#813B33
Closest named color: Red Brown (#8B2E16). oklch(44.3% 0.099 28.3), rgb(129, 59, 51).
Aa
White text reads best on this color (8.05:1).
About this color
#813B33 is a dark, moderately saturated red. In OKLCH its lightness is 44%, its chroma 0.099 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Red Brown (#8B2E16), ΔE 0.036 away. White text reads best on it, at 8.05:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.099) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.60:1 |
| White text | 8.05:1 |
Values
| HEX | #813B33 |
| RGB | rgb(129, 59, 51) |
| HSL | hsl(6, 43%, 35%) |
| OKLCH | oklch(44.3% 0.099 28.3) |
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 #813B33 | 8.05:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #813B33 | 2.60:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #813B33 text on white | 8.05:1 | AAA | Lc 87.4 | Fine for body text |
| #813B33 text on black | 2.60:1 | 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
#FBF4F2
oklch(97.2% 0.008 36.6)
-
Step 100
100
#F5E6E4
oklch(93.6% 0.017 26.7)
-
Step 200
200
#EED2CD
oklch(88.6% 0.032 29.8)
-
Step 300
300
#E4B3AC
oklch(80.9% 0.058 27.8)
-
Step 400
400
#D48A80
oklch(70.6% 0.093 28)
-
Step 500
500
#C76C60
oklch(63.2% 0.118 28.7)
-
Step 600
600
#B25247
oklch(55.7% 0.127 28.5)
-
Step 700
700
#994238
oklch(49.2% 0.119 28.7)
-
Step 800
800 (this color)
#813B33
oklch(44.3% 0.099 28.3)
-
Step 900
900
#64302A
oklch(37.7% 0.076 28)
-
Step 950
950
#3B1D19
oklch(27.1% 0.048 28.6)
#813B33 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) | #4C4732 | 0.102 |
| Deuteranopia (no green cones) | #5E5632 | 0.094 |
| Tritanopia (no blue cones) | #8D2F39 | 0.035 |
| Achromatopsia (no color) | #505050 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #813B33
#813B33
oklch(44.3% 0.099 28.3)
- #005F69
#005F69
oklch(44.4% 0.076 207.3)
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 #813B33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Brown #8B2E16 ΔE 0.036
- Brownish Purple #76424E ΔE 0.042
- Rust Brown #8B3103 ΔE 0.043
- Brown Red #922B05 ΔE 0.049
- Saddle Brown #8B4513 ΔE 0.052
- Purple Brown #673A3F ΔE 0.055
- Auburn #9B2226 ΔE 0.060
- Milk Chocolate #7F4E1E ΔE 0.061
Use #813B33 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.