#AB7537
Closest named color: Leather (#AC7434). oklch(60.6% 0.103 67.3), rgb(171, 117, 55).
Aa
Black text reads best on this color (5.33:1).
About this color
#AB7537 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 61%, its chroma 0.103 and its hue 67°. Its hue sits on the warm side of the wheel. The nearest named color is Leather (#AC7434), ΔE 0.003 away. Black text reads best on it, at 5.33:1.
| Hue family | Browns |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.103) |
| Temperature | warm |
| Nearest name | Leather (#AC7434) |
| Black text | 5.33:1 |
| White text | 3.93:1 |
Values
| HEX | #AB7537 |
| RGB | rgb(171, 117, 55) |
| HSL | hsl(32, 51%, 44%) |
| OKLCH | oklch(60.6% 0.103 67.3) |
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 #AB7537 | 3.93:1 | AA large text | Lc -72.1 | Content text, not long reading |
| Black text on #AB7537 | 5.33:1 | AA | Lc 37.5 | Non-text elements, placeholder text |
| #AB7537 text on white | 3.93:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #AB7537 text on black | 5.33:1 | AA | Lc -35.1 | 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
#F9F5F1
oklch(97.2% 0.007 67.7)
-
Step 100
100
#F1E8E0
oklch(93.6% 0.015 64.3)
-
Step 200
200
#E6D6C6
oklch(88.5% 0.028 67.5)
-
Step 300
300
#D7BB9E
oklch(80.9% 0.051 68)
-
Step 400
400
#C39769
oklch(70.7% 0.081 67.1)
-
Step 500
500 (this color)
#AB7537
oklch(60.6% 0.103 67.3)
-
Step 600
600
#9E651A
oklch(55.6% 0.112 67.8)
-
Step 700
700
#87530A
oklch(49% 0.104 67.2)
-
Step 800
800
#6E440E
oklch(42.6% 0.087 66.9)
-
Step 900
900
#593A15
oklch(37.7% 0.067 67.7)
-
Step 950
950
#34220E
oklch(26.9% 0.042 67.2)
#AB7537 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 | 0.063 |
| Deuteranopia (no green cones) | #948538 | 0.055 |
| Tritanopia (no blue cones) | #BA6867 | 0.082 |
| Achromatopsia (no color) | #808080 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AB7537
#AB7537
oklch(60.6% 0.103 67.3)
- #4B87BD
#4B87BD
oklch(60.6% 0.104 247.5)
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 #AB7537, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leather #AC7434 ΔE 0.003
- Clay Brown #B2713D ΔE 0.018
- Caramel #AF6F09 ΔE 0.026
- Tan Brown #AB7E4C ΔE 0.026
- Puce #A57E52 ΔE 0.030
- Coffee #A6814C ΔE 0.031
- Tiger's Eye #BC6C25 ΔE 0.034
- Mocha #9D7651 ΔE 0.034
Use #AB7537 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.