#A37B32
Closest named color: Bronze (#A87900). oklch(60.8% 0.102 79.6), rgb(163, 123, 50).
Aa
Black text reads best on this color (5.43:1).
About this color
#A37B32 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 61%, its chroma 0.102 and its hue 80°. Its hue sits on the warm side of the wheel. The nearest named color is Bronze (#A87900), ΔE 0.023 away. Black text reads best on it, at 5.43:1.
| Hue family | Browns |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.102) |
| Temperature | warm |
| Nearest name | Bronze (#A87900) |
| Black text | 5.43:1 |
| White text | 3.86:1 |
Values
| HEX | #A37B32 |
| RGB | rgb(163, 123, 50) |
| HSL | hsl(39, 53%, 42%) |
| OKLCH | oklch(60.8% 0.102 79.6) |
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 #A37B32 | 3.86:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #A37B32 | 5.43:1 | AA | Lc 38.1 | Non-text elements, placeholder text |
| #A37B32 text on white | 3.86:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #A37B32 text on black | 5.43:1 | AA | Lc -35.7 | 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
#F8F5F0
oklch(97.1% 0.007 80.7)
-
Step 100
100
#EFE9DF
oklch(93.6% 0.015 80.7)
-
Step 200
200
#E3D7C5
oklch(88.4% 0.028 78.2)
-
Step 300
300
#D2BE9D
oklch(81% 0.05 80.2)
-
Step 400
400
#BB9B66
oklch(70.6% 0.08 79.5)
-
Step 500
500 (this color)
#A37B32
oklch(60.8% 0.102 79.6)
-
Step 600
600
#956A0E
oklch(55.5% 0.111 79.4)
-
Step 700
700
#7F5900
oklch(49.2% 0.102 79.8)
-
Step 800
800
#684906
oklch(42.9% 0.086 79.7)
-
Step 900
900
#543D11
oklch(37.7% 0.067 80)
-
Step 950
950
#31240C
oklch(27% 0.042 80.6)
#A37B32 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) | #8B7C29 | 0.042 |
| Deuteranopia (no green cones) | #948635 | 0.036 |
| Tritanopia (no blue cones) | #B16F6B | 0.089 |
| Achromatopsia (no color) | #828282 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A37B32
#A37B32
oklch(60.8% 0.102 79.6)
- #5D83C0
#5D83C0
oklch(60.8% 0.103 259.6)
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 #A37B32, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bronze #A87900 ΔE 0.023
- Leather #AC7434 ΔE 0.024
- Coffee #A6814C ΔE 0.027
- Mustard Brown #AC7E04 ΔE 0.029
- Tan Brown #AB7E4C ΔE 0.031
- Golden Brown #B27A01 ΔE 0.031
- Puce #A57E52 ΔE 0.033
- Caramel #AF6F09 ΔE 0.034
Use #A37B32 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.