#644CBC#644CBC

#644CBC is a mid, vivid violet. Relative luminance 0.115; OKLCH L 50.2% C 0.169 H 288.7°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#644CBC
RGB	rgb(100, 76, 188)
HSL	hsl(253, 46%, 52%)
HSV	hsv(253, 60%, 74%)
CMYK	cmyk(46.8%, 59.6%, 0%, 26.3%)
CIE-LAB	lab(40.42, 38.03, -55.87)
CIE-LCH	lch(40.42, 67.59, 304.24°)
OKLab	oklab(50.24% 0.054 -0.1596)
OKLCH	oklch(50.24% 0.169 288.7)
XYZ	xyz(16.9145, 11.5084, 48.8973)
Luminance	0.1151 (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

#644CBC #A4BC4C

analogous

#4C6CBC #644CBC #9C4CBC

triadic

#644CBC #BC644C #4CBC64

tetradic

#644CBC #BC4C6C #A4BC4C #4CBC9C

square

#644CBC #BC4C6C #A4BC4C #4CBC9C

split-complementary

#644CBC #BC9C4C #6CBC4C

monochromatic

#342767 #4B3794 #644CBC #8B79CD #B1A5DD

Accessibility & contrast

On white

6.36

#644CBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#644CBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CBC

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CBC	#FFFFFF	#000000	##FFFFFF
##644CBC	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C0

Deuteranopia (green-blind)

#005CBA

Tritanopia (blue-blind)

#48667D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #644cbc;
/* rgb */ color: rgb(100, 76, 188);
/* oklch */ color: oklch(50.2% 0.169 288.7);

Tailwind

colors: {
  custom: {
    50: '#977fd1',
    500: '#644cbc',
    950: '#000000',
  },
}

SCSS

$custom: #644cbc;
$custom-light: #977fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#644cbc",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 188
  },
  "hsl": {
    "h": 252.857,
    "s": 45.528,
    "l": 51.765
  },
  "oklch": {
    "l": 0.50236,
    "c": 0.16852,
    "h": 288.7
  },
  "luminance": 0.11509
}

Semantic roles & 50–950 ramp

primary

#644CBC

secondary

#C0CA99

accent

#D553B9

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A14

muted

#7E7C82

Preview Lab

Preview with #644CBC

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

Preview Lab → · Contrast checker → · Palette generator →