#A57737
Closest named color: Leather (#AC7434). oklch(60.3% 0.099 72.9), rgb(165, 119, 55).
Aa
Black text reads best on this color (5.29:1).
About this color
#A57737 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 60%, its chroma 0.099 and its hue 73°. Its hue sits on the warm side of the wheel. The nearest named color is Leather (#AC7434), ΔE 0.013 away. Black text reads best on it, at 5.29:1.
| Hue family | Browns |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.099) |
| Temperature | warm |
| Nearest name | Leather (#AC7434) |
| Black text | 5.29:1 |
| White text | 3.96:1 |
Values
| HEX | #A57737 |
| RGB | rgb(165, 119, 55) |
| HSL | hsl(35, 50%, 43%) |
| OKLCH | oklch(60.3% 0.099 72.9) |
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 #A57737 | 3.96:1 | AA large text | Lc -72.4 | Content text, not long reading |
| Black text on #A57737 | 5.29:1 | AA | Lc 37.2 | Non-text elements, placeholder text |
| #A57737 text on white | 3.96:1 | AA large text | Lc 66.9 | Content text, not long reading |
| #A57737 text on black | 5.29:1 | AA | Lc -34.8 | 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 500.
-
Step 50
50
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#F0E9E0
oklch(93.7% 0.014 74.4)
-
Step 200
200
#E4D7C6
oklch(88.5% 0.027 74.7)
-
Step 300
300
#D4BC9F
oklch(80.8% 0.048 72.3)
-
Step 400
400
#BE996A
oklch(70.6% 0.077 72.7)
-
Step 500
500 (this color)
#A57737
oklch(60.3% 0.099 72.9)
-
Step 600
600
#99681C
oklch(55.6% 0.107 73)
-
Step 700
700
#83560C
oklch(49.1% 0.1 72.4)
-
Step 800
800
#6A4710
oklch(42.7% 0.083 73.3)
-
Step 900
900
#563C16
oklch(37.7% 0.064 73.8)
-
Step 950
950
#33230E
oklch(27% 0.041 72)
#A57737 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) | #877930 | 0.052 |
| Deuteranopia (no green cones) | #928439 | 0.045 |
| Tritanopia (no blue cones) | #B36B69 | 0.083 |
| Achromatopsia (no color) | #808080 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A57737
#A57737
oklch(60.3% 0.099 72.9)
- #5484BB
#5484BB
oklch(60.3% 0.099 252.8)
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 #A57737, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leather #AC7434 ΔE 0.013
- Tan Brown #AB7E4C ΔE 0.028
- Clay Brown #B2713D ΔE 0.029
- Coffee #A6814C ΔE 0.029
- Puce #A57E52 ΔE 0.029
- Caramel #AF6F09 ΔE 0.030
- Bronze #A87900 ΔE 0.031
- Mocha #9D7651 ΔE 0.031
Use #A57737 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.