#6639B9#6639B9

#6639B9 is a mid, vivid violet. Relative luminance 0.093; OKLCH L 47.3% C 0.190 H 294.0°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#6639B9
RGB	rgb(102, 57, 185)
HSL	hsl(261, 53%, 47%)
HSV	hsv(261, 69%, 73%)
CMYK	cmyk(44.9%, 69.2%, 0%, 27.5%)
CIE-LAB	lab(36.47, 48.17, -60.53)
CIE-LCH	lch(36.47, 77.36, 308.51°)
OKLab	oklab(47.35% 0.0773 -0.1732)
OKLCH	oklch(47.35% 0.19 294)
XYZ	xyz(15.6972, 9.2534, 46.8486)
Luminance	0.0925 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 2.99

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6639B9 #8CB939

analogous

#394CB9 #6639B9 #A639B9

triadic

#6639B9 #B96639 #39B966

tetradic

#6639B9 #B9394C #8CB939 #39B9A6

square

#6639B9 #B9394C #8CB939 #39B9A6

split-complementary

#6639B9 #B9A639 #4CB939

monochromatic

#321C5B #4C2B8A #6639B9 #8761CE #AB90DD

Accessibility & contrast

On white

7.37

#6639B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#6639B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6639B9

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6639B9	#FFFFFF	#000000	##FFFFFF
##6639B9	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BD

Deuteranopia (green-blind)

#0054B6

Tritanopia (blue-blind)

#4E5975

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #6639b9;
/* rgb */ color: rgb(102, 57, 185);
/* oklch */ color: oklch(47.3% 0.190 294.0);

Tailwind

colors: {
  custom: {
    50: '#9973cf',
    500: '#6639b9',
    950: '#000000',
  },
}

SCSS

$custom: #6639b9;
$custom-light: #9973cf;
$custom-dark: #000000;

JSON

{
  "hex": "#6639b9",
  "rgb": {
    "r": 102,
    "g": 57,
    "b": 185
  },
  "hsl": {
    "h": 261.094,
    "s": 52.893,
    "l": 47.451
  },
  "oklch": {
    "l": 0.47348,
    "c": 0.18969,
    "h": 294
  },
  "luminance": 0.09254
}

Semantic roles & 50–950 ramp

primary

#6639B9

secondary

#B1C886

accent

#DC4BA9

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0F0814

muted

#7E7B82

Preview Lab

Preview with #6639B9

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

Preview Lab → · Contrast checker → · Palette generator →