#83391D
Closest named color: Rust Brown (#8B3103). oklch(43.9% 0.11 40.3), rgb(131, 57, 29).
Aa
White text reads best on this color (8.17:1).
About this color
#83391D is a dark, moderately saturated brown. In OKLCH its lightness is 44%, its chroma 0.110 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.022 away. White text reads best on it, at 8.17:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.110) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.56:1 |
| White text | 8.17:1 |
Values
| HEX | #83391D |
| RGB | rgb(131, 57, 29) |
| HSL | hsl(16, 64%, 31%) |
| OKLCH | oklch(43.9% 0.11 40.3) |
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 #83391D | 8.17:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #83391D | 2.56:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #83391D text on white | 8.17:1 | AAA | Lc 87.7 | Fine for body text |
| #83391D text on black | 2.56:1 | Fails | Lc -14.4 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#EFD2C8
oklch(88.5% 0.035 40)
-
Step 300
300
#E6B3A2
oklch(80.9% 0.064 39.2)
-
Step 400
400
#D78A6F
oklch(70.6% 0.102 40.1)
-
Step 500
500
#CB6B48
oklch(63.2% 0.131 40.4)
-
Step 600
600
#B65029
oklch(55.6% 0.143 40.3)
-
Step 700
700
#9C401B
oklch(49% 0.132 40.5)
-
Step 800
800 (this color)
#83391D
oklch(43.9% 0.11 40.3)
-
Step 900
900
#672F1B
oklch(37.7% 0.087 39.8)
-
Step 950
950
#3C1C11
oklch(26.9% 0.054 39.5)
#83391D 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) | #4D451A | 0.107 |
| Deuteranopia (no green cones) | #60551B | 0.096 |
| Tritanopia (no blue cones) | #902933 | 0.052 |
| Achromatopsia (no color) | #4F4F4F | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #83391D
#83391D
oklch(43.9% 0.11 40.3)
- #005C71
#005C71
oklch(43.9% 0.08 220.4)
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 #83391D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.022
- Red Brown #8B2E16 ΔE 0.024
- Brown Red #922B05 ΔE 0.035
- Saddle Brown #8B4513 ΔE 0.038
- Milk Chocolate #7F4E1E ΔE 0.052
- Chestnut #742802 ΔE 0.054
- Brick Red #8F1402 ΔE 0.057
- Brick #A03623 ΔE 0.059
Use #83391D 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.