#A637B5#A637B5

#A637B5 is a mid, highly saturated purple. Relative luminance 0.142; OKLCH L 54.8% C 0.206 H 322.7°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#A637B5
RGB	rgb(166, 55, 181)
HSL	hsl(293, 53%, 46%)
HSV	hsv(293, 70%, 71%)
CMYK	cmyk(8.3%, 69.6%, 0%, 29%)
CIE-LAB	lab(44.49, 61.48, -44.80)
CIE-LCH	lch(44.49, 76.07, 323.92°)
OKLab	oklab(54.82% 0.1641 -0.125)
OKLCH	oklch(54.82% 0.206 322.7)
XYZ	xyz(25.4317, 14.1770, 45.1040)
Luminance	0.1418 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A637B5 #46B537

analogous

#6737B5 #A637B5 #B53785

triadic

#A637B5 #B5A637 #37B5A6

tetradic

#A637B5 #B56737 #46B537 #3785B5

square

#A637B5 #B56737 #46B537 #3785B5

split-complementary

#A637B5 #85B537 #37B567

monochromatic

#501A57 #7B2986 #A637B5 #C05CCD #D28BDC

Accessibility & contrast

On white

5.48

#A637B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#A637B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A637B5

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A637B5	#FFFFFF	#000000	##FFFFFF
##A637B5	1.00	5.48	3.84	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C61B9

Deuteranopia (green-blind)

#4A6DB2

Tritanopia (blue-blind)

#A84D72

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #a637b5;
/* rgb */ color: rgb(166, 55, 181);
/* oklch */ color: oklch(54.8% 0.206 322.7);

Tailwind

colors: {
  custom: {
    50: '#c478cc',
    500: '#a637b5',
    950: '#000000',
  },
}

SCSS

$custom: #a637b5;
$custom-light: #c478cc;
$custom-dark: #000000;

JSON

{
  "hex": "#a637b5",
  "rgb": {
    "r": 166,
    "g": 55,
    "b": 181
  },
  "hsl": {
    "h": 292.857,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.54816,
    "c": 0.20625,
    "h": 322.7
  },
  "luminance": 0.14176
}

Semantic roles & 50–950 ramp

primary

#A637B5

secondary

#8AC682

accent

#DD4B5C

background

#FCF7FC

surface

#F8EEF9

border

#D1C9D2

text

#130913

muted

#827B82

Preview Lab

Preview with #A637B5

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

Preview Lab → · Contrast checker → · Palette generator →