#A17537
Closest named color: Leather (#AC7434). oklch(59.4% 0.096 73.3), rgb(161, 117, 55).
Aa
Black text reads best on this color (5.11:1).
About this color
#A17537 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 59%, its chroma 0.096 and its hue 73°. Its hue sits on the warm side of the wheel. The nearest named color is Leather (#AC7434), ΔE 0.019 away. Black text reads best on it, at 5.11:1.
| Hue family | Browns |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.096) |
| Temperature | warm |
| Nearest name | Leather (#AC7434) |
| Black text | 5.11:1 |
| White text | 4.10:1 |
Values
| HEX | #A17537 |
| RGB | rgb(161, 117, 55) |
| HSL | hsl(35, 49%, 42%) |
| OKLCH | oklch(59.4% 0.096 73.3) |
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 #A17537 | 4.10:1 | AA large text | Lc -73.6 | Content text, not long reading |
| Black text on #A17537 | 5.11:1 | AA | Lc 36.0 | Non-text elements, placeholder text |
| #A17537 text on white | 4.10:1 | AA large text | Lc 68.1 | Content text, not long reading |
| #A17537 text on black | 5.11:1 | AA | Lc -33.6 | 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
#F0E9E0
oklch(93.7% 0.014 74.4)
-
Step 200
200
#E4D7C7
oklch(88.5% 0.026 73.2)
-
Step 300
300
#D4BDA0
oklch(81% 0.047 73.5)
-
Step 400
400
#BD9A6B
oklch(70.7% 0.076 74.3)
-
Step 500
500 (this color)
#A17537
oklch(59.4% 0.096 73.3)
-
Step 600
600
#986920
oklch(55.7% 0.105 73.7)
-
Step 700
700
#815711
oklch(49.1% 0.097 74)
-
Step 800
800
#694713
oklch(42.6% 0.08 73.2)
-
Step 900
900
#563C17
oklch(37.8% 0.063 73.2)
-
Step 950
950
#32230F
oklch(26.9% 0.039 72.7)
#A17537 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) | #857731 | 0.048 |
| Deuteranopia (no green cones) | #8F8139 | 0.042 |
| Tritanopia (no blue cones) | #AF6A67 | 0.080 |
| Achromatopsia (no color) | #7D7D7D | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A17537
#A17537
oklch(59.4% 0.096 73.3)
- #5481B7
#5481B7
oklch(59.4% 0.097 253.7)
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 #A17537, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leather #AC7434 ΔE 0.019
- Mocha #9D7651 ΔE 0.028
- Caramel #AF6F09 ΔE 0.032
- Clay Brown #B2713D ΔE 0.033
- Puce #A57E52 ΔE 0.033
- Tan Brown #AB7E4C ΔE 0.035
- Coffee #A6814C ΔE 0.035
- Bronze #A87900 ΔE 0.035
Use #A17537 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.