#A637B7#A637B7

#A637B7 is a mid, highly saturated purple. Relative luminance 0.143; OKLCH L 54.9% C 0.208 H 322.1°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#A637B7
RGB	rgb(166, 55, 183)
HSL	hsl(292, 54%, 47%)
HSV	hsv(292, 70%, 72%)
CMYK	cmyk(9.3%, 69.9%, 0%, 28.2%)
CIE-LAB	lab(44.60, 61.84, -45.79)
CIE-LCH	lch(44.60, 76.95, 323.48°)
OKLab	oklab(54.94% 0.164 -0.1279)
OKLCH	oklch(54.94% 0.208 322.1)
XYZ	xyz(25.6384, 14.2597, 46.1925)
Luminance	0.1426 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A637B7 #48B737

analogous

#6637B7 #A637B7 #B73788

triadic

#A637B7 #B7A637 #37B7A6

tetradic

#A637B7 #B76637 #48B737 #3788B7

square

#A637B7 #B76637 #48B737 #3788B7

split-complementary

#A637B7 #88B737 #37B766

monochromatic

#511B59 #7B2988 #A637B7 #BF5DCE #D28CDC

Accessibility & contrast

On white

5.45

#A637B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#A637B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A637B7

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A637B7	#FFFFFF	#000000	##FFFFFF
##A637B7	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0461BB

Deuteranopia (green-blind)

#486EB4

Tritanopia (blue-blind)

#A84E73

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #a637b7;
/* rgb */ color: rgb(166, 55, 183);
/* oklch */ color: oklch(54.9% 0.208 322.1);

Tailwind

colors: {
  custom: {
    50: '#c478cd',
    500: '#a637b7',
    950: '#000000',
  },
}

SCSS

$custom: #a637b7;
$custom-light: #c478cd;
$custom-dark: #000000;

JSON

{
  "hex": "#a637b7",
  "rgb": {
    "r": 166,
    "g": 55,
    "b": 183
  },
  "hsl": {
    "h": 292.031,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.54938,
    "c": 0.20795,
    "h": 322.1
  },
  "luminance": 0.14258
}

Semantic roles & 50–950 ramp

primary

#A637B7

secondary

#8CC783

accent

#DD4B5E

background

#FCF7FC

surface

#F8EEF9

border

#D1C9D2

text

#130A13

muted

#827C82

Preview Lab

Preview with #A637B7

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

Preview Lab → · Contrast checker → · Palette generator →