#873B2B
Closest named color: Red Brown (#8B2E16). oklch(45.1% 0.108 33.4), rgb(135, 59, 43).
Aa
White text reads best on this color (7.80:1).
About this color
#873B2B is a medium-dark, moderately saturated red. In OKLCH its lightness is 45%, its chroma 0.108 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Red Brown (#8B2E16), ΔE 0.028 away. White text reads best on it, at 7.80:1.
| Hue family | Reds |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.108) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.69:1 |
| White text | 7.80:1 |
Values
| HEX | #873B2B |
| RGB | rgb(135, 59, 43) |
| HSL | hsl(10, 52%, 35%) |
| OKLCH | oklch(45.1% 0.108 33.4) |
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 #873B2B | 7.80:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #873B2B | 2.69:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #873B2B text on white | 7.80:1 | AAA | Lc 86.6 | Fine for body text |
| #873B2B text on black | 2.69:1 | Fails | Lc -15.5 | 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
#FBF4F2
oklch(97.2% 0.008 36.6)
-
Step 100
100
#F6E6E2
oklch(93.7% 0.018 34.3)
-
Step 200
200
#EFD1CA
oklch(88.4% 0.035 33.3)
-
Step 300
300
#E6B2A6
oklch(80.8% 0.063 33.3)
-
Step 400
400
#D88977
oklch(70.7% 0.101 33.5)
-
Step 500
500
#CB6954
oklch(63.1% 0.129 33.3)
-
Step 600
600
#B74E38
oklch(55.6% 0.141 33.4)
-
Step 700
700
#9D3E2B
oklch(49.1% 0.131 33.1)
-
Step 800
800 (this color)
#873B2B
oklch(45.1% 0.108 33.4)
-
Step 900
900
#672E22
oklch(37.7% 0.085 33.3)
-
Step 950
950
#3C1C15
oklch(27% 0.052 33.4)
#873B2B 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) | #4F4829 | 0.109 |
| Deuteranopia (no green cones) | #625829 | 0.100 |
| Tritanopia (no blue cones) | #942C37 | 0.044 |
| Achromatopsia (no color) | #525252 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #873B2B
#873B2B
oklch(45.1% 0.108 33.4)
- #006070
#006070
oklch(45% 0.079 214.2)
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 #873B2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Brown #8B2E16 ΔE 0.028
- Rust Brown #8B3103 ΔE 0.031
- Brown Red #922B05 ΔE 0.038
- Saddle Brown #8B4513 ΔE 0.039
- Brick #A03623 ΔE 0.049
- Auburn #9B2226 ΔE 0.053
- Milk Chocolate #7F4E1E ΔE 0.055
- Brownish Purple #76424E ΔE 0.055
Use #873B2B 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.