#6644BB#6644BB

#6644BB is a mid, vivid violet. Relative luminance 0.105; OKLCH L 49.1% C 0.178 H 291.6°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#6644BB
RGB	rgb(102, 68, 187)
HSL	hsl(257, 47%, 50%)
HSV	hsv(257, 64%, 73%)
CMYK	cmyk(45.5%, 63.6%, 0%, 26.7%)
CIE-LAB	lab(38.81, 42.77, -57.90)
CIE-LCH	lch(38.81, 71.99, 306.45°)
OKLab	oklab(49.08% 0.0656 -0.1655)
OKLCH	oklch(49.08% 0.178 291.6)
XYZ	xyz(16.5138, 10.5463, 48.1696)
Luminance	0.1055 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 2.02

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6644BB #99BB44

analogous

#445DBB #6644BB #A244BB

triadic

#6644BB #BB6644 #44BB66

tetradic

#6644BB #BB445D #99BB44 #44BBA2

square

#6644BB #BB445D #99BB44 #44BBA2

split-complementary

#6644BB #BBA244 #5DBB44

monochromatic

#352361 #4E348E #6644BB #8B71CB #AF9EDC

Accessibility & contrast

On white

6.75

#6644BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#6644BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6644BB

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6644BB	#FFFFFF	#000000	##FFFFFF
##6644BB	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBF

Deuteranopia (green-blind)

#0059B9

Tritanopia (blue-blind)

#4D6079

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #6644bb;
/* rgb */ color: rgb(102, 68, 187);
/* oklch */ color: oklch(49.1% 0.178 291.6);

Tailwind

colors: {
  custom: {
    50: '#987ad0',
    500: '#6644bb',
    950: '#000000',
  },
}

SCSS

$custom: #6644bb;
$custom-light: #987ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#6644bb",
  "rgb": {
    "r": 102,
    "g": 68,
    "b": 187
  },
  "hsl": {
    "h": 257.143,
    "s": 46.667,
    "l": 50
  },
  "oklch": {
    "l": 0.49079,
    "c": 0.17805,
    "h": 291.6
  },
  "luminance": 0.10547
}

Semantic roles & 50–950 ramp

primary

#6644BB

secondary

#B9C893

accent

#D651B0

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0914

muted

#7E7B82

Preview Lab

Preview with #6644BB

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

Preview Lab → · Contrast checker → · Palette generator →