#A37B59
Closest named color: Puce (#A57E52). oklch(61.4% 0.069 61.4), rgb(163, 123, 89).
Aa
Black text reads best on this color (5.53:1).
About this color
#A37B59 is a medium-dark, muted brown. In OKLCH its lightness is 61%, its chroma 0.069 and its hue 61°. Its hue sits on the warm side of the wheel. The nearest named color is Puce (#A57E52), ΔE 0.014 away. Black text reads best on it, at 5.53:1.
| Hue family | Browns |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.069) |
| Temperature | warm |
| Nearest name | Puce (#A57E52) |
| Black text | 5.53:1 |
| White text | 3.79:1 |
Values
| HEX | #A37B59 |
| RGB | rgb(163, 123, 89) |
| HSL | hsl(28, 29%, 49%) |
| OKLCH | oklch(61.4% 0.069 61.4) |
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 #A37B59 | 3.79:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #A37B59 | 5.53:1 | AA | Lc 38.7 | Non-text elements, placeholder text |
| #A37B59 text on white | 3.79:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #A37B59 text on black | 5.53:1 | AA | Lc -36.3 | 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 500.
-
Step 50
50
#F8F5F2
oklch(97.2% 0.005 67.8)
-
Step 100
100
#EFE8E3
oklch(93.5% 0.01 58.2)
-
Step 200
200
#E3D7CD
oklch(88.6% 0.019 62.4)
-
Step 300
300
#D1BCAB
oklch(80.8% 0.034 61.3)
-
Step 400
400
#BA997F
oklch(70.6% 0.054 60)
-
Step 500
500 (this color)
#A37B59
oklch(61.4% 0.069 61.4)
-
Step 600
600
#936944
oklch(55.6% 0.075 61.7)
-
Step 700
700
#7D5736
oklch(49% 0.069 61.1)
-
Step 800
800
#66482D
oklch(42.8% 0.058 62.3)
-
Step 900
900
#533C28
oklch(37.7% 0.045 61.8)
-
Step 950
950
#312318
oklch(27% 0.029 59.3)
#A37B59 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) | #877E56 | 0.046 |
| Deuteranopia (no green cones) | #918759 | 0.042 |
| Tritanopia (no blue cones) | #AF7372 | 0.051 |
| Achromatopsia (no color) | #838383 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A37B59
#A37B59
oklch(61.4% 0.069 61.4)
- #5E8AAA
#5E8AAA
oklch(61.4% 0.069 240.8)
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 #A37B59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Puce #A57E52 ΔE 0.014
- Mocha #9D7651 ΔE 0.019
- Tan Brown #AB7E4C ΔE 0.024
- Coffee #A6814C ΔE 0.027
- Light Brown #AD8150 ΔE 0.028
- Pinkish Brown #B17261 ΔE 0.037
- Clay Brown #B2713D ΔE 0.038
- Leather #AC7434 ΔE 0.039
Use #A37B59 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.