#A37859
Closest named color: Mocha (#9D7651). oklch(60.8% 0.07 56.8), rgb(163, 120, 89).
Aa
Black text reads best on this color (5.38:1).
About this color
#A37859 is a medium-dark, muted brown. In OKLCH its lightness is 61%, its chroma 0.070 and its hue 57°. Its hue sits on the warm side of the wheel. The nearest named color is Mocha (#9D7651), ΔE 0.015 away. Black text reads best on it, at 5.38:1.
| Hue family | Browns |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.070) |
| Temperature | warm |
| Nearest name | Mocha (#9D7651) |
| Black text | 5.38:1 |
| White text | 3.89:1 |
Values
| HEX | #A37859 |
| RGB | rgb(163, 120, 89) |
| HSL | hsl(25, 29%, 49%) |
| OKLCH | oklch(60.8% 0.07 56.8) |
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 #A37859 | 3.89:1 | AA large text | Lc -71.8 | Content text, not long reading |
| Black text on #A37859 | 5.38:1 | AA | Lc 37.8 | Non-text elements, placeholder text |
| #A37859 text on white | 3.89:1 | AA large text | Lc 66.3 | Content text, not long reading |
| #A37859 text on black | 5.38:1 | AA | Lc -35.3 | 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
#EFE8E4
oklch(93.5% 0.009 52.1)
-
Step 200
200
#E3D6CD
oklch(88.4% 0.019 57.2)
-
Step 300
300
#D2BCAC
oklch(80.9% 0.033 58.3)
-
Step 400
400
#BC9880
oklch(70.7% 0.055 55.3)
-
Step 500
500 (this color)
#A37859
oklch(60.8% 0.07 56.8)
-
Step 600
600
#956846
oklch(55.6% 0.075 57.5)
-
Step 700
700
#7F5638
oklch(49.1% 0.07 56.5)
-
Step 800
800
#67472E
oklch(42.7% 0.058 58.4)
-
Step 900
900
#543B29
oklch(37.6% 0.046 56.6)
-
Step 950
950
#312318
oklch(27% 0.029 59.3)
#A37859 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) | #857B57 | 0.050 |
| Deuteranopia (no green cones) | #8F8559 | 0.046 |
| Tritanopia (no blue cones) | #AF7070 | 0.049 |
| Achromatopsia (no color) | #818181 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A37859
#A37859
oklch(60.8% 0.07 56.8)
- #5989A7
#5989A7
oklch(60.8% 0.069 236.9)
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 #A37859, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mocha #9D7651 ΔE 0.015
- Puce #A57E52 ΔE 0.022
- Tan Brown #AB7E4C ΔE 0.030
- Pinkish Brown #B17261 ΔE 0.032
- Coffee #A6814C ΔE 0.034
- Light Brown #AD8150 ΔE 0.035
- Clay Brown #B2713D ΔE 0.037
- Reddish Grey #997570 ΔE 0.039
Use #A37859 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.