#6647BC#6647BC

#6647BC is a mid, vivid violet. Relative luminance 0.110; OKLCH L 49.6% C 0.175 H 290.8°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#6647BC
RGB	rgb(102, 71, 188)
HSL	hsl(256, 47%, 51%)
HSV	hsv(256, 62%, 74%)
CMYK	cmyk(45.7%, 62.2%, 0%, 26.3%)
CIE-LAB	lab(39.52, 41.35, -57.34)
CIE-LCH	lch(39.52, 70.69, 305.80°)
OKLab	oklab(49.62% 0.0623 -0.1639)
OKLCH	oklch(49.62% 0.175 290.8)
XYZ	xyz(16.8073, 10.9615, 48.7974)
Luminance	0.1096 (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

#6647BC #9DBC47

analogous

#4762BC #6647BC #A047BC

triadic

#6647BC #BC6647 #47BC66

tetradic

#6647BC #BC4762 #9DBC47 #47BCA0

square

#6647BC #BC4762 #9DBC47 #47BCA0

split-complementary

#6647BC #BCA047 #62BC47

monochromatic

#352464 #4D3591 #6647BC #8B74CC #B1A1DD

Accessibility & contrast

On white

6.58

#6647BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#6647BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6647BC

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6647BC	#FFFFFF	#000000	##FFFFFF
##6647BC	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC0

Deuteranopia (green-blind)

#005BBA

Tritanopia (blue-blind)

#4C627B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #6647bc;
/* rgb */ color: rgb(102, 71, 188);
/* oklch */ color: oklch(49.6% 0.175 290.8);

Tailwind

colors: {
  custom: {
    50: '#987cd1',
    500: '#6647bc',
    950: '#000000',
  },
}

SCSS

$custom: #6647bc;
$custom-light: #987cd1;
$custom-dark: #000000;

JSON

{
  "hex": "#6647bc",
  "rgb": {
    "r": 102,
    "g": 71,
    "b": 188
  },
  "hsl": {
    "h": 255.897,
    "s": 46.614,
    "l": 50.784
  },
  "oklch": {
    "l": 0.49618,
    "c": 0.17529,
    "h": 290.8
  },
  "luminance": 0.10962
}

Semantic roles & 50–950 ramp

primary

#6647BC

secondary

#BCC995

accent

#D652B3

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0914

muted

#7E7B82

Preview Lab

Preview with #6647BC

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

Preview Lab → · Contrast checker → · Palette generator →