#A3771B
Closest named color: Bronze (#A87900). oklch(59.8% 0.115 80.4), rgb(163, 119, 27).
Aa
Black text reads best on this color (5.21:1).
About this color
#A3771B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 60%, its chroma 0.115 and its hue 80°. Its hue sits on the warm side of the wheel. The nearest named color is Bronze (#A87900), ΔE 0.014 away. Black text reads best on it, at 5.21:1.
| Hue family | Browns |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.115) |
| Temperature | warm |
| Nearest name | Bronze (#A87900) |
| Black text | 5.21:1 |
| White text | 4.02:1 |
Values
| HEX | #A3771B |
| RGB | rgb(163, 119, 27) |
| HSL | hsl(41, 72%, 37%) |
| OKLCH | oklch(59.8% 0.115 80.4) |
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 #A3771B | 4.02:1 | AA large text | Lc -72.9 | Content text, not long reading |
| Black text on #A3771B | 5.21:1 | AA | Lc 36.7 | Non-text elements, placeholder text |
| #A3771B text on white | 4.02:1 | AA large text | Lc 67.4 | Content text, not long reading |
| #A3771B text on black | 5.21:1 | AA | Lc -34.3 | 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
#F8F5F0
oklch(97.1% 0.007 80.7)
-
Step 100
100
#F0E9DE
oklch(93.6% 0.017 79.3)
-
Step 200
200
#E4D7C3
oklch(88.4% 0.03 78.8)
-
Step 300
300
#D4BD98
oklch(80.9% 0.056 79.6)
-
Step 400
400
#BE9B5D
oklch(70.8% 0.09 80.8)
-
Step 500
500 (this color)
#A3771B
oklch(59.8% 0.115 80.4)
-
Step 600
600
#966A00
oklch(55.5% 0.115 79.9)
-
Step 700
700
#7E5900
oklch(49% 0.101 80.5)
-
Step 800
800
#684900
oklch(42.8% 0.089 80.7)
-
Step 900
900
#563C05
oklch(37.6% 0.075 79.8)
-
Step 950
950
#322407
oklch(27.1% 0.048 82.3)
#A3771B 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) | #887804 | 0.048 |
| Deuteranopia (no green cones) | #938320 | 0.039 |
| Tritanopia (no blue cones) | #B26A66 | 0.101 |
| Achromatopsia (no color) | #7F7F7F | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3771B
#A3771B
oklch(59.8% 0.115 80.4)
- #577FC4
#577FC4
oklch(59.8% 0.115 260.7)
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 #A3771B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bronze #A87900 ΔE 0.014
- Caramel #AF6F09 ΔE 0.026
- Mustard Brown #AC7E04 ΔE 0.027
- Leather #AC7434 ΔE 0.028
- Golden Brown #B27A01 ΔE 0.028
- Hazel #8E7618 ΔE 0.037
- Coffee #A6814C ΔE 0.043
- Tan Brown #AB7E4C ΔE 0.045
Use #A3771B 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.