#644F70#644F70

#644F70 is a mid, muted violet. Relative luminance 0.095; OKLCH L 46.2% C 0.058 H 312.9°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#644F70
RGB	rgb(100, 79, 112)
HSL	hsl(278, 17%, 37%)
HSV	hsv(278, 29%, 44%)
CMYK	cmyk(10.7%, 29.5%, 0%, 56.1%)
CIE-LAB	lab(36.88, 15.57, -15.63)
CIE-LCH	lch(36.88, 22.06, 314.89°)
OKLab	oklab(46.19% 0.0397 -0.0426)
OKLCH	oklch(46.19% 0.058 312.9)
XYZ	xyz(10.9757, 9.4713, 16.5760)
Luminance	0.0947 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644F70 #5B704F

analogous

#544F70 #644F70 #704F6B

triadic

#644F70 #70644F #4F7064

tetradic

#644F70 #70544F #5B704F #4F6B70

square

#644F70 #70544F #5B704F #4F6B70

split-complementary

#644F70 #6B704F #4F7054

monochromatic

#241C28 #44364C #644F70 #846894 #A18CAE

Accessibility & contrast

On white

7.26

#644F70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#644F70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644F70

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644F70	#FFFFFF	#000000	##FFFFFF
##644F70	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5671

Deuteranopia (green-blind)

#4E576F

Tritanopia (blue-blind)

#63535B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #644f70;
/* rgb */ color: rgb(100, 79, 112);
/* oklch */ color: oklch(46.2% 0.058 312.9);

Tailwind

colors: {
  custom: {
    50: '#908099',
    500: '#644f70',
    950: '#000000',
  },
}

SCSS

$custom: #644f70;
$custom-light: #908099;
$custom-dark: #000000;

JSON

{
  "hex": "#644f70",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 112
  },
  "hsl": {
    "h": 278.182,
    "s": 17.277,
    "l": 37.451
  },
  "oklch": {
    "l": 0.46193,
    "c": 0.05825,
    "h": 312.9
  },
  "luminance": 0.09471
}

Semantic roles & 50–950 ramp

primary

#644F70

secondary

#8A9B80

accent

#BA6E8A

background

#F8F7F9

surface

#F0EEF2

border

#CBC9CC

text

#0C0A0E

muted

#7D7C7E

Preview Lab

Preview with #644F70

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

Preview Lab → · Contrast checker → · Palette generator →