#644C7B#644C7B

#644C7B is a mid, moderate violet. Relative luminance 0.093; OKLCH L 46.1% C 0.079 H 307.0°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#644C7B
RGB	rgb(100, 76, 123)
HSL	hsl(271, 24%, 39%)
HSV	hsv(271, 38%, 48%)
CMYK	cmyk(18.7%, 38.2%, 0%, 51.8%)
CIE-LAB	lab(36.57, 20.08, -22.92)
CIE-LCH	lch(36.57, 30.47, 311.23°)
OKLab	oklab(46.12% 0.0477 -0.0634)
OKLCH	oklch(46.12% 0.079 307)
XYZ	xyz(11.4144, 9.3084, 19.9304)
Luminance	0.0931 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644C7B #637B4C

analogous

#4D4C7B #644C7B #7B4C7B

triadic

#644C7B #7B644C #4C7B64

tetradic

#644C7B #7B4D4C #637B4C #4C7B7B

square

#644C7B #7B4D4C #637B4C #4C7B7B

split-complementary

#644C7B #7B7B4C #4C7B4D

monochromatic

#261D2F #453555 #644C7B #8365A0 #A18AB7

Accessibility & contrast

On white

7.34

#644C7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#644C7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644C7B

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644C7B	#FFFFFF	#000000	##FFFFFF
##644C7B	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42557D

Deuteranopia (green-blind)

#47567A

Tritanopia (blue-blind)

#61535E

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #644c7b;
/* rgb */ color: rgb(100, 76, 123);
/* oklch */ color: oklch(46.1% 0.079 307.0);

Tailwind

colors: {
  custom: {
    50: '#917ea1',
    500: '#644c7b',
    950: '#000000',
  },
}

SCSS

$custom: #644c7b;
$custom-light: #917ea1;
$custom-dark: #000000;

JSON

{
  "hex": "#644c7b",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 123
  },
  "hsl": {
    "h": 270.638,
    "s": 23.618,
    "l": 39.02
  },
  "oklch": {
    "l": 0.46121,
    "c": 0.07933,
    "h": 307
  },
  "luminance": 0.09308
}

Semantic roles & 50–950 ramp

primary

#644C7B

secondary

#91A47F

accent

#C06893

background

#F8F7F9

surface

#F0EEF2

border

#CBC9CC

text

#0D0A0F

muted

#7D7C7E

Preview Lab

Preview with #644C7B

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

Preview Lab → · Contrast checker → · Palette generator →