#873720
Closest named color: Red Brown (#8B2E16). oklch(44.3% 0.116 36.7), rgb(135, 55, 32).
Aa
White text reads best on this color (8.08:1).
About this color
#873720 is a dark, moderately saturated red. In OKLCH its lightness is 44%, its chroma 0.116 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Red Brown (#8B2E16), ΔE 0.018 away. White text reads best on it, at 8.08:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.116) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.59:1 |
| White text | 8.08:1 |
Values
| HEX | #873720 |
| RGB | rgb(135, 55, 32) |
| HSL | hsl(13, 62%, 33%) |
| OKLCH | oklch(44.3% 0.116 36.7) |
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 #873720 | 8.08:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #873720 | 2.59:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #873720 text on white | 8.08:1 | AAA | Lc 87.4 | Fine for body text |
| #873720 text on black | 2.59:1 | Fails | Lc -14.8 | 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
#FBF3F1
oklch(97% 0.009 34.3)
-
Step 100
100
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#F1D1C8
oklch(88.5% 0.038 36.2)
-
Step 300
300
#E8B2A2
oklch(80.9% 0.067 37.1)
-
Step 400
400
#DB8870
oklch(70.8% 0.108 36.9)
-
Step 500
500
#CF674A
oklch(63.1% 0.139 36.5)
-
Step 600
600
#BA4C2C
oklch(55.7% 0.15 36.8)
-
Step 700
700
#A03C1E
oklch(49.1% 0.14 36.9)
-
Step 800
800 (this color)
#873720
oklch(44.3% 0.116 36.7)
-
Step 900
900
#692D1C
oklch(37.7% 0.091 36.7)
-
Step 950
950
#3E1B11
oklch(27% 0.058 36.8)
#873720 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) | #4D451D | 0.115 |
| Deuteranopia (no green cones) | #61571E | 0.106 |
| Tritanopia (no blue cones) | #952532 | 0.051 |
| Achromatopsia (no color) | #505050 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #873720
#873720
oklch(44.3% 0.116 36.7)
- #005E70
#005E70
oklch(44.4% 0.079 216.8)
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 #873720, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Brown #8B2E16 ΔE 0.018
- Rust Brown #8B3103 ΔE 0.020
- Brown Red #922B05 ΔE 0.029
- Saddle Brown #8B4513 ΔE 0.040
- Brick #A03623 ΔE 0.051
- Auburn #9B2226 ΔE 0.051
- Brick Red #8F1402 ΔE 0.052
- Burnt Red #9F2305 ΔE 0.052
Use #873720 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.