#A0501D
Closest named color: Sienna (#A0522D). oklch(52.2% 0.123 49.1), rgb(160, 80, 29).
Aa
White text reads best on this color (5.73:1).
About this color
#A0501D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 52%, its chroma 0.123 and its hue 49°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.013 away. White text reads best on it, at 5.73:1.
| Hue family | Browns |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.123) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.65:1 |
| White text | 5.73:1 |
Values
| HEX | #A0501D |
| RGB | rgb(160, 80, 29) |
| HSL | hsl(23, 69%, 37%) |
| OKLCH | oklch(52.2% 0.123 49.1) |
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 #A0501D | 5.73:1 | AA | Lc -83.5 | Fine for body text |
| Black text on #A0501D | 3.65:1 | AA large text | Lc 25.9 | Dividers and decoration only |
| #A0501D text on white | 5.73:1 | AA | Lc 78.2 | Fine for body text |
| #A0501D text on black | 3.65:1 | AA large text | Lc -23.6 | 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 700.
-
Step 50
50
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F4E7E0
oklch(93.6% 0.017 50.4)
-
Step 200
200
#ECD3C6
oklch(88.4% 0.033 49.3)
-
Step 300
300
#E1B69F
oklch(80.9% 0.059 49.6)
-
Step 400
400
#D18F6B
oklch(70.8% 0.095 49.3)
-
Step 500
500
#C47142
oklch(63.2% 0.122 48.8)
-
Step 600
600
#AF571F
oklch(55.5% 0.133 48.8)
-
Step 700
700 (this color)
#A0501D
oklch(52.2% 0.123 49.1)
-
Step 800
800
#7A3B12
oklch(42.7% 0.102 49.3)
-
Step 900
900
#633317
oklch(37.8% 0.08 48.7)
-
Step 950
950
#3A1E0F
oklch(27% 0.05 47.8)
#A0501D 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) | #675B15 | 0.108 |
| Deuteranopia (no green cones) | #7A6D1B | 0.098 |
| Tritanopia (no blue cones) | #B03E46 | 0.073 |
| Achromatopsia (no color) | #666666 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A0501D
#A0501D
oklch(52.2% 0.123 49.1)
- #007498
#007498
oklch(52.2% 0.102 228.5)
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 #A0501D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.013
- Burnt Umber #A0450E ΔE 0.024
- Cinnamon #AC4F06 ΔE 0.024
- Warm Brown #964E02 ΔE 0.025
- Sepia #985E2B ΔE 0.033
- Raw Umber #A75E09 ΔE 0.041
- Burnt Siena #B75203 ΔE 0.046
- Russet #A13905 ΔE 0.047
Use #A0501D 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.