#A7643B
Closest named color: Earth (#A2653E). oklch(57% 0.103 50.9), rgb(167, 100, 59).
Aa
White text reads best on this color (4.63:1).
About this color
#A7643B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 57%, its chroma 0.103 and its hue 51°. Its hue sits on the warm side of the wheel. The nearest named color is Earth (#A2653E), ΔE 0.009 away. White text reads best on it, at 4.63:1.
| Hue family | Browns |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.103) |
| Temperature | warm |
| Nearest name | Earth (#A2653E) |
| Black text | 4.52:1 |
| White text | 4.63:1 |
Values
| HEX | #A7643B |
| RGB | rgb(167, 100, 59) |
| HSL | hsl(23, 48%, 44%) |
| OKLCH | oklch(57% 0.103 50.9) |
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 #A7643B | 4.63:1 | AA | Lc -77.4 | Fine for body text |
| Black text on #A7643B | 4.52:1 | AA | Lc 32.1 | Non-text elements, placeholder text |
| #A7643B text on white | 4.63:1 | AA | Lc 71.9 | Content text, not long reading |
| #A7643B text on black | 4.52:1 | AA | Lc -29.7 | 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 600.
-
Step 50
50
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F2E8E2
oklch(93.7% 0.014 53.3)
-
Step 200
200
#E8D5CA
oklch(88.6% 0.026 52.2)
-
Step 300
300
#DAB9A6
oklch(80.9% 0.046 51.7)
-
Step 400
400
#C79476
oklch(70.8% 0.075 51.6)
-
Step 500
500
#B77853
oklch(63% 0.094 50.8)
-
Step 600
600 (this color)
#A7643B
oklch(57% 0.103 50.9)
-
Step 700
700
#8B4F29
oklch(49.1% 0.096 51.1)
-
Step 800
800
#714123
oklch(42.7% 0.08 51.2)
-
Step 900
900
#5C3722
oklch(37.7% 0.062 49.6)
-
Step 950
950
#362114
oklch(27.1% 0.039 52.1)
#A7643B 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) | #776C37 | 0.086 |
| Deuteranopia (no green cones) | #877A3B | 0.077 |
| Tritanopia (no blue cones) | #B6575A | 0.064 |
| Achromatopsia (no color) | #757575 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A7643B
#A7643B
oklch(57% 0.103 50.9)
- #2382A9
#2382A9
oklch(57.1% 0.103 230.7)
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 #A7643B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Earth #A2653E ΔE 0.009
- Copper #B66325 ΔE 0.031
- Raw Umber #A75E09 ΔE 0.034
- Orangey Brown #B16002 ΔE 0.036
- Sepia #985E2B ΔE 0.036
- Umber #B26400 ΔE 0.039
- Clay #B66A50 ΔE 0.039
- Clay Brown #B2713D ΔE 0.040
Use #A7643B 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.