#A37757
Closest named color: Mocha (#9D7651). oklch(60.6% 0.072 56.9), rgb(163, 119, 87).
Aa
Black text reads best on this color (5.33:1).
About this color
#A37757 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 61%, its chroma 0.072 and its hue 57°. Its hue sits on the warm side of the wheel. The nearest named color is Mocha (#9D7651), ΔE 0.013 away. Black text reads best on it, at 5.33:1.
| Hue family | Browns |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.072) |
| Temperature | warm |
| Nearest name | Mocha (#9D7651) |
| Black text | 5.33:1 |
| White text | 3.93:1 |
Values
| HEX | #A37757 |
| RGB | rgb(163, 119, 87) |
| HSL | hsl(25, 30%, 49%) |
| OKLCH | oklch(60.6% 0.072 56.9) |
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 #A37757 | 3.93:1 | AA large text | Lc -72.2 | Content text, not long reading |
| Black text on #A37757 | 5.33:1 | AA | Lc 37.4 | Non-text elements, placeholder text |
| #A37757 text on white | 3.93:1 | AA large text | Lc 66.7 | Content text, not long reading |
| #A37757 text on black | 5.33:1 | AA | Lc -35.0 | 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
#E4D6CD
oklch(88.5% 0.02 55.1)
-
Step 300
300
#D3BBAB
oklch(80.8% 0.035 55.8)
-
Step 400
400
#BC987F
oklch(70.6% 0.056 56.4)
-
Step 500
500 (this color)
#A37757
oklch(60.6% 0.072 56.9)
-
Step 600
600
#966745
oklch(55.5% 0.078 56.2)
-
Step 700
700
#805636
oklch(49.2% 0.073 57.4)
-
Step 800
800
#68462D
oklch(42.6% 0.06 56.6)
-
Step 900
900
#553B29
oklch(37.7% 0.047 55.5)
-
Step 950
950
#322318
oklch(27.1% 0.03 57.3)
#A37757 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) | #847B55 | 0.052 |
| Deuteranopia (no green cones) | #8E8457 | 0.047 |
| Tritanopia (no blue cones) | #AF6E6F | 0.052 |
| Achromatopsia (no color) | #808080 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A37757
#A37757
oklch(60.6% 0.072 56.9)
- #5789A8
#5789A8
oklch(60.7% 0.072 236.9)
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 #A37757, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mocha #9D7651 ΔE 0.013
- Puce #A57E52 ΔE 0.023
- Tan Brown #AB7E4C ΔE 0.030
- Pinkish Brown #B17261 ΔE 0.033
- Coffee #A6814C ΔE 0.035
- Clay Brown #B2713D ΔE 0.035
- Light Brown #AD8150 ΔE 0.036
- Leather #AC7434 ΔE 0.038
Use #A37757 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.