#6637B7#6637B7

#6637B7 is a mid, vivid violet. Relative luminance 0.090; OKLCH L 46.9% C 0.190 H 294.8°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#6637B7
RGB	rgb(102, 55, 183)
HSL	hsl(262, 54%, 47%)
HSV	hsv(262, 70%, 72%)
CMYK	cmyk(44.3%, 69.9%, 0%, 28.2%)
CIE-LAB	lab(35.94, 48.66, -60.21)
CIE-LCH	lch(35.94, 77.41, 308.94°)
OKLab	oklab(46.92% 0.0796 -0.1723)
OKLCH	oklch(46.92% 0.19 294.8)
XYZ	xyz(15.3906, 8.9757, 45.7121)
Luminance	0.0898 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 3.52

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6637B7 #88B737

analogous

#3748B7 #6637B7 #A637B7

triadic

#6637B7 #B76637 #37B766

tetradic

#6637B7 #B73748 #88B737 #37B7A6

square

#6637B7 #B73748 #88B737 #37B7A6

split-complementary

#6637B7 #B7A637 #48B737

monochromatic

#321B59 #4C2988 #6637B7 #875DCE #AA8CDC

Accessibility & contrast

On white

7.51

#6637B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#6637B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6637B7

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6637B7	#FFFFFF	#000000	##FFFFFF
##6637B7	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BB

Deuteranopia (green-blind)

#0052B4

Tritanopia (blue-blind)

#505773

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #6637b7;
/* rgb */ color: rgb(102, 55, 183);
/* oklch */ color: oklch(46.9% 0.190 294.8);

Tailwind

colors: {
  custom: {
    50: '#9972ce',
    500: '#6637b7',
    950: '#000000',
  },
}

SCSS

$custom: #6637b7;
$custom-light: #9972ce;
$custom-dark: #000000;

JSON

{
  "hex": "#6637b7",
  "rgb": {
    "r": 102,
    "g": 55,
    "b": 183
  },
  "hsl": {
    "h": 262.031,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.4692,
    "c": 0.18978,
    "h": 294.8
  },
  "luminance": 0.08976
}

Semantic roles & 50–950 ramp

primary

#6637B7

secondary

#AEC783

accent

#DD4BA7

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0E0814

muted

#7E7B82

Preview Lab

Preview with #6637B7

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

Preview Lab → · Contrast checker → · Palette generator →