#8B3521
Closest named color: Red Brown (#8B2E16). oklch(44.7% 0.122 34.5), rgb(139, 53, 33).
Aa
White text reads best on this color (7.98:1).
About this color
#8B3521 is a dark, moderately saturated red. In OKLCH its lightness is 45%, its chroma 0.122 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Red Brown (#8B2E16), ΔE 0.014 away. White text reads best on it, at 7.98:1.
| Hue family | Reds |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.122) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.62:1 |
| White text | 7.98:1 |
Values
| HEX | #8B3521 |
| RGB | rgb(139, 53, 33) |
| HSL | hsl(11, 62%, 34%) |
| OKLCH | oklch(44.7% 0.122 34.5) |
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 #8B3521 | 7.98:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #8B3521 | 2.62:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #8B3521 text on white | 7.98:1 | AAA | Lc 87.0 | Fine for body text |
| #8B3521 text on black | 2.62:1 | Fails | Lc -15.1 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F7E5E1
oklch(93.5% 0.021 32.5)
-
Step 200
200
#F2D0C8
oklch(88.4% 0.04 33.4)
-
Step 300
300
#EBB1A2
oklch(81% 0.071 35)
-
Step 400
400
#DE8570
oklch(70.6% 0.114 34.1)
-
Step 500
500
#D2644A
oklch(63.1% 0.145 34.6)
-
Step 600
600
#BE472B
oklch(55.6% 0.159 34.6)
-
Step 700
700
#A3381E
oklch(49.1% 0.147 34.7)
-
Step 800
800 (this color)
#8B3521
oklch(44.7% 0.122 34.5)
-
Step 900
900
#6B2B1C
oklch(37.7% 0.095 34.5)
-
Step 950
950
#3F1A11
oklch(27% 0.06 34.9)
#8B3521 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) | #4D451E | 0.124 |
| Deuteranopia (no green cones) | #62581E | 0.114 |
| Tritanopia (no blue cones) | #992131 | 0.049 |
| Achromatopsia (no color) | #515151 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8B3521
#8B3521
oklch(44.7% 0.122 34.5)
- #005F6F
#005F6F
oklch(44.7% 0.079 214.3)
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 #8B3521, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Brown #8B2E16 ΔE 0.014
- Rust Brown #8B3103 ΔE 0.020
- Brown Red #922B05 ΔE 0.023
- Saddle Brown #8B4513 ΔE 0.042
- Auburn #9B2226 ΔE 0.043
- Brick #A03623 ΔE 0.044
- Burnt Red #9F2305 ΔE 0.044
- Brick Red #8F1402 ΔE 0.048
Use #8B3521 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.