#A75729
Closest named color: Sienna (#A0522D). oklch(54.5% 0.121 48), rgb(167, 87, 41).
Aa
White text reads best on this color (5.20:1).
About this color
#A75729 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.121 and its hue 48°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.020 away. White text reads best on it, at 5.20:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.121) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 4.03:1 |
| White text | 5.20:1 |
Values
| HEX | #A75729 |
| RGB | rgb(167, 87, 41) |
| HSL | hsl(22, 61%, 41%) |
| OKLCH | oklch(54.5% 0.121 48) |
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 #A75729 | 5.20:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #A75729 | 4.03:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #A75729 text on white | 5.20:1 | AA | Lc 75.3 | Fine for body text |
| #A75729 text on black | 4.03:1 | AA large text | Lc -26.4 | Dividers and decoration only |
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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F3E7E1
oklch(93.6% 0.015 48.6)
-
Step 200
200
#EBD4C8
oklch(88.6% 0.03 49.4)
-
Step 300
300
#DFB7A3
oklch(81% 0.054 48)
-
Step 400
400
#CE9071
oklch(70.7% 0.087 47.4)
-
Step 500
500
#BF734B
oklch(63% 0.111 47.7)
-
Step 600
600 (this color)
#A75729
oklch(54.5% 0.121 48)
-
Step 700
700
#924A1F
oklch(49.1% 0.112 48.4)
-
Step 800
800
#773D1C
oklch(42.7% 0.093 48)
-
Step 900
900
#60351D
oklch(37.8% 0.072 48.6)
-
Step 950
950
#381F12
oklch(26.9% 0.045 47.6)
#A75729 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) | #6E6224 | 0.106 |
| Deuteranopia (no green cones) | #817428 | 0.097 |
| Tritanopia (no blue cones) | #B7464D | 0.070 |
| Achromatopsia (no color) | #6D6D6D | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A75729
#A75729
oklch(54.5% 0.121 48)
- #007BA0
#007BA0
oklch(54.4% 0.106 227.9)
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 #A75729, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.020
- Cinnamon #AC4F06 ΔE 0.022
- Raw Umber #A75E09 ΔE 0.029
- Sepia #985E2B ΔE 0.031
- Burnt Siena #B75203 ΔE 0.032
- Earth #A2653E ΔE 0.033
- Orangey Brown #B16002 ΔE 0.039
- Copper #B66325 ΔE 0.044
Use #A75729 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.