#8C310F
Closest named color: Rust Brown (#8B3103). oklch(44.1% 0.131 38.6), rgb(140, 49, 15).
Aa
White text reads best on this color (8.19:1).
About this color
#8C310F is a dark, moderately saturated red. In OKLCH its lightness is 44%, its chroma 0.131 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.007 away. White text reads best on it, at 8.19:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.131) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.56:1 |
| White text | 8.19:1 |
Values
| HEX | #8C310F |
| RGB | rgb(140, 49, 15) |
| HSL | hsl(16, 81%, 30%) |
| OKLCH | oklch(44.1% 0.131 38.6) |
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 #8C310F | 8.19:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #8C310F | 2.56:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #8C310F text on white | 8.19:1 | AAA | Lc 87.5 | Fine for body text |
| #8C310F text on black | 2.56:1 | Fails | Lc -14.7 | 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F8E5DF
oklch(93.5% 0.022 38.3)
-
Step 200
200
#F3D0C5
oklch(88.4% 0.042 38.2)
-
Step 300
300
#EDB09D
oklch(80.9% 0.077 38)
-
Step 400
400
#E18466
oklch(70.7% 0.123 38.6)
-
Step 500
500
#D6613A
oklch(63% 0.157 38.6)
-
Step 600
600
#C14412
oklch(55.6% 0.17 38.8)
-
Step 700
700
#A73400
oklch(49.2% 0.159 38.6)
-
Step 800
800 (this color)
#8C310F
oklch(44.1% 0.131 38.6)
-
Step 900
900
#6D2912
oklch(37.6% 0.103 38.4)
-
Step 950
950
#40190C
oklch(26.9% 0.065 38.7)
#8C310F 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) | #4B4208 | 0.132 |
| Deuteranopia (no green cones) | #625709 | 0.120 |
| Tritanopia (no blue cones) | #9B172B | 0.058 |
| Achromatopsia (no color) | #4F4F4F | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8C310F
#8C310F
oklch(44.1% 0.131 38.6)
- #005D70
#005D70
oklch(44.2% 0.079 218)
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 #8C310F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.007
- Red Brown #8B2E16 ΔE 0.009
- Brown Red #922B05 ΔE 0.014
- Burnt Red #9F2305 ΔE 0.040
- Brick Red #8F1402 ΔE 0.041
- Saddle Brown #8B4513 ΔE 0.043
- Auburn #9B2226 ΔE 0.045
- Brick #A03623 ΔE 0.047
Use #8C310F 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.