#6639BB#6639BB

#6639BB is a mid, vivid violet. Relative luminance 0.093; OKLCH L 47.5% C 0.192 H 293.6°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#6639BB
RGB	rgb(102, 57, 187)
HSL	hsl(261, 53%, 48%)
HSV	hsv(261, 70%, 73%)
CMYK	cmyk(45.5%, 69.5%, 0%, 26.7%)
CIE-LAB	lab(36.63, 48.71, -61.44)
CIE-LCH	lch(36.63, 78.41, 308.41°)
OKLab	oklab(47.51% 0.077 -0.1759)
OKLCH	oklch(47.51% 0.192 293.6)
XYZ	xyz(15.9098, 9.3384, 47.9683)
Luminance	0.0934 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 2.78

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6639BB #8EBB39

analogous

#394DBB #6639BB #A739BB

triadic

#6639BB #BB6639 #39BB66

tetradic

#6639BB #BB394D #8EBB39 #39BBA7

square

#6639BB #BB394D #8EBB39 #39BBA7

split-complementary

#6639BB #BBA739 #4DBB39

monochromatic

#331C5D #4C2B8C #6639BB #8862CF #AB91DD

Accessibility & contrast

On white

7.32

#6639BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#6639BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6639BB

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6639BB	#FFFFFF	#000000	##FFFFFF
##6639BB	1.00	7.32	2.87	7.32
#FFFFFF	7.32	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BF

Deuteranopia (green-blind)

#0054B8

Tritanopia (blue-blind)

#4D5976

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #6639bb;
/* rgb */ color: rgb(102, 57, 187);
/* oklch */ color: oklch(47.5% 0.192 293.6);

Tailwind

colors: {
  custom: {
    50: '#9973d0',
    500: '#6639bb',
    950: '#000000',
  },
}

SCSS

$custom: #6639bb;
$custom-light: #9973d0;
$custom-dark: #000000;

JSON

{
  "hex": "#6639bb",
  "rgb": {
    "r": 102,
    "g": 57,
    "b": 187
  },
  "hsl": {
    "h": 260.769,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.47512,
    "c": 0.192,
    "h": 293.6
  },
  "luminance": 0.09339
}

Semantic roles & 50–950 ramp

primary

#6639BB

secondary

#B2C887

accent

#DD4BAA

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0F0814

muted

#7E7B82

Preview Lab

Preview with #6639BB

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

Preview Lab → · Contrast checker → · Palette generator →