#A37527
Closest named color: Leather (#AC7434). oklch(59.5% 0.108 76.5), rgb(163, 117, 39).
Aa
Black text reads best on this color (5.13:1).
About this color
#A37527 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 60%, its chroma 0.108 and its hue 77°. Its hue sits on the warm side of the wheel. The nearest named color is Leather (#AC7434), ΔE 0.021 away. Black text reads best on it, at 5.13:1.
| Hue family | Browns |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.108) |
| Temperature | warm |
| Nearest name | Leather (#AC7434) |
| Black text | 5.13:1 |
| White text | 4.09:1 |
Values
| HEX | #A37527 |
| RGB | rgb(163, 117, 39) |
| HSL | hsl(38, 61%, 40%) |
| OKLCH | oklch(59.5% 0.108 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 #A37527 | 4.09:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #A37527 | 5.13:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #A37527 text on white | 4.09:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #A37527 text on black | 5.13:1 | AA | Lc -33.8 | 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
#F8F5F0
oklch(97.1% 0.007 80.7)
-
Step 100
100
#F0E9DF
oklch(93.7% 0.015 77.1)
-
Step 200
200
#E4D7C4
oklch(88.5% 0.029 77.5)
-
Step 300
300
#D4BD9B
oklch(80.9% 0.053 77.5)
-
Step 400
400
#BF9A63
oklch(70.8% 0.085 76.6)
-
Step 500
500 (this color)
#A37527
oklch(59.5% 0.108 76.5)
-
Step 600
600
#996800
oklch(55.5% 0.116 76.4)
-
Step 700
700
#815700
oklch(49% 0.103 76.4)
-
Step 800
800
#6A4700
oklch(42.6% 0.089 76.7)
-
Step 900
900
#573C0D
oklch(37.8% 0.071 76.5)
-
Step 950
950
#33230A
oklch(27% 0.045 75.7)
#A37527 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) | #86771C | 0.051 |
| Deuteranopia (no green cones) | #91822A | 0.044 |
| Tritanopia (no blue cones) | #B26965 | 0.091 |
| Achromatopsia (no color) | #7D7D7D | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A37527
#A37527
oklch(59.5% 0.108 76.5)
- #5380BE
#5380BE
oklch(59.5% 0.108 256.7)
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 #A37527, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leather #AC7434 ΔE 0.021
- Bronze #A87900 ΔE 0.023
- Caramel #AF6F09 ΔE 0.024
- Golden Brown #B27A01 ΔE 0.034
- Mustard Brown #AC7E04 ΔE 0.035
- Clay Brown #B2713D ΔE 0.038
- Hazel #8E7618 ΔE 0.039
- Coffee #A6814C ΔE 0.040
Use #A37527 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.