#873507
Closest named color: Rust Brown (#8B3103). oklch(43.8% 0.124 43.6), rgb(135, 53, 7).
Aa
White text reads best on this color (8.25:1).
About this color
#873507 is a dark, moderately saturated brown. In OKLCH its lightness is 44%, its chroma 0.124 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.010 away. White text reads best on it, at 8.25:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.124) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.54:1 |
| White text | 8.25:1 |
Values
| HEX | #873507 |
| RGB | rgb(135, 53, 7) |
| HSL | hsl(22, 90%, 28%) |
| OKLCH | oklch(43.8% 0.124 43.6) |
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 #873507 | 8.25:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #873507 | 2.54:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #873507 text on white | 8.25:1 | AAA | Lc 87.8 | Fine for body text |
| #873507 text on black | 2.54:1 | Fails | Lc -14.4 | 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
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F7E6DF
oklch(93.7% 0.021 43.9)
-
Step 200
200
#F1D1C4
oklch(88.4% 0.04 43.4)
-
Step 300
300
#E9B29B
oklch(80.8% 0.072 43.8)
-
Step 400
400
#DC8864
oklch(70.7% 0.115 43.7)
-
Step 500
500
#D16736
oklch(63.2% 0.148 43.7)
-
Step 600
600
#BC4B06
oklch(55.6% 0.16 43.7)
-
Step 700
700
#A03D00
oklch(49.1% 0.144 43.5)
-
Step 800
800 (this color)
#873507
oklch(43.8% 0.124 43.6)
-
Step 900
900
#6A2D0F
oklch(37.7% 0.096 43.8)
-
Step 950
950
#3E1B0B
oklch(27% 0.061 43.8)
#873507 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) | #4D4300 | 0.118 |
| Deuteranopia (no green cones) | #615502 | 0.106 |
| Tritanopia (no blue cones) | #95202D | 0.062 |
| Achromatopsia (no color) | #4E4E4E | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #873507
#873507
oklch(43.8% 0.124 43.6)
- #005B73
#005B73
oklch(43.8% 0.082 223.7)
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 #873507, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.010
- Red Brown #8B2E16 ΔE 0.020
- Brown Red #922B05 ΔE 0.026
- Saddle Brown #8B4513 ΔE 0.038
- Brick Red #8F1402 ΔE 0.050
- Burnt Red #9F2305 ΔE 0.052
- Chestnut #742802 ΔE 0.053
- Russet #A13905 ΔE 0.056
Use #873507 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.