#A75431
Closest named color: Sienna (#A0522D). oklch(54% 0.12 42.5), rgb(167, 84, 49).
Aa
White text reads best on this color (5.30:1).
About this color
#A75431 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.120 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.015 away. White text reads best on it, at 5.30:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.120) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.95:1 |
| White text | 5.30:1 |
Values
| HEX | #A75431 |
| RGB | rgb(167, 84, 49) |
| HSL | hsl(18, 55%, 42%) |
| OKLCH | oklch(54% 0.12 42.5) |
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 #A75431 | 5.30:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #A75431 | 3.95:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #A75431 text on white | 5.30:1 | AA | Lc 76.0 | Fine for body text |
| #A75431 text on black | 3.95:1 | AA large text | Lc -25.8 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F4E7E2
oklch(93.7% 0.016 42.4)
-
Step 200
200
#EBD3CA
oklch(88.4% 0.03 41.7)
-
Step 300
300
#E0B6A6
oklch(80.9% 0.054 41.9)
-
Step 400
400
#CF8F76
oklch(70.7% 0.086 42.2)
-
Step 500
500
#C17252
oklch(63.2% 0.11 42.5)
-
Step 600
600 (this color)
#A75431
oklch(54% 0.12 42.5)
-
Step 700
700
#944828
oklch(49.1% 0.112 42.4)
-
Step 800
800
#783C22
oklch(42.8% 0.092 43.1)
-
Step 900
900
#613421
oklch(37.8% 0.072 43.1)
-
Step 950
950
#391F14
oklch(27.1% 0.045 43.4)
#A75431 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) | #6B602D | 0.111 |
| Deuteranopia (no green cones) | #7F7230 | 0.101 |
| Tritanopia (no blue cones) | #B7434C | 0.063 |
| Achromatopsia (no color) | #6B6B6B | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A75431
#A75431
oklch(54% 0.12 42.5)
- #007B99
#007B99
oklch(54.1% 0.1 222.7)
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 #A75431, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.015
- Cinnamon #AC4F06 ΔE 0.026
- Sepia #985E2B ΔE 0.037
- Burnt Siena #B75203 ΔE 0.038
- Earth #A2653E ΔE 0.039
- Burnt Umber #A0450E ΔE 0.041
- Raw Umber #A75E09 ΔE 0.041
- Warm Brown #964E02 ΔE 0.048
Use #A75431 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.