#82370B
Closest named color: Rust Brown (#8B3103). oklch(43.3% 0.116 45.4), rgb(130, 55, 11).
Aa
White text reads best on this color (8.39:1).
About this color
#82370B is a dark, moderately saturated brown. In OKLCH its lightness is 43%, its chroma 0.116 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.020 away. White text reads best on it, at 8.39:1.
| Hue family | Browns |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.116) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.50:1 |
| White text | 8.39:1 |
Values
| HEX | #82370B |
| RGB | rgb(130, 55, 11) |
| HSL | hsl(22, 84%, 28%) |
| OKLCH | oklch(43.3% 0.116 45.4) |
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 #82370B | 8.39:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #82370B | 2.50:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #82370B text on white | 8.39:1 | AAA | Lc 88.3 | Fine for body text |
| #82370B text on black | 2.50:1 | Fails | Lc -13.9 | 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
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F6E6DF
oklch(93.6% 0.02 45.3)
-
Step 200
200
#EFD2C5
oklch(88.4% 0.037 45.6)
-
Step 300
300
#E7B49D
oklch(81% 0.068 45.5)
-
Step 400
400
#D88A66
oklch(70.6% 0.108 45.3)
-
Step 500
500
#CC6B3A
oklch(63.1% 0.138 45.7)
-
Step 600
600
#B75011
oklch(55.6% 0.15 45.7)
-
Step 700
700
#9E4000
oklch(49.2% 0.14 45.4)
-
Step 800
800 (this color)
#82370B
oklch(43.3% 0.116 45.4)
-
Step 900
900
#672F12
oklch(37.6% 0.09 45.3)
-
Step 950
950
#3D1C0C
oklch(27% 0.058 45.1)
#82370B 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) | #4D4303 | 0.107 |
| Deuteranopia (no green cones) | #5F5407 | 0.098 |
| Tritanopia (no blue cones) | #8F252F | 0.061 |
| Achromatopsia (no color) | #4D4D4D | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #82370B
#82370B
oklch(43.3% 0.116 45.4)
- #005973
#005973
oklch(43.2% 0.083 226.1)
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 #82370B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.020
- Red Brown #8B2E16 ΔE 0.027
- Brown Red #922B05 ΔE 0.036
- Saddle Brown #8B4513 ΔE 0.039
- Chestnut #742802 ΔE 0.048
- Milk Chocolate #7F4E1E ΔE 0.054
- Brick Red #8F1402 ΔE 0.056
- Burnt Red #9F2305 ΔE 0.062
Use #82370B 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.