#644D63#644D63

#644D63 is a mid, muted purple. Relative luminance 0.089; OKLCH L 45.2% C 0.046 H 327.7°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#644D63
RGB	rgb(100, 77, 99)
HSL	hsl(303, 13%, 35%)
HSV	hsv(303, 23%, 39%)
CMYK	cmyk(0%, 23%, 1%, 60.8%)
CIE-LAB	lab(35.83, 13.92, -9.10)
CIE-LCH	lch(35.83, 16.63, 326.83°)
OKLab	oklab(45.22% 0.0386 -0.0244)
OKLCH	oklch(45.22% 0.046 327.7)
XYZ	xyz(10.1613, 8.9182, 12.9881)
Luminance	0.0892 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644D63 #4D644E

analogous

#5A4D64 #644D63 #644D58

triadic

#644D63 #63644D #4D6364

tetradic

#644D63 #645A4D #4D644E #4D5864

square

#644D63 #645A4D #4D644E #4D5864

split-complementary

#644D63 #58644D #4D645A

monochromatic

#1F181F #413241 #644D63 #876885 #A388A2

Accessibility & contrast

On white

7.54

#644D63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#644D63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644D63

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644D63	#FFFFFF	#000000	##FFFFFF
##644D63	1.00	7.54	2.78	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C5264

Deuteranopia (green-blind)

#515562

Tritanopia (blue-blind)

#664F55

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #644d63;
/* rgb */ color: rgb(100, 77, 99);
/* oklch */ color: oklch(45.2% 0.046 327.7);

Tailwind

colors: {
  custom: {
    50: '#907f8f',
    500: '#644d63',
    950: '#000000',
  },
}

SCSS

$custom: #644d63;
$custom-light: #907f8f;
$custom-dark: #000000;

JSON

{
  "hex": "#644d63",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 99
  },
  "hsl": {
    "h": 302.609,
    "s": 12.994,
    "l": 34.706
  },
  "oklch": {
    "l": 0.45218,
    "c": 0.04569,
    "h": 327.7
  },
  "luminance": 0.08918
}

Semantic roles & 50–950 ramp

primary

#644D63

secondary

#7B917C

accent

#B67572

background

#F8F7F8

surface

#F0EEF0

border

#CBC9CB

text

#0C0A0C

muted

#7D7C7D

Preview Lab

Preview with #644D63

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

Preview Lab → · Contrast checker → · Palette generator →