#A37945
Closest named color: Puce (#A57E52). oklch(60.7% 0.087 70.8), rgb(163, 121, 69).
Aa
Black text reads best on this color (5.37:1).
About this color
#A37945 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 61%, its chroma 0.087 and its hue 71°. Its hue sits on the warm side of the wheel. The nearest named color is Puce (#A57E52), ΔE 0.018 away. Black text reads best on it, at 5.37:1.
| Hue family | Browns |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.087) |
| Temperature | warm |
| Nearest name | Puce (#A57E52) |
| Black text | 5.37:1 |
| White text | 3.90:1 |
Values
| HEX | #A37945 |
| RGB | rgb(163, 121, 69) |
| HSL | hsl(33, 41%, 45%) |
| OKLCH | oklch(60.7% 0.087 70.8) |
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 #A37945 | 3.90:1 | AA large text | Lc -71.9 | Content text, not long reading |
| Black text on #A37945 | 5.37:1 | AA | Lc 37.7 | Non-text elements, placeholder text |
| #A37945 text on white | 3.90:1 | AA large text | Lc 66.4 | Content text, not long reading |
| #A37945 text on black | 5.37:1 | AA | Lc -35.3 | 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
#EFE9E1
oklch(93.7% 0.013 75.4)
-
Step 200
200
#E3D7C9
oklch(88.5% 0.023 71.8)
-
Step 300
300
#D3BDA3
oklch(81% 0.043 71.8)
-
Step 400
400
#BC9A72
oklch(70.8% 0.068 70.9)
-
Step 500
500 (this color)
#A37945
oklch(60.7% 0.087 70.8)
-
Step 600
600
#96692E
oklch(55.6% 0.095 70.9)
-
Step 700
700
#805721
oklch(49.1% 0.088 70.3)
-
Step 800
800
#68481D
oklch(42.8% 0.073 71.5)
-
Step 900
900
#553C1E
oklch(37.7% 0.057 69.7)
-
Step 950
950
#322312
oklch(27% 0.036 68.7)
#A37945 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) | #887B40 | 0.046 |
| Deuteranopia (no green cones) | #928546 | 0.041 |
| Tritanopia (no blue cones) | #B06F6D | 0.071 |
| Achromatopsia (no color) | #818181 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A37945
#A37945
oklch(60.7% 0.087 70.8)
- #5A86B5
#5A86B5
oklch(60.8% 0.087 251)
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 #A37945, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Puce #A57E52 ΔE 0.018
- Tan Brown #AB7E4C ΔE 0.021
- Leather #AC7434 ΔE 0.021
- Mocha #9D7651 ΔE 0.021
- Coffee #A6814C ΔE 0.022
- Light Brown #AD8150 ΔE 0.029
- Clay Brown #B2713D ΔE 0.030
- Caramel #AF6F09 ΔE 0.042
Use #A37945 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.