#8A3703
Closest named color: Rust Brown (#8B3103). oklch(44.6% 0.126 44.9), rgb(138, 55, 3).
Aa
White text reads best on this color (7.98:1).
About this color
#8A3703 is a dark, moderately saturated brown. In OKLCH its lightness is 45%, its chroma 0.126 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.012 away. White text reads best on it, at 7.98:1.
| Hue family | Browns |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.126) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.62:1 |
| White text | 7.98:1 |
Values
| HEX | #8A3703 |
| RGB | rgb(138, 55, 3) |
| HSL | hsl(23, 96%, 28%) |
| OKLCH | oklch(44.6% 0.126 44.9) |
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 #8A3703 | 7.98:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #8A3703 | 2.62:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #8A3703 text on white | 7.98:1 | AAA | Lc 86.9 | Fine for body text |
| #8A3703 text on black | 2.62:1 | Fails | Lc -15.2 | 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
#FCF4F0
oklch(97.2% 0.01 48.6)
-
Step 100
100
#F7E6DE
oklch(93.6% 0.022 47)
-
Step 200
200
#F1D1C3
oklch(88.4% 0.041 45)
-
Step 300
300
#EAB29A
oklch(80.9% 0.074 44.3)
-
Step 400
400
#DD8861
oklch(70.8% 0.117 45)
-
Step 500
500
#D16731
oklch(63.1% 0.15 45.2)
-
Step 600
600
#BB4C00
oklch(55.6% 0.159 44.9)
-
Step 700
700
#9E3F00
oklch(49.1% 0.14 44.9)
-
Step 800
800 (this color)
#8A3703
oklch(44.6% 0.126 44.9)
-
Step 900
900
#6A2D0B
oklch(37.7% 0.098 45.4)
-
Step 950
950
#3F1B09
oklch(27.1% 0.063 45.1)
#8A3703 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) | #4F4500 | 0.118 |
| Deuteranopia (no green cones) | #635800 | 0.108 |
| Tritanopia (no blue cones) | #98222F | 0.065 |
| Achromatopsia (no color) | #515151 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8A3703
#8A3703
oklch(44.6% 0.126 44.9)
- #005D77
#005D77
oklch(44.5% 0.084 225.2)
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 #8A3703, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.012
- Red Brown #8B2E16 ΔE 0.024
- Brown Red #922B05 ΔE 0.026
- Saddle Brown #8B4513 ΔE 0.031
- Russet #A13905 ΔE 0.048
- Burnt Red #9F2305 ΔE 0.050
- Brick #A03623 ΔE 0.052
- Milk Chocolate #7F4E1E ΔE 0.053
Use #8A3703 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.