#A17837
Closest named color: Leather (#AC7434). oklch(60% 0.097 76.5), rgb(161, 120, 55).
Aa
Black text reads best on this color (5.25:1).
About this color
#A17837 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 60%, its chroma 0.097 and its hue 77°. Its hue sits on the warm side of the wheel. The nearest named color is Leather (#AC7434), ΔE 0.020 away. Black text reads best on it, at 5.25:1.
| Hue family | Browns |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.097) |
| Temperature | warm |
| Nearest name | Leather (#AC7434) |
| Black text | 5.25:1 |
| White text | 3.99:1 |
Values
| HEX | #A17837 |
| RGB | rgb(161, 120, 55) |
| HSL | hsl(37, 49%, 42%) |
| OKLCH | oklch(60% 0.097 76.5) |
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 #A17837 | 3.99:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #A17837 | 5.25:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #A17837 text on white | 3.99:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #A17837 text on black | 5.25:1 | AA | Lc -34.5 | 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
#EFE9E0
oklch(93.6% 0.014 78.3)
-
Step 200
200
#E3D7C6
oklch(88.4% 0.026 76.8)
-
Step 300
300
#D2BD9F
oklch(80.8% 0.047 76.7)
-
Step 400
400
#BC9B6A
oklch(70.8% 0.076 76.9)
-
Step 500
500 (this color)
#A17837
oklch(60% 0.097 76.5)
-
Step 600
600
#966A1D
oklch(55.7% 0.105 76.5)
-
Step 700
700
#80580E
oklch(49.1% 0.098 76.3)
-
Step 800
800
#684810
oklch(42.7% 0.081 76.3)
-
Step 900
900
#543D16
oklch(37.7% 0.063 77.8)
-
Step 950
950
#31240E
oklch(27% 0.04 78.9)
#A17837 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) | #877930 | 0.045 |
| Deuteranopia (no green cones) | #918339 | 0.038 |
| Tritanopia (no blue cones) | #AF6D6A | 0.083 |
| Achromatopsia (no color) | #7F7F7F | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A17837
#A17837
oklch(60% 0.097 76.5)
- #5982BA
#5982BA
oklch(60.1% 0.098 256.4)
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 #A17837, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leather #AC7434 ΔE 0.020
- Coffee #A6814C ΔE 0.030
- Puce #A57E52 ΔE 0.031
- Bronze #A87900 ΔE 0.031
- Tan Brown #AB7E4C ΔE 0.031
- Mocha #9D7651 ΔE 0.031
- Caramel #AF6F09 ΔE 0.034
- Clay Brown #B2713D ΔE 0.036
Use #A17837 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.