
Step 600
600
#BB4A31
oklch(55.6% 0.152 34)
-
Step 700
700
#A13A23
oklch(49.1% 0.142 34.1)
-
Step 800
800 (this color)
#83311F
oklch(42.8% 0.117 34)
-
Step 900
900
#692C1F
oklch(37.6% 0.091 33.5)
-
Step 950
950
#3E1B13
oklch(27.1% 0.057 34.1)
#83311F 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) | #48401D | 0.119 |
| Deuteranopia (no green cones) | #5C521C | 0.109 |
| Tritanopia (no blue cones) | #901E2D | 0.046 |
| Achromatopsia (no color) | #4B4B4B | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #83311F
#83311F
oklch(42.8% 0.117 34)
- #005968
#005968
oklch(42.7% 0.075 214.2)
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 #83311F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Brown #8B2E16 ΔE 0.017
- Rust Brown #8B3103 ΔE 0.025
- Brown Red #922B05 ΔE 0.033
- Brick Red #8F1402 ΔE 0.043
- Chestnut #742802 ΔE 0.044
- Auburn #9B2226 ΔE 0.053
- Saddle Brown #8B4513 ΔE 0.055
- Dark Red #8B0000 ΔE 0.056
Use #83311F 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.