#6637C7#6637C7

#6637C7 is a mid, highly saturated violet. Relative luminance 0.097; OKLCH L 48.3% C 0.208 H 291.6°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#6637C7
RGB	rgb(102, 55, 199)
HSL	hsl(260, 57%, 50%)
HSV	hsv(260, 72%, 78%)
CMYK	cmyk(48.7%, 72.4%, 0%, 22%)
CIE-LAB	lab(37.26, 52.97, -67.44)
CIE-LCH	lch(37.26, 85.75, 308.15°)
OKLab	oklab(48.27% 0.0764 -0.1935)
OKLCH	oklch(48.27% 0.208 291.6)
XYZ	xyz(17.1516, 9.6800, 54.9865)
Luminance	0.0968 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6637C7 #98C737

analogous

#3750C7 #6637C7 #AE37C7

triadic

#6637C7 #C76637 #37C766

tetradic

#6637C7 #C73750 #98C737 #37C7AE

square

#6637C7 #C73750 #98C737 #37C7AE

split-complementary

#6637C7 #C7AE37 #50C737

monochromatic

#351C67 #4D2A97 #6637C7 #8A66D5 #AF96E2

Accessibility & contrast

On white

7.15

#6637C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#6637C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6637C7

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6637C7	#FFFFFF	#000000	##FFFFFF
##6637C7	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ACB

Deuteranopia (green-blind)

#0055C4

Tritanopia (blue-blind)

#465D7C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #6637c7;
/* rgb */ color: rgb(102, 55, 199);
/* oklch */ color: oklch(48.3% 0.208 291.6);

Tailwind

colors: {
  custom: {
    50: '#9a72d9',
    500: '#6637c7',
    950: '#000000',
  },
}

SCSS

$custom: #6637c7;
$custom-light: #9a72d9;
$custom-dark: #000000;

JSON

{
  "hex": "#6637c7",
  "rgb": {
    "r": 102,
    "g": 55,
    "b": 199
  },
  "hsl": {
    "h": 259.583,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.48271,
    "c": 0.20804,
    "h": 291.6
  },
  "luminance": 0.09681
}

Semantic roles & 50–950 ramp

primary

#6637C7

secondary

#B8CD8C

accent

#E048AE

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0815

muted

#7F7B83

Preview Lab

Preview with #6637C7

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

Preview Lab → · Contrast checker → · Palette generator →