#A638D9#A638D9

#A638D9 is a mid, highly saturated purple. Relative luminance 0.159; OKLCH L 57.3% C 0.237 H 312.4°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#A638D9
RGB	rgb(166, 56, 217)
HSL	hsl(281, 68%, 54%)
HSV	hsv(281, 74%, 85%)
CMYK	cmyk(23.5%, 74.2%, 0%, 14.9%)
CIE-LAB	lab(46.90, 68.01, -61.78)
CIE-LCH	lch(46.90, 91.89, 317.75°)
OKLab	oklab(57.27% 0.1597 -0.1747)
OKLCH	oklch(57.27% 0.237 312.4)
XYZ	xyz(29.6622, 15.9459, 67.1475)
Luminance	0.1595 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A638D9 #6BD938

analogous

#5538D9 #A638D9 #D938BB

triadic

#A638D9 #D9A638 #38D9A6

tetradic

#A638D9 #D95538 #6BD938 #38BBD9

square

#A638D9 #D95538 #6BD938 #38BBD9

split-complementary

#A638D9 #BBD938 #38D955

monochromatic

#5E187E #8422B2 #A638D9 #BD6BE3 #D49FED

Accessibility & contrast

On white

5.01

#A638D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#A638D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A638D9

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A638D9	#FFFFFF	#000000	##FFFFFF
##A638D9	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ADD

Deuteranopia (green-blind)

#2271D6

Tritanopia (blue-blind)

#A05D86

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #a638d9;
/* rgb */ color: rgb(166, 56, 217);
/* oklch */ color: oklch(57.3% 0.237 312.4);

Tailwind

colors: {
  custom: {
    50: '#c579e6',
    500: '#a638d9',
    950: '#000000',
  },
}

SCSS

$custom: #a638d9;
$custom-light: #c579e6;
$custom-dark: #000000;

JSON

{
  "hex": "#a638d9",
  "rgb": {
    "r": 166,
    "g": 56,
    "b": 217
  },
  "hsl": {
    "h": 280.994,
    "s": 67.932,
    "l": 53.529
  },
  "oklch": {
    "l": 0.57266,
    "c": 0.2367,
    "h": 312.4
  },
  "luminance": 0.15945
}

Semantic roles & 50–950 ramp

primary

#A638D9

secondary

#AAD994

accent

#EB3D74

background

#FCF7FE

surface

#F9EEFC

border

#D2C9D5

text

#130A16

muted

#827C84

Preview Lab

Preview with #A638D9

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

Preview Lab → · Contrast checker → · Palette generator →