#873506
Closest named color: Rust Brown (#8B3103). oklch(43.8% 0.124 43.8), rgb(135, 53, 6).
Aa
White text reads best on this color (8.26:1).
About this color
#873506 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 8.26:1.
| 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 | 8.26:1 |
Values
| HEX | #873506 |
| RGB | rgb(135, 53, 6) |
| HSL | hsl(22, 91%, 28%) |
| OKLCH | oklch(43.8% 0.124 43.8) |
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 #873506 | 8.26:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #873506 | 2.54:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #873506 text on white | 8.26:1 | AAA | Lc 87.8 | Fine for body text |
| #873506 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
#DC8863
oklch(70.7% 0.115 44.2)
-
Step 500
500
#D16736
oklch(63.2% 0.148 43.7)
-
Step 600
600
#BC4B04
oklch(55.6% 0.16 43.9)
-
Step 700
700
#A03E00
oklch(49.2% 0.143 44)
-
Step 800
800 (this color)
#873506
oklch(43.8% 0.124 43.8)
-
Step 900
900
#6A2D0F
oklch(37.7% 0.096 43.8)
-
Step 950
950
#3E1B0B
oklch(27% 0.061 43.8)
#873506 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 | 0.117 |
| Deuteranopia (no green cones) | #615501 | 0.106 |
| Tritanopia (no blue cones) | #95202D | 0.062 |
| Achromatopsia (no color) | #4E4E4E | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #873506
#873506
oklch(43.8% 0.124 43.8)
- #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 #873506, 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 0.021
- Brown Red #922B05 ΔE 0.027
- Saddle Brown #8B4513 ΔE 0.038
- Brick Red #8F1402 ΔE 0.051
- Burnt Red #9F2305 ΔE 0.052
- Chestnut #742802 ΔE 0.053
- Russet #A13905 ΔE 0.056
Use #873506 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.