#A57731
Closest named color: Leather (#AC7434). oklch(60.2% 0.103 74.7), rgb(165, 119, 49).
Aa
Black text reads best on this color (5.28:1).
About this color
#A57731 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 60%, its chroma 0.103 and its hue 75°. Its hue sits on the warm side of the wheel. The nearest named color is Leather (#AC7434), ΔE 0.015 away. Black text reads best on it, at 5.28:1.
| Hue family | Browns |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.103) |
| Temperature | warm |
| Nearest name | Leather (#AC7434) |
| Black text | 5.28:1 |
| White text | 3.97:1 |
Values
| HEX | #A57731 |
| RGB | rgb(165, 119, 49) |
| HSL | hsl(36, 54%, 42%) |
| OKLCH | oklch(60.2% 0.103 74.7) |
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 #A57731 | 3.97:1 | AA large text | Lc -72.4 | Content text, not long reading |
| Black text on #A57731 | 5.28:1 | AA | Lc 37.2 | Non-text elements, placeholder text |
| #A57731 text on white | 3.97:1 | AA large text | Lc 66.9 | Content text, not long reading |
| #A57731 text on black | 5.28:1 | AA | Lc -34.7 | 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
#F0E9DF
oklch(93.7% 0.015 77.1)
-
Step 200
200
#E4D7C5
oklch(88.5% 0.028 76.2)
-
Step 300
300
#D4BD9D
oklch(81% 0.051 76)
-
Step 400
400
#BF9966
oklch(70.6% 0.081 74)
-
Step 500
500 (this color)
#A57731
oklch(60.2% 0.103 74.7)
-
Step 600
600
#996810
oklch(55.5% 0.112 74.9)
-
Step 700
700
#835600
oklch(49.1% 0.104 74.1)
-
Step 800
800
#6A4707
oklch(42.7% 0.086 75.3)
-
Step 900
900
#563C12
oklch(37.7% 0.067 75.7)
-
Step 950
950
#33230C
oklch(27% 0.043 74)
#A57731 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) | #887929 | 0.051 |
| Deuteranopia (no green cones) | #938433 | 0.044 |
| Tritanopia (no blue cones) | #B36B68 | 0.087 |
| Achromatopsia (no color) | #808080 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A57731
#A57731
oklch(60.2% 0.103 74.7)
- #5483BE
#5483BE
oklch(60.2% 0.104 254.8)
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 #A57731, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leather #AC7434 ΔE 0.015
- Bronze #A87900 ΔE 0.026
- Caramel #AF6F09 ΔE 0.027
- Tan Brown #AB7E4C ΔE 0.031
- Coffee #A6814C ΔE 0.032
- Clay Brown #B2713D ΔE 0.032
- Golden Brown #B27A01 ΔE 0.033
- Puce #A57E52 ΔE 0.033
Use #A57731 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.