#6637C4#6637C4

#6637C4 is a mid, highly saturated violet. Relative luminance 0.095; OKLCH L 48.0% C 0.205 H 292.1°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#6637C4
RGB	rgb(102, 55, 196)
HSL	hsl(260, 56%, 49%)
HSV	hsv(260, 72%, 77%)
CMYK	cmyk(48%, 71.9%, 0%, 23.1%)
CIE-LAB	lab(37.01, 52.16, -66.10)
CIE-LCH	lch(37.01, 84.20, 308.28°)
OKLab	oklab(48.01% 0.0771 -0.1896)
OKLCH	oklch(48.01% 0.205 292.1)
XYZ	xyz(16.8067, 9.5421, 53.1701)
Luminance	0.0954 (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

#6637C4 #95C437

analogous

#374FC4 #6637C4 #AD37C4

triadic

#6637C4 #C46637 #37C466

tetradic

#6637C4 #C4374F #95C437 #37C4AD

square

#6637C4 #C4374F #95C437 #37C4AD

split-complementary

#6637C4 #C4AD37 #4FC437

monochromatic

#341C64 #4D2A94 #6637C4 #8A65D4 #AE94E1

Accessibility & contrast

On white

7.22

#6637C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#6637C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6637C4

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6637C4	#FFFFFF	#000000	##FFFFFF
##6637C4	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C8

Deuteranopia (green-blind)

#0054C1

Tritanopia (blue-blind)

#485C7A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #6637c4;
/* rgb */ color: rgb(102, 55, 196);
/* oklch */ color: oklch(48.0% 0.205 292.1);

Tailwind

colors: {
  custom: {
    50: '#9a72d7',
    500: '#6637c4',
    950: '#000000',
  },
}

SCSS

$custom: #6637c4;
$custom-light: #9a72d7;
$custom-dark: #000000;

JSON

{
  "hex": "#6637c4",
  "rgb": {
    "r": 102,
    "g": 55,
    "b": 196
  },
  "hsl": {
    "h": 260,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.48012,
    "c": 0.20465,
    "h": 292.1
  },
  "luminance": 0.09543
}

Semantic roles & 50–950 ramp

primary

#6637C4

secondary

#B6CC8B

accent

#DF48AD

background

#FAF7FD

surface

#F3EDFA

border

#CDC8D3

text

#0F0814

muted

#7F7B83

Preview Lab

Preview with #6637C4

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

Preview Lab → · Contrast checker → · Palette generator →