#A637BD#A637BD

#A637BD is a mid, highly saturated purple. Relative luminance 0.145; OKLCH L 55.3% C 0.213 H 320.2°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#A637BD
RGB	rgb(166, 55, 189)
HSL	hsl(290, 55%, 48%)
HSV	hsv(290, 71%, 74%)
CMYK	cmyk(12.2%, 70.9%, 0%, 25.9%)
CIE-LAB	lab(44.96, 62.95, -48.73)
CIE-LCH	lch(44.96, 79.61, 322.26°)
OKLab	oklab(55.31% 0.1637 -0.1364)
OKLCH	oklch(55.31% 0.213 320.2)
XYZ	xyz(26.2763, 14.5148, 49.5518)
Luminance	0.1451 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A637BD #4EBD37

analogous

#6337BD #A637BD #BD3791

triadic

#A637BD #BDA637 #37BDA6

tetradic

#A637BD #BD6337 #4EBD37 #3791BD

square

#A637BD #BD6337 #4EBD37 #3791BD

split-complementary

#A637BD #91BD37 #37BD63

monochromatic

#531B5E #7C298E #A637BD #BE60D1 #D190DF

Accessibility & contrast

On white

5.38

#A637BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#A637BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A637BD

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A637BD	#FFFFFF	#000000	##FFFFFF
##A637BD	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C1

Deuteranopia (green-blind)

#436EBA

Tritanopia (blue-blind)

#A75077

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #a637bd;
/* rgb */ color: rgb(166, 55, 189);
/* oklch */ color: oklch(55.3% 0.213 320.2);

Tailwind

colors: {
  custom: {
    50: '#c478d1',
    500: '#a637bd',
    950: '#000000',
  },
}

SCSS

$custom: #a637bd;
$custom-light: #c478d1;
$custom-dark: #000000;

JSON

{
  "hex": "#a637bd",
  "rgb": {
    "r": 166,
    "g": 55,
    "b": 189
  },
  "hsl": {
    "h": 289.701,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.5531,
    "c": 0.21313,
    "h": 320.2
  },
  "luminance": 0.14513
}

Semantic roles & 50–950 ramp

primary

#A637BD

secondary

#92C986

accent

#DE4A63

background

#FCF7FC

surface

#F8EEF9

border

#D1C9D2

text

#130A14

muted

#827C82

Preview Lab

Preview with #A637BD

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

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