#873729
Closest named color: Red Brown (#8B2E16). oklch(44.4% 0.113 31.9), rgb(135, 55, 41).
Aa
White text reads best on this color (8.05:1).
About this color
#873729 is a dark, moderately saturated red. In OKLCH its lightness is 44%, its chroma 0.113 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Red Brown (#8B2E16), ΔE 0.021 away. White text reads best on it, at 8.05:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.113) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.60:1 |
| White text | 8.05:1 |
Values
| HEX | #873729 |
| RGB | rgb(135, 55, 41) |
| HSL | hsl(9, 53%, 35%) |
| OKLCH | oklch(44.4% 0.113 31.9) |
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 #873729 | 8.05:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #873729 | 2.60:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #873729 text on white | 8.05:1 | AAA | Lc 87.3 | Fine for body text |
| #873729 text on black | 2.60:1 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E6E2
oklch(93.7% 0.018 34.3)
-
Step 200
200
#F0D1CA
oklch(88.5% 0.036 32.8)
-
Step 300
300
#E8B2A6
oklch(81% 0.066 32.8)
-
Step 400
400
#DA8777
oklch(70.6% 0.105 31.6)
-
Step 500
500
#CE6754
oklch(63.2% 0.135 31.9)
-
Step 600
600
#B94B38
oklch(55.5% 0.147 31.9)
-
Step 700
700
#9F3B2A
oklch(49% 0.137 31.9)
-
Step 800
800 (this color)
#873729
oklch(44.4% 0.113 31.9)
-
Step 900
900
#682D22
oklch(37.7% 0.088 32.2)
-
Step 950
950
#3D1B14
oklch(26.9% 0.055 32.9)
#873729 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) | #4C4527 | 0.116 |
| Deuteranopia (no green cones) | #605727 | 0.107 |
| Tritanopia (no blue cones) | #942734 | 0.043 |
| Achromatopsia (no color) | #505050 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #873729
#873729
oklch(44.4% 0.113 31.9)
- #005F6C
#005F6C
oklch(44.5% 0.077 210.9)
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 #873729, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Brown #8B2E16 ΔE 0.021
- Rust Brown #8B3103 ΔE 0.028
- Brown Red #922B05 ΔE 0.033
- Saddle Brown #8B4513 ΔE 0.046
- Auburn #9B2226 ΔE 0.048
- Brick #A03623 ΔE 0.051
- Brick Red #8F1402 ΔE 0.053
- Burnt Red #9F2305 ΔE 0.053
Use #873729 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.