#A3571F
Closest named color: Sienna (#A0522D). oklch(53.8% 0.12 52.6), rgb(163, 87, 31).
Aa
White text reads best on this color (5.32:1).
About this color
#A3571F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.120 and its hue 53°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.021 away. White text reads best on it, at 5.32:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.120) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.94:1 |
| White text | 5.32:1 |
Values
| HEX | #A3571F |
| RGB | rgb(163, 87, 31) |
| HSL | hsl(25, 68%, 38%) |
| OKLCH | oklch(53.8% 0.12 52.6) |
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 #A3571F | 5.32:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #A3571F | 3.94:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #A3571F text on white | 5.32:1 | AA | Lc 76.1 | Fine for body text |
| #A3571F text on black | 3.94:1 | AA large text | Lc -25.6 | 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
#F3E7E0
oklch(93.6% 0.016 52.6)
-
Step 200
200
#EAD4C7
oklch(88.4% 0.03 52.7)
-
Step 300
300
#DEB8A1
oklch(81% 0.054 52.9)
-
Step 400
400
#CC926D
oklch(70.8% 0.087 53.4)
-
Step 500
500
#BE7546
oklch(63.1% 0.111 52.2)
-
Step 600
600 (this color)
#A3571F
oklch(53.8% 0.12 52.6)
-
Step 700
700
#914C18
oklch(49.2% 0.112 52.8)
-
Step 800
800
#763E17
oklch(42.7% 0.093 51.9)
-
Step 900
900
#5F361A
oklch(37.8% 0.072 53.1)
-
Step 950
950
#382010
oklch(27.1% 0.046 53.3)
#A3571F 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) | #6D6017 | 0.100 |
| Deuteranopia (no green cones) | #7F721E | 0.092 |
| Tritanopia (no blue cones) | #B3464C | 0.077 |
| Achromatopsia (no color) | #6B6B6B | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3571F
#A3571F
oklch(53.8% 0.12 52.6)
- #0078A3
#0078A3
oklch(53.8% 0.11 232.4)
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 #A3571F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.021
- Cinnamon #AC4F06 ΔE 0.022
- Sepia #985E2B ΔE 0.024
- Raw Umber #A75E09 ΔE 0.024
- Warm Brown #964E02 ΔE 0.037
- Earth #A2653E ΔE 0.037
- Burnt Siena #B75203 ΔE 0.037
- Raw Sienna #9A6200 ΔE 0.038
Use #A3571F 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.