#A37553
Closest named color: Mocha (#9D7651). oklch(60.1% 0.075 57.2), rgb(163, 117, 83).
Aa
Black text reads best on this color (5.22:1).
About this color
#A37553 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 60%, its chroma 0.075 and its hue 57°. Its hue sits on the warm side of the wheel. The nearest named color is Mocha (#9D7651), ΔE 0.011 away. Black text reads best on it, at 5.22:1.
| Hue family | Browns |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Mocha (#9D7651) |
| Black text | 5.22:1 |
| White text | 4.01:1 |
Values
| HEX | #A37553 |
| RGB | rgb(163, 117, 83) |
| HSL | hsl(26, 33%, 48%) |
| OKLCH | oklch(60.1% 0.075 57.2) |
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 #A37553 | 4.01:1 | AA large text | Lc -72.9 | Content text, not long reading |
| Black text on #A37553 | 5.22:1 | AA | Lc 36.7 | Non-text elements, placeholder text |
| #A37553 text on white | 4.01:1 | AA large text | Lc 67.4 | Content text, not long reading |
| #A37553 text on black | 5.22:1 | AA | Lc -34.3 | 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
#F0E8E3
oklch(93.6% 0.011 54.5)
-
Step 200
200
#E4D6CC
oklch(88.5% 0.021 58)
-
Step 300
300
#D4BBAA
oklch(80.9% 0.037 56.3)
-
Step 400
400
#BE987D
oklch(70.8% 0.059 57)
-
Step 500
500 (this color)
#A37553
oklch(60.1% 0.075 57.2)
-
Step 600
600
#986742
oklch(55.7% 0.082 57.2)
-
Step 700
700
#815533
oklch(49% 0.076 57.5)
-
Step 800
800
#69462B
oklch(42.7% 0.063 57.7)
-
Step 900
900
#563B27
oklch(37.8% 0.05 57.1)
-
Step 950
950
#322317
oklch(27.1% 0.031 59.6)
#A37553 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) | #837950 | 0.054 |
| Deuteranopia (no green cones) | #8D8353 | 0.051 |
| Tritanopia (no blue cones) | #AF6C6C | 0.053 |
| Achromatopsia (no color) | #7F7F7F | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A37553
#A37553
oklch(60.1% 0.075 57.2)
- #5387A8
#5387A8
oklch(60% 0.075 237.7)
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 #A37553, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mocha #9D7651 ΔE 0.011
- Puce #A57E52 ΔE 0.026
- Clay Brown #B2713D ΔE 0.032
- Tan Brown #AB7E4C ΔE 0.032
- Pinkish Brown #B17261 ΔE 0.034
- Leather #AC7434 ΔE 0.035
- Coffee #A6814C ΔE 0.037
- Light Brown #AD8150 ΔE 0.039
Use #A37553 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.