#813531
Closest named color: Red Brown (#8B2E16). oklch(43.3% 0.106 25.5), rgb(129, 53, 49).
Aa
White text reads best on this color (8.44:1).
About this color
#813531 is a dark, moderately saturated red. In OKLCH its lightness is 43%, its chroma 0.106 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Red Brown (#8B2E16), ΔE 0.032 away. White text reads best on it, at 8.44:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.48:1 |
| White text | 8.44:1 |
Values
| HEX | #813531 |
| RGB | rgb(129, 53, 49) |
| HSL | hsl(3, 45%, 35%) |
| OKLCH | oklch(43.3% 0.106 25.5) |
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 #813531 | 8.44:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #813531 | 2.48:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #813531 text on white | 8.44:1 | AAA | Lc 88.5 | Fine for body text |
| #813531 text on black | 2.48:1 | Fails | Lc -13.7 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F6E6E4
oklch(93.7% 0.018 26.1)
-
Step 200
200
#EFD1CE
oklch(88.5% 0.034 24.6)
-
Step 300
300
#E6B2AC
oklch(80.9% 0.062 26.1)
-
Step 400
400
#D88881
oklch(70.8% 0.099 25.3)
-
Step 500
500
#CB6861
oklch(63.1% 0.127 25.5)
-
Step 600
600
#B64D48
oklch(55.6% 0.138 25.3)
-
Step 700
700
#9C3D39
oklch(49% 0.128 25.4)
-
Step 800
800 (this color)
#813531
oklch(43.3% 0.106 25.5)
-
Step 900
900
#672E2A
oklch(37.8% 0.083 25.8)
-
Step 950
950
#3C1B19
oklch(26.9% 0.052 24.7)
#813531 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) | #484330 | 0.112 |
| Deuteranopia (no green cones) | #5B532F | 0.103 |
| Tritanopia (no blue cones) | #8D2735 | 0.035 |
| Achromatopsia (no color) | #4D4D4D | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #813531
#813531
oklch(43.3% 0.106 25.5)
- #005C64
#005C64
oklch(43.3% 0.074 205.1)
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 #813531, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Brown #8B2E16 ΔE 0.032
- Rust Brown #8B3103 ΔE 0.042
- Brownish Purple #76424E ΔE 0.047
- Brown Red #922B05 ΔE 0.047
- Purple Brown #673A3F ΔE 0.054
- Auburn #9B2226 ΔE 0.055
- Brick Red #8F1402 ΔE 0.056
- Chestnut #742802 ΔE 0.057
Use #813531 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.