#A640B9#A640B9

#A640B9 is a mid, vivid purple. Relative luminance 0.153; OKLCH L 56.0% C 0.198 H 321.0°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#A640B9
RGB	rgb(166, 64, 185)
HSL	hsl(291, 49%, 49%)
HSV	hsv(291, 65%, 73%)
CMYK	cmyk(10.3%, 65.4%, 0%, 27.5%)
CIE-LAB	lab(46.01, 58.59, -44.72)
CIE-LCH	lch(46.01, 73.70, 322.65°)
OKLab	oklab(55.99% 0.1542 -0.1248)
OKLCH	oklch(55.99% 0.198 321)
XYZ	xyz(26.3152, 15.2779, 47.4523)
Luminance	0.1528 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A640B9 #53B940

analogous

#6A40B9 #A640B9 #B94090

triadic

#A640B9 #B9A640 #40B9A6

tetradic

#A640B9 #B96A40 #53B940 #4090B9

square

#A640B9 #B96A40 #53B940 #4090B9

split-complementary

#A640B9 #90B940 #40B96A

monochromatic

#54215E #7D308C #A640B9 #BC6BCC #D198DB

Accessibility & contrast

On white

5.18

#A640B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#A640B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A640B9

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A640B9	#FFFFFF	#000000	##FFFFFF
##A640B9	1.00	5.18	4.06	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E66BD

Deuteranopia (green-blind)

#4D71B6

Tritanopia (blue-blind)

#A75477

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #a640b9;
/* rgb */ color: rgb(166, 64, 185);
/* oklch */ color: oklch(56.0% 0.198 321.0);

Tailwind

colors: {
  custom: {
    50: '#c47cce',
    500: '#a640b9',
    950: '#000000',
  },
}

SCSS

$custom: #a640b9;
$custom-light: #c47cce;
$custom-dark: #000000;

JSON

{
  "hex": "#a640b9",
  "rgb": {
    "r": 166,
    "g": 64,
    "b": 185
  },
  "hsl": {
    "h": 290.579,
    "s": 48.594,
    "l": 48.824
  },
  "oklch": {
    "l": 0.55988,
    "c": 0.19835,
    "h": 321
  },
  "luminance": 0.15277
}

Semantic roles & 50–950 ramp

primary

#A640B9

secondary

#97C78E

accent

#D85065

background

#FCF7FC

surface

#F8EEF9

border

#D1C9D2

text

#130A14

muted

#827C82

Preview Lab

Preview with #A640B9

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →