#6639BF#6639BF

#6639BF is a mid, vivid violet. Relative luminance 0.095; OKLCH L 47.8% C 0.197 H 292.8°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#6639BF
RGB	rgb(102, 57, 191)
HSL	hsl(260, 54%, 49%)
HSV	hsv(260, 70%, 75%)
CMYK	cmyk(46.6%, 70.2%, 0%, 25.1%)
CIE-LAB	lab(36.95, 49.80, -63.27)
CIE-LCH	lch(36.95, 80.51, 308.21°)
OKLab	oklab(47.84% 0.0762 -0.1813)
OKLCH	oklch(47.84% 0.197 292.8)
XYZ	xyz(16.3440, 9.5121, 50.2550)
Luminance	0.0951 (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

#6639BF #92BF39

analogous

#394FBF #6639BF #A939BF

triadic

#6639BF #BF6639 #39BF66

tetradic

#6639BF #BF394F #92BF39 #39BFA9

square

#6639BF #BF394F #92BF39 #39BFA9

split-complementary

#6639BF #BFA939 #4FBF39

monochromatic

#341D61 #4D2B90 #6639BF #8964D1 #AD93DF

Accessibility & contrast

On white

7.23

#6639BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#6639BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6639BF

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6639BF	#FFFFFF	#000000	##FFFFFF
##6639BF	1.00	7.23	2.90	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C3

Deuteranopia (green-blind)

#0054BC

Tritanopia (blue-blind)

#4B5B78

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #6639bf;
/* rgb */ color: rgb(102, 57, 191);
/* oklch */ color: oklch(47.8% 0.197 292.8);

Tailwind

colors: {
  custom: {
    50: '#9973d3',
    500: '#6639bf',
    950: '#000000',
  },
}

SCSS

$custom: #6639bf;
$custom-light: #9973d3;
$custom-dark: #000000;

JSON

{
  "hex": "#6639bf",
  "rgb": {
    "r": 102,
    "g": 57,
    "b": 191
  },
  "hsl": {
    "h": 260.149,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.47844,
    "c": 0.19664,
    "h": 292.8
  },
  "luminance": 0.09513
}

Semantic roles & 50–950 ramp

primary

#6639BF

secondary

#B4CA8A

accent

#DD4AAC

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0814

muted

#7E7B83

Preview Lab

Preview with #6639BF

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

Preview Lab → · Contrast checker → · Palette generator →