#A3564D
Closest named color: Sienna (#A0522D). oklch(54.3% 0.103 27.9), rgb(163, 86, 77).
Aa
White text reads best on this color (5.25:1).
About this color
#A3564D is a medium-dark, moderately saturated red. In OKLCH its lightness is 54%, its chroma 0.103 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.038 away. White text reads best on it, at 5.25:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.103) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.99:1 |
| White text | 5.25:1 |
Values
| HEX | #A3564D |
| RGB | rgb(163, 86, 77) |
| HSL | hsl(6, 36%, 47%) |
| OKLCH | oklch(54.3% 0.103 27.9) |
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 #A3564D | 5.25:1 | AA | Lc -81.1 | Fine for body text |
| Black text on #A3564D | 3.99:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #A3564D text on white | 5.25:1 | AA | Lc 75.8 | Fine for body text |
| #A3564D text on black | 3.99:1 | AA large text | Lc -26.0 | 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F3E7E5
oklch(93.7% 0.013 28.9)
-
Step 200
200
#EAD3D0
oklch(88.5% 0.026 26.6)
-
Step 300
300
#DDB6B0
oklch(80.9% 0.046 28.3)
-
Step 400
400
#CB8F87
oklch(70.7% 0.075 27.6)
-
Step 500
500
#BC7269
oklch(63% 0.095 27.5)
-
Step 600
600 (this color)
#A3564D
oklch(54.3% 0.103 27.9)
-
Step 700
700
#8F4941
oklch(49% 0.096 27.9)
-
Step 800
800
#743D36
oklch(42.7% 0.078 28.4)
-
Step 900
900
#5E342F
oklch(37.6% 0.062 27.6)
-
Step 950
950
#371F1C
oklch(27% 0.038 27.6)
#A3564D 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) | #68624C | 0.106 |
| Deuteranopia (no green cones) | #7B724C | 0.098 |
| Tritanopia (no blue cones) | #B14A54 | 0.039 |
| Achromatopsia (no color) | #6C6C6C | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3564D
#A3564D
oklch(54.3% 0.103 27.9)
- #007E8C
#007E8C
oklch(54.3% 0.093 208.4)
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 #A3564D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.038
- Light Maroon #A24857 ΔE 0.041
- Dusty Red #B9484E ΔE 0.048
- Earth #A2653E ΔE 0.048
- Dark Rose #B5485D ΔE 0.053
- Sepia #985E2B ΔE 0.055
- Dull Red #BB3F3F ΔE 0.057
- Light Burgundy #A8415B ΔE 0.058
Use #A3564D 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.