#A0510E
Closest named color: Sienna (#A0522D). oklch(52.2% 0.126 53.2), rgb(160, 81, 14).
Aa
White text reads best on this color (5.70:1).
About this color
#A0510E is a medium-dark, moderately saturated brown. In OKLCH its lightness is 52%, its chroma 0.126 and its hue 53°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.022 away. White text reads best on it, at 5.70:1.
| Hue family | Browns |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.126) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.67:1 |
| White text | 5.70:1 |
Values
| HEX | #A0510E |
| RGB | rgb(160, 81, 14) |
| HSL | hsl(28, 84%, 34%) |
| OKLCH | oklch(52.2% 0.126 53.2) |
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 #A0510E | 5.70:1 | AA | Lc -83.3 | Fine for body text |
| Black text on #A0510E | 3.67:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #A0510E text on white | 5.70:1 | AA | Lc 78.0 | Fine for body text |
| #A0510E text on black | 3.67:1 | AA large text | Lc -23.7 | 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
#FAF4F0
oklch(97.1% 0.008 56.3)
-
Step 100
100
#F4E7DF
oklch(93.6% 0.018 54)
-
Step 200
200
#ECD4C5
oklch(88.6% 0.034 54.1)
-
Step 300
300
#E1B69C
oklch(80.8% 0.061 52.7)
-
Step 400
400
#D18F65
oklch(70.7% 0.098 53)
-
Step 500
500
#C37239
oklch(63.1% 0.125 53.3)
-
Step 600
600
#AF580D
oklch(55.6% 0.136 52.9)
-
Step 700
700 (this color)
#A0510E
oklch(52.2% 0.126 53.2)
-
Step 800
800
#7A3B06
oklch(42.7% 0.105 52.6)
-
Step 900
900
#623411
oklch(37.7% 0.081 54)
-
Step 950
950
#3A1F0C
oklch(27.1% 0.052 53.7)
#A0510E 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) | #685B00 | 0.106 |
| Deuteranopia (no green cones) | #7B6D0C | 0.095 |
| Tritanopia (no blue cones) | #B03F45 | 0.079 |
| Achromatopsia (no color) | #666666 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A0510E
#A0510E
oklch(52.2% 0.126 53.2)
- #00739D
#00739D
oklch(52.2% 0.108 232.8)
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 #A0510E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.022
- Warm Brown #964E02 ΔE 0.022
- Cinnamon #AC4F06 ΔE 0.023
- Burnt Umber #A0450E ΔE 0.027
- Sepia #985E2B ΔE 0.032
- Raw Umber #A75E09 ΔE 0.036
- Raw Sienna #9A6200 ΔE 0.044
- Burnt Siena #B75203 ΔE 0.045
Use #A0510E 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.