#A3552D
Closest named color: Sienna (#A0522D). oklch(53.6% 0.116 46.1), rgb(163, 85, 45).
Aa
White text reads best on this color (5.39:1).
About this color
#A3552D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.116 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.010 away. White text reads best on it, at 5.39:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.116) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.89:1 |
| White text | 5.39:1 |
Values
| HEX | #A3552D |
| RGB | rgb(163, 85, 45) |
| HSL | hsl(20, 57%, 41%) |
| OKLCH | oklch(53.6% 0.116 46.1) |
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 #A3552D | 5.39:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #A3552D | 3.89:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #A3552D text on white | 5.39:1 | AA | Lc 76.5 | Fine for body text |
| #A3552D text on black | 3.89:1 | AA large text | Lc -25.3 | 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
#F3E7E2
oklch(93.6% 0.015 44.2)
-
Step 200
200
#EAD4C9
oklch(88.5% 0.029 48.4)
-
Step 300
300
#DEB7A5
oklch(80.9% 0.052 46.1)
-
Step 400
400
#CD9074
oklch(70.7% 0.084 45.6)
-
Step 500
500
#BE7450
oklch(63.1% 0.106 46.2)
-
Step 600
600 (this color)
#A3552D
oklch(53.6% 0.116 46.1)
-
Step 700
700
#914A26
oklch(49% 0.108 45.8)
-
Step 800
800
#763D21
oklch(42.6% 0.089 45.5)
-
Step 900
900
#603520
oklch(37.8% 0.07 46)
-
Step 950
950
#381F13
oklch(26.9% 0.044 46)
#A3552D 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) | #6B6029 | 0.104 |
| Deuteranopia (no green cones) | #7D712C | 0.096 |
| Tritanopia (no blue cones) | #B3454C | 0.065 |
| Achromatopsia (no color) | #6A6A6A | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3552D
#A3552D
oklch(53.6% 0.116 46.1)
- #00799B
#00799B
oklch(53.7% 0.103 226.1)
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 #A3552D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.010
- Cinnamon #AC4F06 ΔE 0.026
- Sepia #985E2B ΔE 0.029
- Raw Umber #A75E09 ΔE 0.037
- Earth #A2653E ΔE 0.038
- Burnt Umber #A0450E ΔE 0.038
- Warm Brown #964E02 ΔE 0.041
- Burnt Siena #B75203 ΔE 0.041
Use #A3552D 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.