#A0510A
Closest named color: Warm Brown (#964E02). oklch(52.2% 0.127 53.8), rgb(160, 81, 10).
Aa
White text reads best on this color (5.71:1).
About this color
#A0510A is a medium-dark, moderately saturated brown. In OKLCH its lightness is 52%, its chroma 0.127 and its hue 54°. Its hue sits on the warm side of the wheel. The nearest named color is Warm Brown (#964E02), ΔE 0.022 away. White text reads best on it, at 5.71:1.
| Hue family | Browns |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.127) |
| Temperature | warm |
| Nearest name | Warm Brown (#964E02) |
| Black text | 3.67:1 |
| White text | 5.71:1 |
Values
| HEX | #A0510A |
| RGB | rgb(160, 81, 10) |
| HSL | hsl(28, 88%, 33%) |
| OKLCH | oklch(52.2% 0.127 53.8) |
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 #A0510A | 5.71:1 | AA | Lc -83.3 | Fine for body text |
| Black text on #A0510A | 3.67:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #A0510A text on white | 5.71:1 | AA | Lc 78.1 | Fine for body text |
| #A0510A 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
#E1B79C
oklch(81% 0.061 54.4)
-
Step 400
400
#D18F64
oklch(70.6% 0.099 53.5)
-
Step 500
500
#C37237
oklch(63.1% 0.126 54)
-
Step 600
600
#AF5808
oklch(55.6% 0.137 53.5)
-
Step 700
700 (this color)
#A0510A
oklch(52.2% 0.127 53.8)
-
Step 800
800
#7A3C03
oklch(42.8% 0.105 54.1)
-
Step 900
900
#623410
oklch(37.7% 0.081 54.5)
-
Step 950
950
#3A1F0B
oklch(27.1% 0.052 54.8)
#A0510A 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) | #7B6D08 | 0.095 |
| Tritanopia (no blue cones) | #B03F45 | 0.081 |
| Achromatopsia (no color) | #666666 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A0510A
#A0510A
oklch(52.2% 0.127 53.8)
- #00739E
#00739E
oklch(52.3% 0.109 233.4)
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 #A0510A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Brown #964E02 ΔE 0.022
- Cinnamon #AC4F06 ΔE 0.023
- Sienna #A0522D ΔE 0.023
- Burnt Umber #A0450E ΔE 0.028
- Sepia #985E2B ΔE 0.032
- Raw Umber #A75E09 ΔE 0.036
- Raw Sienna #9A6200 ΔE 0.044
- Burnt Siena #B75203 ΔE 0.045
Use #A0510A 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.