#644F73#644F73

#644F73 is a mid, moderate violet. Relative luminance 0.095; OKLCH L 46.3% C 0.062 H 310.6°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#644F73
RGB	rgb(100, 79, 115)
HSL	hsl(275, 19%, 38%)
HSV	hsv(275, 31%, 45%)
CMYK	cmyk(13%, 31.3%, 0%, 54.9%)
CIE-LAB	lab(37.00, 16.27, -17.30)
CIE-LCH	lch(37.00, 23.75, 313.26°)
OKLab	oklab(46.33% 0.0406 -0.0474)
OKLCH	oklch(46.33% 0.062 310.6)
XYZ	xyz(11.1455, 9.5392, 17.4704)
Luminance	0.0954 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644F73 #5E734F

analogous

#524F73 #644F73 #734F70

triadic

#644F73 #73644F #4F7364

tetradic

#644F73 #73524F #5E734F #4F7073

square

#644F73 #73524F #5E734F #4F7073

split-complementary

#644F73 #70734F #4F7352

monochromatic

#251D2A #44364F #644F73 #846897 #A18CB0

Accessibility & contrast

On white

7.22

#644F73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#644F73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644F73

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644F73	#FFFFFF	#000000	##FFFFFF
##644F73	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#495674

Deuteranopia (green-blind)

#4D5772

Tritanopia (blue-blind)

#62545C

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #644f73;
/* rgb */ color: rgb(100, 79, 115);
/* oklch */ color: oklch(46.3% 0.062 310.6);

Tailwind

colors: {
  custom: {
    50: '#90809b',
    500: '#644f73',
    950: '#000000',
  },
}

SCSS

$custom: #644f73;
$custom-light: #90809b;
$custom-dark: #000000;

JSON

{
  "hex": "#644f73",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 115
  },
  "hsl": {
    "h": 275,
    "s": 18.557,
    "l": 38.039
  },
  "oklch": {
    "l": 0.46331,
    "c": 0.0624,
    "h": 310.6
  },
  "luminance": 0.09539
}

Semantic roles & 50–950 ramp

primary

#644F73

secondary

#8C9D80

accent

#BB6D8D

background

#F8F7F9

surface

#F0EEF2

border

#CBC9CC

text

#0C0A0E

muted

#7D7C7E

Preview Lab

Preview with #644F73

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

Preview Lab → · Contrast checker → · Palette generator →