#A75131
Closest named color: Sienna (#A0522D). oklch(53.6% 0.122 40.4), rgb(167, 81, 49).
Aa
White text reads best on this color (5.43:1).
About this color
#A75131 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.122 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.014 away. White text reads best on it, at 5.43:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.122) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.86:1 |
| White text | 5.43:1 |
Values
| HEX | #A75131 |
| RGB | rgb(167, 81, 49) |
| HSL | hsl(16, 55%, 42%) |
| OKLCH | oklch(53.6% 0.122 40.4) |
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 #A75131 | 5.43:1 | AA | Lc -81.9 | Fine for body text |
| Black text on #A75131 | 3.86:1 | AA large text | Lc 27.5 | Dividers and decoration only |
| #A75131 text on white | 5.43:1 | AA | Lc 76.6 | Fine for body text |
| #A75131 text on black | 3.86:1 | AA large text | Lc -25.1 | 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
#ECD3CA
oklch(88.5% 0.031 40.9)
-
Step 300
300
#E1B5A6
oklch(80.8% 0.055 39.7)
-
Step 400
400
#D08E76
oklch(70.7% 0.088 40.8)
-
Step 500
500
#C27053
oklch(63% 0.112 40.1)
-
Step 600
600 (this color)
#A75131
oklch(53.6% 0.122 40.4)
-
Step 700
700
#954729
oklch(49.1% 0.114 40.9)
-
Step 800
800
#793B23
oklch(42.8% 0.094 41.2)
-
Step 900
900
#623322
oklch(37.8% 0.073 40.4)
-
Step 950
950
#3A1E14
oklch(27.1% 0.047 40.3)
#A75131 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) | #685E2E | 0.117 |
| Deuteranopia (no green cones) | #7D712F | 0.108 |
| Tritanopia (no blue cones) | #B7404A | 0.060 |
| Achromatopsia (no color) | #6A6A6A | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A75131
#A75131
oklch(53.6% 0.122 40.4)
- #007A95
#007A95
oklch(53.6% 0.098 220.4)
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 #A75131, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.014
- Cinnamon #AC4F06 ΔE 0.028
- Burnt Umber #A0450E ΔE 0.037
- Burnt Siena #B75203 ΔE 0.040
- Sepia #985E2B ΔE 0.042
- Earth #A2653E ΔE 0.046
- Raw Umber #A75E09 ΔE 0.047
- Warm Brown #964E02 ΔE 0.048
Use #A75131 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.