#A56F37
Closest named color: Leather (#AC7434). oklch(58.7% 0.099 64.6), rgb(165, 111, 55).
Aa
Black text reads best on this color (4.92:1).
About this color
#A56F37 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 59%, its chroma 0.099 and its hue 65°. 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 4.92:1.
| Hue family | Browns |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.099) |
| Temperature | warm |
| Nearest name | Leather (#AC7434) |
| Black text | 4.92:1 |
| White text | 4.26:1 |
Values
| HEX | #A56F37 |
| RGB | rgb(165, 111, 55) |
| HSL | hsl(31, 50%, 43%) |
| OKLCH | oklch(58.7% 0.099 64.6) |
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 #A56F37 | 4.26:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #A56F37 | 4.92:1 | AA | Lc 34.8 | Non-text elements, placeholder text |
| #A56F37 text on white | 4.26:1 | AA large text | Lc 69.3 | Content text, not long reading |
| #A56F37 text on black | 4.92:1 | AA | Lc -32.4 | 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 600.
-
Step 50
50
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#F0E8E1
oklch(93.5% 0.013 63.9)
-
Step 200
200
#E5D6C9
oklch(88.5% 0.024 63.5)
-
Step 300
300
#D6BBA3
oklch(80.9% 0.045 63.8)
-
Step 400
400
#C09871
oklch(70.7% 0.072 65.5)
-
Step 500
500
#B07D4B
oklch(63% 0.092 64.3)
-
Step 600
600 (this color)
#A56F37
oklch(58.7% 0.099 64.6)
-
Step 700
700
#845420
oklch(49% 0.092 64.4)
-
Step 800
800
#6C451C
oklch(42.7% 0.077 64.2)
-
Step 900
900
#573A1D
oklch(37.5% 0.059 64.2)
-
Step 950
950
#332212
oklch(26.9% 0.037 63.4)
#A56F37 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) | #807331 | 0.065 |
| Deuteranopia (no green cones) | #8D8038 | 0.058 |
| Tritanopia (no blue cones) | #B36362 | 0.075 |
| Achromatopsia (no color) | #7B7B7B | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A56F37
#A56F37
oklch(58.7% 0.099 64.6)
- #4482B3
#4482B3
oklch(58.7% 0.099 244.5)
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 #A56F37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leather #AC7434 ΔE 0.020
- Clay Brown #B2713D ΔE 0.025
- Mocha #9D7651 ΔE 0.029
- Earth #A2653E ΔE 0.031
- Caramel #AF6F09 ΔE 0.031
- Umber #B26400 ΔE 0.037
- Copper #B66325 ΔE 0.038
- Tiger's Eye #BC6C25 ΔE 0.041
Use #A56F37 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.