#A3579B
Closest named color: Light Plum (#9D5783). oklch(57% 0.133 331.2), rgb(163, 87, 155).
Aa
White text reads best on this color (4.77:1).
About this color
#A3579B is a medium-dark, moderately saturated purple. In OKLCH its lightness is 57%, its chroma 0.133 and its hue 331°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Plum (#9D5783), ΔE 0.039 away. White text reads best on it, at 4.77:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.133) |
| Temperature | in between |
| Nearest name | Light Plum (#9D5783) |
| Black text | 4.39:1 |
| White text | 4.77:1 |
Values
| HEX | #A3579B |
| RGB | rgb(163, 87, 155) |
| HSL | hsl(306, 30%, 49%) |
| OKLCH | oklch(57% 0.133 331.2) |
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 #A3579B | 4.77:1 | AA | Lc -78.3 | Fine for body text |
| Black text on #A3579B | 4.39:1 | AA large text | Lc 31.2 | Non-text elements, placeholder text |
| #A3579B text on white | 4.77:1 | AA | Lc 72.8 | Content text, not long reading |
| #A3579B text on black | 4.39:1 | AA large text | Lc -28.9 | 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
#F9F4F8
oklch(97.2% 0.007 332.1)
-
Step 100
100
#F1E6EF
oklch(93.6% 0.017 331.6)
-
Step 200
200
#E7D2E3
oklch(88.6% 0.032 332.2)
-
Step 300
300
#D8B3D3
oklch(80.9% 0.06 330.6)
-
Step 400
400
#C48ABC
oklch(70.7% 0.097 331.4)
-
Step 500
500
#B36CAB
oklch(63% 0.122 331.1)
-
Step 600
600 (this color)
#A3579B
oklch(57% 0.133 331.2)
-
Step 700
700
#874380
oklch(49.1% 0.123 331.2)
-
Step 800
800
#6E3768
oklch(42.6% 0.103 331.4)
-
Step 900
900
#593055
oklch(37.6% 0.081 330.7)
-
Step 950
950
#341D32
oklch(27% 0.05 330)
#A3579B 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) | #546C9D | 0.132 |
| Deuteranopia (no green cones) | #697699 | 0.118 |
| Tritanopia (no blue cones) | #A85D72 | 0.071 |
| Achromatopsia (no color) | #727272 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3579B
#A3579B
oklch(57% 0.133 331.2)
- #2A8D4D
#2A8D4D
oklch(57.1% 0.133 151.1)
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 #A3579B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Plum #9D5783 ΔE 0.039
- Dark Lilac #9C6DA5 ΔE 0.052
- Deep Lavender #8D5EB7 ΔE 0.058
- Amethyst #9B5FC0 ΔE 0.058
- Soft Purple #A66FB5 ΔE 0.062
- Dark Lavender #856798 ΔE 0.063
- Faded Purple #916E99 ΔE 0.063
- Deep Lilac #966EBD ΔE 0.068
Use #A3579B 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.