#644F7C#644F7C

#644F7C is a mid, moderate violet. Relative luminance 0.098; OKLCH L 46.8% C 0.075 H 305.1°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#644F7C
RGB	rgb(100, 79, 124)
HSL	hsl(268, 22%, 40%)
HSV	hsv(268, 36%, 49%)
CMYK	cmyk(19.4%, 36.3%, 0%, 51.4%)
CIE-LAB	lab(37.40, 18.47, -22.24)
CIE-LCH	lch(37.40, 28.91, 309.70°)
OKLab	oklab(46.77% 0.0432 -0.0614)
OKLCH	oklch(46.77% 0.075 305.1)
XYZ	xyz(11.6889, 9.7566, 20.3323)
Luminance	0.0976 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644F7C #677C4F

analogous

#4F517C #644F7C #7A4F7C

triadic

#644F7C #7C644F #4F7C64

tetradic

#644F7C #7C4F51 #677C4F #4F7C7A

square

#644F7C #7C4F51 #677C4F #4F7C7A

split-complementary

#644F7C #7C7A4F #517C4F

monochromatic

#281F31 #463757 #644F7C #82699F #A18EB7

Accessibility & contrast

On white

7.12

#644F7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#644F7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644F7C

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644F7C	#FFFFFF	#000000	##FFFFFF
##644F7C	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46577E

Deuteranopia (green-blind)

#4A587B

Tritanopia (blue-blind)

#605660

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #644f7c;
/* rgb */ color: rgb(100, 79, 124);
/* oklch */ color: oklch(46.8% 0.075 305.1);

Tailwind

colors: {
  custom: {
    50: '#9180a2',
    500: '#644f7c',
    950: '#000000',
  },
}

SCSS

$custom: #644f7c;
$custom-light: #9180a2;
$custom-dark: #000000;

JSON

{
  "hex": "#644f7c",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 124
  },
  "hsl": {
    "h": 268,
    "s": 22.167,
    "l": 39.804
  },
  "oklch": {
    "l": 0.46767,
    "c": 0.0751,
    "h": 305.1
  },
  "luminance": 0.09757
}

Semantic roles & 50–950 ramp

primary

#644F7C

secondary

#95A483

accent

#BF6997

background

#F8F7F9

surface

#F0EEF2

border

#CBC9CC

text

#0D0A0F

muted

#7D7C7E

Preview Lab

Preview with #644F7C

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

Preview Lab → · Contrast checker → · Palette generator →