#A4539E
Closest named color: Light Plum (#9D5783). oklch(56.7% 0.143 330.1), rgb(164, 83, 158).
Aa
White text reads best on this color (4.87:1).
About this color
#A4539E is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.143 and its hue 330°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Plum (#9D5783), ΔE 0.047 away. White text reads best on it, at 4.87:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Light Plum (#9D5783) |
| Black text | 4.30:1 |
| White text | 4.87:1 |
Values
| HEX | #A4539E |
| RGB | rgb(164, 83, 158) |
| HSL | hsl(304, 33%, 48%) |
| OKLCH | oklch(56.7% 0.143 330.1) |
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 #A4539E | 4.87:1 | AA | Lc -78.8 | Fine for body text |
| Black text on #A4539E | 4.30:1 | AA large text | Lc 30.7 | Non-text elements, placeholder text |
| #A4539E text on white | 4.87:1 | AA | Lc 73.4 | Content text, not long reading |
| #A4539E text on black | 4.30:1 | AA large text | Lc -28.3 | 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
#F9F3F8
oklch(97% 0.009 330.9)
-
Step 100
100
#F1E6F0
oklch(93.6% 0.018 328.5)
-
Step 200
200
#E7D1E5
oklch(88.5% 0.036 328.7)
-
Step 300
300
#D9B2D5
oklch(80.9% 0.065 329.5)
-
Step 400
400
#C589BF
oklch(70.7% 0.102 330.1)
-
Step 500
500
#B56AAF
oklch(63.1% 0.131 329.9)
-
Step 600
600 (this color)
#A4539E
oklch(56.7% 0.143 330.1)
-
Step 700
700
#894084
oklch(49.1% 0.133 330)
-
Step 800
800
#6F356B
oklch(42.6% 0.11 329.9)
-
Step 900
900
#5A2F57
oklch(37.6% 0.085 329.7)
-
Step 950
950
#351C33
oklch(27% 0.054 329.9)
#A4539E 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) | #4F6AA1 | 0.142 |
| Deuteranopia (no green cones) | #66759C | 0.127 |
| Tritanopia (no blue cones) | #A95A71 | 0.078 |
| Achromatopsia (no color) | #717171 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4539E
#A4539E
oklch(56.7% 0.143 330.1)
- #1F8D46
#1F8D46
oklch(56.7% 0.143 150.1)
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 #A4539E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Plum #9D5783 ΔE 0.047
- Amethyst #9B5FC0 ΔE 0.056
- Deep Lavender #8D5EB7 ΔE 0.057
- Dark Lilac #9C6DA5 ΔE 0.061
- Purply #983FB2 ΔE 0.064
- Soft Purple #A66FB5 ΔE 0.068
- Light Eggplant #894585 ΔE 0.071
- Dark Lavender #856798 ΔE 0.071
Use #A4539E 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.