#813831
Closest named color: Red Brown (#8B2E16). oklch(43.8% 0.103 27.6), rgb(129, 56, 49).
Aa
White text reads best on this color (8.25:1).
About this color
#813831 is a dark, moderately saturated red. In OKLCH its lightness is 44%, its chroma 0.103 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Red Brown (#8B2E16), ΔE 0.033 away. White text reads best on it, at 8.25:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.103) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.54:1 |
| White text | 8.25:1 |
Values
| HEX | #813831 |
| RGB | rgb(129, 56, 49) |
| HSL | hsl(5, 45%, 35%) |
| OKLCH | oklch(43.8% 0.103 27.6) |
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 #813831 | 8.25:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #813831 | 2.54:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #813831 text on white | 8.25:1 | AAA | Lc 88.0 | Fine for body text |
| #813831 text on black | 2.54:1 | Fails | Lc -14.1 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F5E6E3
oklch(93.6% 0.017 31.1)
-
Step 200
200
#EFD1CD
oklch(88.5% 0.034 26.8)
-
Step 300
300
#E5B3AC
oklch(81% 0.059 27.6)
-
Step 400
400
#D6897F
oklch(70.7% 0.096 27.8)
-
Step 500
500
#C96A5F
oklch(63.1% 0.123 27.9)
-
Step 600
600
#B44F46
oklch(55.5% 0.133 27.3)
-
Step 700
700
#9B4037
oklch(49.2% 0.124 28.1)
-
Step 800
800 (this color)
#813831
oklch(43.8% 0.103 27.6)
-
Step 900
900
#652F29
oklch(37.6% 0.079 27.9)
-
Step 950
950
#3C1C18
oklch(27.1% 0.051 28.3)
#813831 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) | #4A4530 | 0.107 |
| Deuteranopia (no green cones) | #5C542F | 0.099 |
| Tritanopia (no blue cones) | #8D2B37 | 0.036 |
| Achromatopsia (no color) | #4E4E4E | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #813831
#813831
oklch(43.8% 0.103 27.6)
- #005D67
#005D67
oklch(43.7% 0.075 207.5)
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 #813831, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Brown #8B2E16 ΔE 0.033
- Rust Brown #8B3103 ΔE 0.041
- Brownish Purple #76424E ΔE 0.045
- Brown Red #922B05 ΔE 0.047
- Purple Brown #673A3F ΔE 0.054
- Saddle Brown #8B4513 ΔE 0.055
- Auburn #9B2226 ΔE 0.057
- Chestnut #742802 ΔE 0.059
Use #813831 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.