#A7539E
Closest named color: Light Plum (#9D5783). oklch(57.1% 0.145 331.4), rgb(167, 83, 158).
Aa
White text reads best on this color (4.80:1).
About this color
#A7539E is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.145 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 0.049 away. White text reads best on it, at 4.80:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Light Plum (#9D5783) |
| Black text | 4.37:1 |
| White text | 4.80:1 |
Values
| HEX | #A7539E |
| RGB | rgb(167, 83, 158) |
| HSL | hsl(306, 34%, 49%) |
| OKLCH | oklch(57.1% 0.145 331.4) |
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 #A7539E | 4.80:1 | AA | Lc -78.3 | Fine for body text |
| Black text on #A7539E | 4.37:1 | AA large text | Lc 31.2 | Non-text elements, placeholder text |
| #A7539E text on white | 4.80:1 | AA | Lc 72.9 | Content text, not long reading |
| #A7539E text on black | 4.37:1 | AA large text | Lc -28.8 | 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
#F2E5F0
oklch(93.5% 0.02 330.7)
-
Step 200
200
#E8D1E4
oklch(88.5% 0.036 331.6)
-
Step 300
300
#DAB2D4
oklch(80.9% 0.065 331.2)
-
Step 400
400
#C788BE
oklch(70.7% 0.105 331.8)
-
Step 500
500
#B769AE
oklch(63.1% 0.133 331.3)
-
Step 600
600 (this color)
#A7539E
oklch(57.1% 0.145 331.4)
-
Step 700
700
#8B3F83
oklch(49.2% 0.135 331.6)
-
Step 800
800
#71346A
oklch(42.7% 0.113 331.9)
-
Step 900
900
#5B2E56
oklch(37.6% 0.087 331.4)
-
Step 950
950
#361C33
oklch(27.2% 0.055 331.3)
#A7539E 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) | #506BA1 | 0.146 |
| Deuteranopia (no green cones) | #68769C | 0.129 |
| Tritanopia (no blue cones) | #AD5971 | 0.077 |
| Achromatopsia (no color) | #727272 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A7539E
#A7539E
oklch(57.1% 0.145 331.4)
- #158F49
#158F49
oklch(57.2% 0.146 151.5)
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 #A7539E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Plum #9D5783 ΔE 0.049
- Amethyst #9B5FC0 ΔE 0.057
- Deep Lavender #8D5EB7 ΔE 0.061
- Dark Lilac #9C6DA5 ΔE 0.061
- Soft Purple #A66FB5 ΔE 0.067
- Purply #983FB2 ΔE 0.067
- Deep Lilac #966EBD ΔE 0.073
- Dark Lavender #856798 ΔE 0.075
Use #A7539E 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.