#644F68#644F68

#644F68 is a mid, muted purple. Relative luminance 0.093; OKLCH L 45.8% C 0.048 H 320.9°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#644F68
RGB	rgb(100, 79, 104)
HSL	hsl(290, 14%, 36%)
HSV	hsv(290, 24%, 41%)
CMYK	cmyk(3.8%, 24%, 0%, 59.2%)
CIE-LAB	lab(36.56, 13.75, -11.12)
CIE-LCH	lch(36.56, 17.69, 321.03°)
OKLab	oklab(45.84% 0.037 -0.03)
OKLCH	oklch(45.84% 0.048 320.9)
XYZ	xyz(10.5499, 9.3010, 14.3335)
Luminance	0.0930 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644F68 #53684F

analogous

#574F68 #644F68 #684F5F

triadic

#644F68 #68644F #4F6864

tetradic

#644F68 #68574F #53684F #4F5F68

square

#644F68 #68574F #53684F #4F5F68

split-complementary

#644F68 #5F684F #4F6857

monochromatic

#211A22 #433545 #644F68 #85698B #A28BA7

Accessibility & contrast

On white

7.34

#644F68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#644F68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644F68

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644F68	#FFFFFF	#000000	##FFFFFF
##644F68	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D5569

Deuteranopia (green-blind)

#515767

Tritanopia (blue-blind)

#655158

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #644f68;
/* rgb */ color: rgb(100, 79, 104);
/* oklch */ color: oklch(45.8% 0.048 320.9);

Tailwind

colors: {
  custom: {
    50: '#908093',
    500: '#644f68',
    950: '#000000',
  },
}

SCSS

$custom: #644f68;
$custom-light: #908093;
$custom-dark: #000000;

JSON

{
  "hex": "#644f68",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 104
  },
  "hsl": {
    "h": 290.4,
    "s": 13.661,
    "l": 35.882
  },
  "oklch": {
    "l": 0.45843,
    "c": 0.04765,
    "h": 320.9
  },
  "luminance": 0.09301
}

Semantic roles & 50–950 ramp

primary

#644F68

secondary

#82957E

accent

#B6717C

background

#F8F7F9

surface

#F0EEF1

border

#CBC9CB

text

#0C0A0D

muted

#7D7C7E

Preview Lab

Preview with #644F68

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

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