#813431
Closest named color: Red Brown (#8B2E16). oklch(43.1% 0.107 24.8), rgb(129, 52, 49).
Aa
White text reads best on this color (8.50:1).
About this color
#813431 is a dark, moderately saturated red. In OKLCH its lightness is 43%, its chroma 0.107 and its hue 25°. 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 8.50:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.107) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.46:1 |
| White text | 8.50:1 |
Values
| HEX | #813431 |
| RGB | rgb(129, 52, 49) |
| HSL | hsl(2, 45%, 35%) |
| OKLCH | oklch(43.1% 0.107 24.8) |
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 #813431 | 8.50:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #813431 | 2.46:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #813431 text on white | 8.50:1 | AAA | Lc 88.7 | Fine for body text |
| #813431 text on black | 2.46:1 | Fails | Lc -13.5 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F6E5E4
oklch(93.5% 0.019 21.6)
-
Step 200
200
#F0D1CE
oklch(88.6% 0.035 24.4)
-
Step 300
300
#E7B2AC
oklch(81% 0.063 25.9)
-
Step 400
400
#D88781
oklch(70.6% 0.101 24.5)
-
Step 500
500
#CC6761
oklch(63.1% 0.129 24.9)
-
Step 600
600
#B74C48
oklch(55.6% 0.14 24.8)
-
Step 700
700
#9D3D39
oklch(49.1% 0.129 25.4)
-
Step 800
800 (this color)
#813431
oklch(43.1% 0.107 24.8)
-
Step 900
900
#672D2A
oklch(37.6% 0.084 24.9)
-
Step 950
950
#3D1B19
oklch(27.1% 0.054 24.7)
#813431 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) | #474230 | 0.114 |
| Deuteranopia (no green cones) | #5A532F | 0.106 |
| Tritanopia (no blue cones) | #8D2634 | 0.034 |
| Achromatopsia (no color) | #4D4D4D | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #813431
#813431
oklch(43.1% 0.107 24.8)
- #005B63
#005B63
oklch(43% 0.073 205.2)
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 #813431, 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 0.043
- Brown Red #922B05 ΔE 0.047
- Brownish Purple #76424E ΔE 0.047
- Purple Brown #673A3F ΔE 0.054
- Auburn #9B2226 ΔE 0.054
- Brick Red #8F1402 ΔE 0.055
- Chestnut #742802 ΔE 0.056
Use #813431 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.