#83381E
Closest named color: Rust Brown (#8B3103). oklch(43.8% 0.111 39.1), rgb(131, 56, 30).
Aa
White text reads best on this color (8.23:1).
About this color
#83381E is a dark, moderately saturated red. In OKLCH its lightness is 44%, its chroma 0.111 and its hue 39°. 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 8.23:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.111) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.54:1 |
| White text | 8.23:1 |
Values
| HEX | #83381E |
| RGB | rgb(131, 56, 30) |
| HSL | hsl(15, 63%, 32%) |
| OKLCH | oklch(43.8% 0.111 39.1) |
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 #83381E | 8.23:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #83381E | 2.54:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #83381E text on white | 8.23:1 | AAA | Lc 87.9 | Fine for body text |
| #83381E text on black | 2.54:1 | Fails | Lc -14.3 | 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
#D88A70
oklch(70.8% 0.103 39.2)
-
Step 500
500
#CB6A49
oklch(63% 0.132 39.3)
-
Step 600
600
#B74F2B
oklch(55.6% 0.144 38.9)
-
Step 700
700
#9D3F1E
oklch(49.1% 0.134 38.8)
-
Step 800
800 (this color)
#83381E
oklch(43.8% 0.111 39.1)
-
Step 900
900
#672F1C
oklch(37.7% 0.086 39.1)
-
Step 950
950
#3D1C11
oklch(27.1% 0.055 39)
#83381E 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) | #4D441B | 0.107 |
| Deuteranopia (no green cones) | #5F551C | 0.099 |
| Tritanopia (no blue cones) | #902832 | 0.050 |
| Achromatopsia (no color) | #4F4F4F | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #83381E
#83381E
oklch(43.8% 0.111 39.1)
- #005C6F
#005C6F
oklch(43.8% 0.079 218.2)
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 #83381E, 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 0.023
- Brown Red #922B05 ΔE 0.035
- Saddle Brown #8B4513 ΔE 0.040
- Chestnut #742802 ΔE 0.052
- Milk Chocolate #7F4E1E ΔE 0.055
- Brick Red #8F1402 ΔE 0.055
- Brick #A03623 ΔE 0.059
Use #83381E 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.