#644ABC#644ABC

#644ABC is a mid, vivid violet. Relative luminance 0.112; OKLCH L 49.9% C 0.171 H 289.2°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#644ABC
RGB	rgb(100, 74, 188)
HSL	hsl(254, 46%, 51%)
HSV	hsv(254, 61%, 74%)
CMYK	cmyk(46.8%, 60.6%, 0%, 26.3%)
CIE-LAB	lab(39.98, 39.21, -56.60)
CIE-LCH	lch(39.98, 68.85, 304.71°)
OKLab	oklab(49.91% 0.0563 -0.1617)
OKLCH	oklch(49.91% 0.171 289.2)
XYZ	xyz(16.7788, 11.2371, 48.8521)
Luminance	0.1124 (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

#644ABC #A2BC4A

analogous

#4A69BC #644ABC #9D4ABC

triadic

#644ABC #BC644A #4ABC64

tetradic

#644ABC #BC4A69 #A2BC4A #4ABC9D

square

#644ABC #BC4A69 #A2BC4A #4ABC9D

split-complementary

#644ABC #BC9D4A #69BC4A

monochromatic

#342666 #4B3693 #644ABC #8A77CD #B1A3DD

Accessibility & contrast

On white

6.47

#644ABC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#644ABC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644ABC

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644ABC	#FFFFFF	#000000	##FFFFFF
##644ABC	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C0

Deuteranopia (green-blind)

#005BBA

Tritanopia (blue-blind)

#48647C

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #644abc;
/* rgb */ color: rgb(100, 74, 188);
/* oklch */ color: oklch(49.9% 0.171 289.2);

Tailwind

colors: {
  custom: {
    50: '#977ed1',
    500: '#644abc',
    950: '#000000',
  },
}

SCSS

$custom: #644abc;
$custom-light: #977ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#644abc",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 188
  },
  "hsl": {
    "h": 253.684,
    "s": 45.968,
    "l": 51.373
  },
  "oklch": {
    "l": 0.49909,
    "c": 0.17125,
    "h": 289.2
  },
  "luminance": 0.11238
}

Semantic roles & 50–950 ramp

primary

#644ABC

secondary

#BFCA98

accent

#D652B8

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A14

muted

#7E7C82

Preview Lab

Preview with #644ABC

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

Preview Lab → · Contrast checker → · Palette generator →