#A37A35
Closest named color: Leather (#AC7434). oklch(60.7% 0.1 77.8), rgb(163, 122, 53).
Aa
Black text reads best on this color (5.39:1).
About this color
#A37A35 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 61%, its chroma 0.100 and its hue 78°. 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 5.39:1.
| Hue family | Browns |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.100) |
| Temperature | warm |
| Nearest name | Leather (#AC7434) |
| Black text | 5.39:1 |
| White text | 3.89:1 |
Values
| HEX | #A37A35 |
| RGB | rgb(163, 122, 53) |
| HSL | hsl(38, 51%, 42%) |
| OKLCH | oklch(60.7% 0.1 77.8) |
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 #A37A35 | 3.89:1 | AA large text | Lc -71.7 | Content text, not long reading |
| Black text on #A37A35 | 5.39:1 | AA | Lc 37.8 | Non-text elements, placeholder text |
| #A37A35 text on white | 3.89:1 | AA large text | Lc 66.2 | Content text, not long reading |
| #A37A35 text on black | 5.39:1 | AA | Lc -35.4 | 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 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
#D2BD9E
oklch(80.8% 0.048 77.5)
-
Step 400
400
#BC9B68
oklch(70.8% 0.078 77.8)
-
Step 500
500 (this color)
#A37A35
oklch(60.7% 0.1 77.8)
-
Step 600
600
#966A16
oklch(55.6% 0.108 77.7)
-
Step 700
700
#805804
oklch(49.1% 0.101 77.6)
-
Step 800
800
#68480B
oklch(42.7% 0.084 77.5)
-
Step 900
900
#553D14
oklch(37.8% 0.065 77.6)
-
Step 950
950
#32240D
oklch(27.1% 0.042 77.8)
#A37A35 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) | #8A7B2D | 0.044 |
| Deuteranopia (no green cones) | #938537 | 0.038 |
| Tritanopia (no blue cones) | #B16F6B | 0.085 |
| Achromatopsia (no color) | #818181 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A37A35
#A37A35
oklch(60.7% 0.1 77.8)
- #5B83BE
#5B83BE
oklch(60.6% 0.101 258)
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 #A37A35, 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 0.026
- Coffee #A6814C ΔE 0.026
- Tan Brown #AB7E4C ΔE 0.029
- Puce #A57E52 ΔE 0.030
- Mustard Brown #AC7E04 ΔE 0.033
- Golden Brown #B27A01 ΔE 0.033
- Caramel #AF6F09 ΔE 0.034
Use #A37A35 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.