#813B37
Closest named color: Brownish Purple (#76424E). oklch(44.4% 0.098 25.1), rgb(129, 59, 55).
Aa
White text reads best on this color (8.03:1).
About this color
#813B37 is a dark, moderately saturated red. In OKLCH its lightness is 44%, its chroma 0.098 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.038 away. White text reads best on it, at 8.03:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.098) |
| Temperature | warm |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.61:1 |
| White text | 8.03:1 |
Values
| HEX | #813B37 |
| RGB | rgb(129, 59, 55) |
| HSL | hsl(3, 40%, 36%) |
| OKLCH | oklch(44.4% 0.098 25.1) |
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 #813B37 | 8.03:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #813B37 | 2.61:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #813B37 text on white | 8.03:1 | AAA | Lc 87.4 | Fine for body text |
| #813B37 text on black | 2.61:1 | Fails | Lc -14.7 | 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
#FBF4F3
oklch(97.2% 0.008 27.2)
-
Step 100
100
#F5E6E4
oklch(93.6% 0.017 26.7)
-
Step 200
200
#EED2CF
oklch(88.6% 0.032 25.1)
-
Step 300
300
#E3B3AE
oklch(80.9% 0.057 25.3)
-
Step 400
400
#D48A84
oklch(70.7% 0.092 24.7)
-
Step 500
500
#C66B65
oklch(63% 0.117 24.9)
-
Step 600
600
#B2514C
oklch(55.6% 0.128 25)
-
Step 700
700
#98413D
oklch(49% 0.118 25)
-
Step 800
800 (this color)
#813B37
oklch(44.4% 0.098 25.1)
-
Step 900
900
#64302C
oklch(37.7% 0.076 25.8)
-
Step 950
950
#3B1C1A
oklch(26.9% 0.049 24.7)
#813B37 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) | #4C4736 | 0.102 |
| Deuteranopia (no green cones) | #5D5636 | 0.095 |
| Tritanopia (no blue cones) | #8D303A | 0.032 |
| Achromatopsia (no color) | #505050 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #813B37
#813B37
oklch(44.4% 0.098 25.1)
- #005F67
#005F67
oklch(44.3% 0.076 204.8)
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 #813B37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.038
- Red Brown #8B2E16 ΔE 0.040
- Rust Brown #8B3103 ΔE 0.047
- Brown Red #922B05 ΔE 0.053
- Purple Brown #673A3F ΔE 0.054
- Saddle Brown #8B4513 ΔE 0.056
- Auburn #9B2226 ΔE 0.060
- Brick #A03623 ΔE 0.064
Use #813B37 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.