#8A381B
Closest named color: Rust Brown (#8B3103). oklch(44.9% 0.12 39), rgb(138, 56, 27).
Aa
White text reads best on this color (7.88:1).
About this color
#8A381B is a dark, moderately saturated red. In OKLCH its lightness is 45%, its chroma 0.120 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.017 away. White text reads best on it, at 7.88:1.
| Hue family | Reds |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.120) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.66:1 |
| White text | 7.88:1 |
Values
| HEX | #8A381B |
| RGB | rgb(138, 56, 27) |
| HSL | hsl(16, 67%, 32%) |
| OKLCH | oklch(44.9% 0.12 39) |
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 #8A381B | 7.88:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #8A381B | 2.66:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #8A381B text on white | 7.88:1 | AAA | Lc 86.7 | Fine for body text |
| #8A381B text on black | 2.66:1 | Fails | Lc -15.4 | 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
#FBF3F1
oklch(97% 0.009 34.3)
-
Step 100
100
#F7E6E0
oklch(93.7% 0.02 40.5)
-
Step 200
200
#F1D1C7
oklch(88.5% 0.039 38.1)
-
Step 300
300
#E9B2A0
oklch(80.9% 0.069 38.9)
-
Step 400
400
#DC876B
oklch(70.6% 0.112 39)
-
Step 500
500
#D06643
oklch(63% 0.143 38.7)
-
Step 600
600
#BB4B21
oklch(55.6% 0.155 39.4)
-
Step 700
700
#A13B13
oklch(49.1% 0.144 39.2)
-
Step 800
800 (this color)
#8A381B
oklch(44.9% 0.12 39)
-
Step 900
900
#6A2D18
oklch(37.8% 0.093 39.1)
-
Step 950
950
#3E1B0F
oklch(27% 0.059 39.4)
#8A381B 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) | #4F4617 | 0.117 |
| Deuteranopia (no green cones) | #635818 | 0.107 |
| Tritanopia (no blue cones) | #982532 | 0.055 |
| Achromatopsia (no color) | #515151 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8A381B
#8A381B
oklch(44.9% 0.12 39)
- #005F73
#005F73
oklch(44.8% 0.081 218.7)
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 #8A381B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.017
- Red Brown #8B2E16 ΔE 0.019
- Brown Red #922B05 ΔE 0.026
- Saddle Brown #8B4513 ΔE 0.033
- Brick #A03623 ΔE 0.046
- Burnt Red #9F2305 ΔE 0.048
- Russet #A13905 ΔE 0.048
- Auburn #9B2226 ΔE 0.051
Use #8A381B 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.