#873A31
Closest named color: Red Brown (#8B2E16). oklch(45% 0.108 28.8), rgb(135, 58, 49).
Aa
White text reads best on this color (7.83:1).
About this color
#873A31 is a medium-dark, moderately saturated red. In OKLCH its lightness is 45%, its chroma 0.108 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Red Brown (#8B2E16), ΔE 0.031 away. White text reads best on it, at 7.83:1.
| Hue family | Reds |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.108) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.67:1 |
| White text | 7.83:1 |
Values
| HEX | #873A31 |
| RGB | rgb(135, 58, 49) |
| HSL | hsl(6, 47%, 36%) |
| OKLCH | oklch(45% 0.108 28.8) |
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 #873A31 | 7.83:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #873A31 | 2.67:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #873A31 text on white | 7.83:1 | AAA | Lc 86.7 | Fine for body text |
| #873A31 text on black | 2.67:1 | Fails | Lc -15.4 | Dividers and decoration only |
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
#F6E6E3
oklch(93.7% 0.018 30.3)
-
Step 200
200
#F0D1CC
oklch(88.5% 0.036 28.7)
-
Step 300
300
#E7B2AA
oklch(81% 0.063 28.4)
-
Step 400
400
#D8887C
oklch(70.7% 0.101 29.1)
-
Step 500
500
#CB685B
oklch(63% 0.128 28.9)
-
Step 600
600
#B74D41
oklch(55.6% 0.14 28.8)
-
Step 700
700
#9D3D33
oklch(49% 0.13 28.7)
-
Step 800
800 (this color)
#873A31
oklch(45% 0.108 28.8)
-
Step 900
900
#672E27
oklch(37.8% 0.084 28.8)
-
Step 950
950
#3D1B17
oklch(27% 0.054 28.1)
#873A31 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) | #4D4830 | 0.113 |
| Deuteranopia (no green cones) | #61582F | 0.103 |
| Tritanopia (no blue cones) | #942C38 | 0.038 |
| Achromatopsia (no color) | #525252 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #873A31
#873A31
oklch(45% 0.108 28.8)
- #00616C
#00616C
oklch(45.1% 0.078 208.2)
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 #873A31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Brown #8B2E16 ΔE 0.031
- Rust Brown #8B3103 ΔE 0.037
- Brown Red #922B05 ΔE 0.041
- Saddle Brown #8B4513 ΔE 0.047
- Brownish Purple #76424E ΔE 0.050
- Auburn #9B2226 ΔE 0.050
- Brick #A03623 ΔE 0.050
- Burnt Red #9F2305 ΔE 0.058
Use #873A31 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.