#A638D5#A638D5

#A638D5 is a mid, highly saturated purple. Relative luminance 0.157; OKLCH L 57.0% C 0.233 H 313.4°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#A638D5
RGB	rgb(166, 56, 213)
HSL	hsl(282, 65%, 53%)
HSV	hsv(282, 74%, 84%)
CMYK	cmyk(22.1%, 73.7%, 0%, 16.5%)
CIE-LAB	lab(46.63, 67.21, -59.93)
CIE-LCH	lch(46.63, 90.05, 318.28°)
OKLab	oklab(56.99% 0.1603 -0.1693)
OKLCH	oklch(56.99% 0.233 313.4)
XYZ	xyz(29.1482, 15.7404, 64.4406)
Luminance	0.1574 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A638D5 #67D538

analogous

#5738D5 #A638D5 #D538B6

triadic

#A638D5 #D5A638 #38D5A6

tetradic

#A638D5 #D55738 #67D538 #38B6D5

square

#A638D5 #D55738 #67D538 #38B6D5

split-complementary

#A638D5 #B6D538 #38D557

monochromatic

#5C1A79 #8324AC #A638D5 #BD6BE0 #D39DEA

Accessibility & contrast

On white

5.06

#A638D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#A638D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A638D5

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A638D5	#FFFFFF	#000000	##FFFFFF
##A638D5	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D9

Deuteranopia (green-blind)

#2971D2

Tritanopia (blue-blind)

#A15B84

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #a638d5;
/* rgb */ color: rgb(166, 56, 213);
/* oklch */ color: oklch(57.0% 0.233 313.4);

Tailwind

colors: {
  custom: {
    50: '#c579e3',
    500: '#a638d5',
    950: '#000000',
  },
}

SCSS

$custom: #a638d5;
$custom-light: #c579e3;
$custom-dark: #000000;

JSON

{
  "hex": "#a638d5",
  "rgb": {
    "r": 166,
    "g": 56,
    "b": 213
  },
  "hsl": {
    "h": 282.038,
    "s": 65.145,
    "l": 52.745
  },
  "oklch": {
    "l": 0.56988,
    "c": 0.23313,
    "h": 313.4
  },
  "luminance": 0.15739
}

Semantic roles & 50–950 ramp

primary

#A638D5

secondary

#A7D692

accent

#E84072

background

#FCF7FE

surface

#F9EEFC

border

#D2C9D5

text

#130A15

muted

#827C84

Preview Lab

Preview with #A638D5

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

Preview Lab → · Contrast checker → · Palette generator →