#A37B2E
Closest named color: Bronze (#A87900). oklch(60.8% 0.105 80.5), rgb(163, 123, 46).
Aa
Black text reads best on this color (5.42:1).
About this color
#A37B2E is a medium-dark, moderately saturated brown. In OKLCH its lightness is 61%, its chroma 0.105 and its hue 81°. Its hue sits on the warm side of the wheel. The nearest named color is Bronze (#A87900), ΔE 0.020 away. Black text reads best on it, at 5.42:1.
| Hue family | Browns |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.105) |
| Temperature | warm |
| Nearest name | Bronze (#A87900) |
| Black text | 5.42:1 |
| White text | 3.86:1 |
Values
| HEX | #A37B2E |
| RGB | rgb(163, 123, 46) |
| HSL | hsl(39, 56%, 41%) |
| OKLCH | oklch(60.8% 0.105 80.5) |
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 #A37B2E | 3.86:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #A37B2E | 5.42:1 | AA | Lc 38.1 | Non-text elements, placeholder text |
| #A37B2E text on white | 3.86:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #A37B2E text on black | 5.42:1 | 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
#E3D8C4
oklch(88.6% 0.029 82.6)
-
Step 300
300
#D2BE9C
oklch(81% 0.051 80.9)
-
Step 400
400
#BB9B64
oklch(70.6% 0.082 80.4)
-
Step 500
500 (this color)
#A37B2E
oklch(60.8% 0.105 80.5)
-
Step 600
600
#966B02
oklch(55.7% 0.115 80.6)
-
Step 700
700
#7E5900
oklch(49% 0.101 80.5)
-
Step 800
800
#684901
oklch(42.8% 0.088 80.5)
-
Step 900
900
#543D0F
oklch(37.6% 0.068 80.7)
-
Step 950
950
#31240B
oklch(27% 0.043 81.4)
#A37B2E 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) | #8B7C24 | 0.042 |
| Deuteranopia (no green cones) | #958631 | 0.035 |
| Tritanopia (no blue cones) | #B16F6B | 0.092 |
| Achromatopsia (no color) | #828282 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A37B2E
#A37B2E
oklch(60.8% 0.105 80.5)
- #5D82C1
#5D82C1
oklch(60.6% 0.105 260.6)
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 #A37B2E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bronze #A87900 ΔE 0.020
- Leather #AC7434 ΔE 0.025
- Mustard Brown #AC7E04 ΔE 0.026
- Golden Brown #B27A01 ΔE 0.029
- Coffee #A6814C ΔE 0.030
- Tan Brown #AB7E4C ΔE 0.033
- Caramel #AF6F09 ΔE 0.034
- Puce #A57E52 ΔE 0.036
Use #A37B2E 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.