#644E68#644E68

#644E68 is a mid, muted purple. Relative luminance 0.092; OKLCH L 45.6% C 0.050 H 321.2°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#644E68
RGB	rgb(100, 78, 104)
HSL	hsl(291, 14%, 36%)
HSV	hsv(291, 25%, 41%)
CMYK	cmyk(3.8%, 25%, 0%, 59.2%)
CIE-LAB	lab(36.29, 14.38, -11.54)
CIE-LCH	lch(36.29, 18.43, 321.26°)
OKLab	oklab(45.63% 0.0387 -0.0312)
OKLCH	oklch(45.63% 0.05 321.2)
XYZ	xyz(10.4783, 9.1578, 14.3097)
Luminance	0.0916 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644E68 #52684E

analogous

#574E68 #644E68 #684E5F

triadic

#644E68 #68644E #4E6864

tetradic

#644E68 #68574E #52684E #4E5F68

square

#644E68 #68574E #52684E #4E5F68

split-complementary

#644E68 #5F684E #4E6857

monochromatic

#211A22 #423445 #644E68 #86688B #A28AA7

Accessibility & contrast

On white

7.42

#644E68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#644E68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644E68

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644E68	#FFFFFF	#000000	##FFFFFF
##644E68	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5469

Deuteranopia (green-blind)

#505667

Tritanopia (blue-blind)

#655157

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #644e68;
/* rgb */ color: rgb(100, 78, 104);
/* oklch */ color: oklch(45.6% 0.050 321.2);

Tailwind

colors: {
  custom: {
    50: '#907f93',
    500: '#644e68',
    950: '#000000',
  },
}

SCSS

$custom: #644e68;
$custom-light: #907f93;
$custom-dark: #000000;

JSON

{
  "hex": "#644e68",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 104
  },
  "hsl": {
    "h": 290.769,
    "s": 14.286,
    "l": 35.686
  },
  "oklch": {
    "l": 0.45634,
    "c": 0.04969,
    "h": 321.2
  },
  "luminance": 0.09158
}

Semantic roles & 50–950 ramp

primary

#644E68

secondary

#81957D

accent

#B7717C

background

#F8F7F9

surface

#F0EEF1

border

#CBC9CB

text

#0C0A0D

muted

#7D7C7E

Preview Lab

Preview with #644E68

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

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