#6639CB#6639CB

#6639CB is a mid, highly saturated violet. Relative luminance 0.101; OKLCH L 48.9% C 0.210 H 290.5°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#6639CB
RGB	rgb(102, 57, 203)
HSL	hsl(258, 58%, 51%)
HSV	hsv(258, 72%, 80%)
CMYK	cmyk(49.8%, 71.9%, 0%, 20.4%)
CIE-LAB	lab(37.95, 53.07, -68.63)
CIE-LCH	lch(37.95, 86.76, 307.71°)
OKLab	oklab(48.86% 0.0738 -0.197)
OKLCH	oklch(48.86% 0.21 290.5)
XYZ	xyz(17.7190, 10.0621, 57.4969)
Luminance	0.1006 (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

#6639CB #9ECB39

analogous

#3955CB #6639CB #AF39CB

triadic

#6639CB #CB6639 #39CB66

tetradic

#6639CB #CB3955 #9ECB39 #39CBAF

square

#6639CB #CB3955 #9ECB39 #39CBAF

split-complementary

#6639CB #CBAF39 #55CB39

monochromatic

#351D6D #4D299D #6639CB #8B69D8 #B19AE4

Accessibility & contrast

On white

6.97

#6639CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#6639CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6639CB

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6639CB	#FFFFFF	#000000	##FFFFFF
##6639CB	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CCF

Deuteranopia (green-blind)

#0056C8

Tritanopia (blue-blind)

#43607E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #6639cb;
/* rgb */ color: rgb(102, 57, 203);
/* oklch */ color: oklch(48.9% 0.210 290.5);

Tailwind

colors: {
  custom: {
    50: '#9b73dc',
    500: '#6639cb',
    950: '#000000',
  },
}

SCSS

$custom: #6639cb;
$custom-light: #9b73dc;
$custom-dark: #000000;

JSON

{
  "hex": "#6639cb",
  "rgb": {
    "r": 102,
    "g": 57,
    "b": 203
  },
  "hsl": {
    "h": 258.493,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.48865,
    "c": 0.2104,
    "h": 290.5
  },
  "luminance": 0.10063
}

Semantic roles & 50–950 ramp

primary

#6639CB

secondary

#BCD090

accent

#E246B2

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0815

muted

#7F7B83

Preview Lab

Preview with #6639CB

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

Preview Lab → · Contrast checker → · Palette generator →