#A0640D
Closest named color: Raw Sienna (#9A6200). oklch(55.6% 0.118 67.9), rgb(160, 100, 13).
Aa
White text reads best on this color (4.85:1).
About this color
#A0640D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 56%, its chroma 0.118 and its hue 68°. Its hue sits on the warm side of the wheel. The nearest named color is Raw Sienna (#9A6200), ΔE 0.013 away. White text reads best on it, at 4.85:1.
| Hue family | Browns |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.118) |
| Temperature | warm |
| Nearest name | Raw Sienna (#9A6200) |
| Black text | 4.32:1 |
| White text | 4.85:1 |
Values
| HEX | #A0640D |
| RGB | rgb(160, 100, 13) |
| HSL | hsl(36, 85%, 34%) |
| OKLCH | oklch(55.6% 0.118 67.9) |
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 #A0640D | 4.85:1 | AA | Lc -78.8 | Fine for body text |
| Black text on #A0640D | 4.32:1 | AA large text | Lc 30.7 | Non-text elements, placeholder text |
| #A0640D text on white | 4.85:1 | AA | Lc 73.4 | Content text, not long reading |
| #A0640D text on black | 4.32:1 | AA large text | Lc -28.3 | 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 600.
-
Step 50
50
#F9F5F0
oklch(97.2% 0.008 73.7)
-
Step 100
100
#F1E8DF
oklch(93.6% 0.016 67.6)
-
Step 200
200
#E7D6C5
oklch(88.5% 0.03 67.4)
-
Step 300
300
#D8BB9C
oklch(80.9% 0.054 68.8)
-
Step 400
400
#C49766
oklch(70.8% 0.085 68.1)
-
Step 500
500
#B57C39
oklch(63.2% 0.109 67.8)
-
Step 600
600 (this color)
#A0640D
oklch(55.6% 0.118 67.9)
-
Step 700
700
#885300
oklch(49.1% 0.108 68.1)
-
Step 800
800
#6F4405
oklch(42.7% 0.091 68.3)
-
Step 900
900
#5A3A11
oklch(37.8% 0.071 68.8)
-
Step 950
950
#35220C
oklch(27% 0.045 67.8)
#A0640D 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) | #786900 | 0.072 |
| Deuteranopia (no green cones) | #867710 | 0.065 |
| Tritanopia (no blue cones) | #AF5555 | 0.093 |
| Achromatopsia (no color) | #717171 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A0640D
#A0640D
oklch(55.6% 0.118 67.9)
- #3178B5
#3178B5
oklch(55.7% 0.118 247.8)
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 #A0640D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raw Sienna #9A6200 ΔE 0.013
- Raw Umber #A75E09 ΔE 0.018
- Orangey Brown #B16002 ΔE 0.031
- Sepia #985E2B ΔE 0.031
- Umber #B26400 ΔE 0.033
- Earth #A2653E ΔE 0.038
- Caramel #AF6F09 ΔE 0.041
- Muddy Brown #886806 ΔE 0.044
Use #A0640D 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.