#8F3709
Closest named color: Rust Brown (#8B3103). oklch(45.5% 0.13 42.5), rgb(143, 55, 9).
Aa
White text reads best on this color (7.72:1).
About this color
#8F3709 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 45%, its chroma 0.130 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.016 away. White text reads best on it, at 7.72:1.
| Hue family | Browns |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.130) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.71:1 |
| White text | 7.72:1 |
Values
| HEX | #8F3709 |
| RGB | rgb(143, 55, 9) |
| HSL | hsl(21, 88%, 30%) |
| OKLCH | oklch(45.5% 0.13 42.5) |
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 #8F3709 | 7.72:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #8F3709 | 2.71:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #8F3709 text on white | 7.72:1 | AAA | Lc 86.0 | Fine for body text |
| #8F3709 text on black | 2.71:1 | Fails | Lc -16.0 | 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F8E6DF
oklch(93.7% 0.022 42.6)
-
Step 200
200
#F3D1C4
oklch(88.6% 0.042 42.1)
-
Step 300
300
#ECB19A
oklch(80.9% 0.076 42.3)
-
Step 400
400
#E08661
oklch(70.8% 0.122 42.8)
-
Step 500
500
#D46432
oklch(63.1% 0.155 42.8)
-
Step 600
600
#BF4800
oklch(55.7% 0.166 42.5)
-
Step 700
700
#A13B00
oklch(49% 0.147 42.3)
-
Step 800
800 (this color)
#8F3709
oklch(45.5% 0.13 42.5)
-
Step 900
900
#6C2B0C
oklch(37.7% 0.101 42.7)
-
Step 950
950
#401A0A
oklch(27.1% 0.065 42.1)
#8F3709 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) | #514600 | 0.125 |
| Deuteranopia (no green cones) | #665A03 | 0.113 |
| Tritanopia (no blue cones) | #9E202F | 0.063 |
| Achromatopsia (no color) | #535353 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8F3709
#8F3709
oklch(45.5% 0.13 42.5)
- #006078
#006078
oklch(45.4% 0.084 222.6)
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 #8F3709, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.016
- Brown Red #922B05 ΔE 0.022
- Red Brown #8B2E16 ΔE 0.025
- Saddle Brown #8B4513 ΔE 0.030
- Russet #A13905 ΔE 0.038
- Brick #A03623 ΔE 0.041
- Burnt Red #9F2305 ΔE 0.041
- Burnt Umber #A0450E ΔE 0.049
Use #8F3709 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.