#A3733C
Closest named color: Leather (#AC7434). oklch(59.3% 0.094 68), rgb(163, 115, 60).
Aa
Black text reads best on this color (5.07:1).
About this color
#A3733C is a medium-dark, moderately saturated brown. In OKLCH its lightness is 59%, its chroma 0.094 and its hue 68°. Its hue sits on the warm side of the wheel. The nearest named color is Leather (#AC7434), ΔE 0.017 away. Black text reads best on it, at 5.07:1.
| Hue family | Browns |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.094) |
| Temperature | warm |
| Nearest name | Leather (#AC7434) |
| Black text | 5.07:1 |
| White text | 4.13:1 |
Values
| HEX | #A3733C |
| RGB | rgb(163, 115, 60) |
| HSL | hsl(32, 46%, 44%) |
| OKLCH | oklch(59.3% 0.094 68) |
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 #A3733C | 4.13:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #A3733C | 5.07:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #A3733C text on white | 4.13:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #A3733C text on black | 5.07:1 | AA | Lc -33.3 | Non-text elements, placeholder text |
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
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#F0E8E1
oklch(93.5% 0.013 63.9)
-
Step 200
200
#E4D7C9
oklch(88.6% 0.024 69.6)
-
Step 300
300
#D3BCA4
oklch(80.8% 0.042 68.4)
-
Step 400
400
#BD9973
oklch(70.7% 0.067 67.9)
-
Step 500
500
#AC7F4E
oklch(63% 0.086 67.5)
-
Step 600
600 (this color)
#A3733C
oklch(59.3% 0.094 68)
-
Step 700
700
#815623
oklch(49% 0.087 67.6)
-
Step 800
800
#69471F
oklch(42.8% 0.072 68.1)
-
Step 900
900
#553C1F
oklch(37.7% 0.056 68.8)
-
Step 950
950
#322313
oklch(27% 0.035 67.2)
#A3733C 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) | #837637 | 0.055 |
| Deuteranopia (no green cones) | #8E813D | 0.049 |
| Tritanopia (no blue cones) | #B16866 | 0.074 |
| Achromatopsia (no color) | #7D7D7D | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3733C
#A3733C
oklch(59.3% 0.094 68)
- #4E83B3
#4E83B3
oklch(59.4% 0.093 247.4)
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 #A3733C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leather #AC7434 ΔE 0.017
- Mocha #9D7651 ΔE 0.023
- Clay Brown #B2713D ΔE 0.027
- Puce #A57E52 ΔE 0.032
- Caramel #AF6F09 ΔE 0.034
- Tan Brown #AB7E4C ΔE 0.034
- Coffee #A6814C ΔE 0.037
- Earth #A2653E ΔE 0.038
Use #A3733C 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.