#81371E
Closest named color: Red Brown (#8B2E16). oklch(43.3% 0.109 38.7), rgb(129, 55, 30).
Aa
White text reads best on this color (8.40:1).
About this color
#81371E is a dark, moderately saturated red. In OKLCH its lightness is 43%, its chroma 0.109 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Red Brown (#8B2E16), ΔE 0.024 away. White text reads best on it, at 8.40:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.109) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.49:1 |
| White text | 8.40:1 |
Values
| HEX | #81371E |
| RGB | rgb(129, 55, 30) |
| HSL | hsl(15, 62%, 31%) |
| OKLCH | oklch(43.3% 0.109 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 #81371E | 8.40:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #81371E | 2.49:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #81371E text on white | 8.40:1 | AAA | Lc 88.4 | Fine for body text |
| #81371E text on black | 2.49:1 | Fails | Lc -13.8 | 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
#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
#E6B3A3
oklch(80.9% 0.064 38.1)
-
Step 400
400
#D78A71
oklch(70.7% 0.101 38.7)
-
Step 500
500
#CB6A4B
oklch(63.1% 0.131 38.4)
-
Step 600
600
#B6502D
oklch(55.6% 0.141 38.9)
-
Step 700
700
#9C4020
oklch(49.1% 0.131 38.8)
-
Step 800
800 (this color)
#81371E
oklch(43.3% 0.109 38.7)
-
Step 900
900
#672F1D
oklch(37.7% 0.086 38.4)
-
Step 950
950
#3C1C12
oklch(26.9% 0.053 38.1)
#81371E 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) | #4B431B | 0.107 |
| Deuteranopia (no green cones) | #5D541C | 0.099 |
| Tritanopia (no blue cones) | #8E2732 | 0.051 |
| Achromatopsia (no color) | #4D4D4D | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81371E
#81371E
oklch(43.3% 0.109 38.7)
- #005A6D
#005A6D
oklch(43.2% 0.078 218.6)
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 #81371E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Brown #8B2E16 ΔE 0.024
- Rust Brown #8B3103 ΔE 0.024
- Brown Red #922B05 ΔE 0.037
- Saddle Brown #8B4513 ΔE 0.044
- Chestnut #742802 ΔE 0.048
- Brick Red #8F1402 ΔE 0.055
- Milk Chocolate #7F4E1E ΔE 0.058
- Auburn #9B2226 ΔE 0.061
Use #81371E 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.