#644F69#644F69

#644F69 is a mid, muted purple. Relative luminance 0.093; OKLCH L 45.9% C 0.049 H 319.8°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#644F69
RGB	rgb(100, 79, 105)
HSL	hsl(288, 14%, 36%)
HSV	hsv(288, 25%, 41%)
CMYK	cmyk(4.8%, 24.8%, 0%, 58.8%)
CIE-LAB	lab(36.60, 13.97, -11.69)
CIE-LCH	lch(36.60, 18.22, 320.08°)
OKLab	oklab(45.89% 0.0373 -0.0316)
OKLCH	oklch(45.89% 0.049 319.8)
XYZ	xyz(10.6010, 9.3214, 14.6026)
Luminance	0.0932 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644F69 #54694F

analogous

#574F69 #644F69 #694F61

triadic

#644F69 #69644F #4F6964

tetradic

#644F69 #69574F #54694F #4F6169

square

#644F69 #69574F #54694F #4F6169

split-complementary

#644F69 #61694F #4F6957

monochromatic

#211A23 #433546 #644F69 #85698C #A28BA8

Accessibility & contrast

On white

7.33

#644F69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#644F69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644F69

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644F69	#FFFFFF	#000000	##FFFFFF
##644F69	1.00	7.33	2.86	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C556A

Deuteranopia (green-blind)

#515768

Tritanopia (blue-blind)

#645258

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #644f69;
/* rgb */ color: rgb(100, 79, 105);
/* oklch */ color: oklch(45.9% 0.049 319.8);

Tailwind

colors: {
  custom: {
    50: '#908094',
    500: '#644f69',
    950: '#000000',
  },
}

SCSS

$custom: #644f69;
$custom-light: #908094;
$custom-dark: #000000;

JSON

{
  "hex": "#644f69",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 105
  },
  "hsl": {
    "h": 288.462,
    "s": 14.13,
    "l": 36.078
  },
  "oklch": {
    "l": 0.45885,
    "c": 0.04892,
    "h": 319.8
  },
  "luminance": 0.09321
}

Semantic roles & 50–950 ramp

primary

#644F69

secondary

#83957E

accent

#B7717E

background

#F8F7F9

surface

#F0EEF1

border

#CBC9CB

text

#0C0A0D

muted

#7D7C7E

Preview Lab

Preview with #644F69

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

Preview Lab → · Contrast checker → · Palette generator →