#A37D41
Closest named color: Coffee (#A6814C). oklch(61.4% 0.091 77.1), rgb(163, 125, 65).
Aa
Black text reads best on this color (5.56:1).
About this color
#A37D41 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 61%, its chroma 0.091 and its hue 77°. Its hue sits on the warm side of the wheel. The nearest named color is Coffee (#A6814C), ΔE 0.015 away. Black text reads best on it, at 5.56:1.
| Hue family | Browns |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Coffee (#A6814C) |
| Black text | 5.56:1 |
| White text | 3.77:1 |
Values
| HEX | #A37D41 |
| RGB | rgb(163, 125, 65) |
| HSL | hsl(37, 43%, 45%) |
| OKLCH | oklch(61.4% 0.091 77.1) |
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 #A37D41 | 3.77:1 | AA large text | Lc -70.7 | Content text, not long reading |
| Black text on #A37D41 | 5.56:1 | AA | Lc 38.9 | Non-text elements, placeholder text |
| #A37D41 text on white | 3.77:1 | AA large text | Lc 65.2 | Content text, not long reading |
| #A37D41 text on black | 5.56:1 | AA | Lc -36.5 | 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
#EFE9E1
oklch(93.7% 0.013 75.4)
-
Step 200
200
#E2D7C7
oklch(88.4% 0.025 77.4)
-
Step 300
300
#D1BDA1
oklch(80.8% 0.044 76.3)
-
Step 400
400
#BA9B6E
oklch(70.7% 0.071 76.5)
-
Step 500
500 (this color)
#A37D41
oklch(61.4% 0.091 77.1)
-
Step 600
600
#936B26
oklch(55.6% 0.098 77.5)
-
Step 700
700
#7E5918
oklch(49.2% 0.092 76.9)
-
Step 800
800
#664917
oklch(42.7% 0.076 77.4)
-
Step 900
900
#533D1A
oklch(37.6% 0.059 76.9)
-
Step 950
950
#312410
oklch(27% 0.038 76.8)
#A37D41 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) | #8C7E3B | 0.039 |
| Deuteranopia (no green cones) | #958743 | 0.033 |
| Tritanopia (no blue cones) | #B0736F | 0.077 |
| Achromatopsia (no color) | #838383 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A37D41
#A37D41
oklch(61.4% 0.091 77.1)
- #6186BB
#6186BB
oklch(61.5% 0.091 257.4)
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 #A37D41, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Coffee #A6814C ΔE 0.015
- Tan Brown #AB7E4C ΔE 0.019
- Puce #A57E52 ΔE 0.019
- Leather #AC7434 ΔE 0.025
- Light Brown #AD8150 ΔE 0.026
- Mocha #9D7651 ΔE 0.032
- Bronze #A87900 ΔE 0.036
- Dark Tan #AF884A ΔE 0.037
Use #A37D41 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.