#644E67#644E67

#644E67 is a mid, muted purple. Relative luminance 0.091; OKLCH L 45.6% C 0.048 H 322.3°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#644E67
RGB	rgb(100, 78, 103)
HSL	hsl(293, 14%, 35%)
HSV	hsv(293, 24%, 40%)
CMYK	cmyk(2.9%, 24.3%, 0%, 59.6%)
CIE-LAB	lab(36.25, 14.16, -10.97)
CIE-LCH	lch(36.25, 17.91, 322.23°)
OKLab	oklab(45.59% 0.0383 -0.0296)
OKLCH	oklch(45.59% 0.048 322.3)
XYZ	xyz(10.4278, 9.1376, 14.0437)
Luminance	0.0914 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644E67 #51674E

analogous

#574E67 #644E67 #674E5D

triadic

#644E67 #67644E #4E6764

tetradic

#644E67 #67574E #51674E #4E5D67

square

#644E67 #67574E #51674E #4E5D67

split-complementary

#644E67 #5D674E #4E6757

monochromatic

#201921 #423444 #644E67 #86688A #A389A6

Accessibility & contrast

On white

7.43

#644E67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#644E67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644E67

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644E67	#FFFFFF	#000000	##FFFFFF
##644E67	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C5468

Deuteranopia (green-blind)

#515666

Tritanopia (blue-blind)

#655057

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #644e67;
/* rgb */ color: rgb(100, 78, 103);
/* oklch */ color: oklch(45.6% 0.048 322.3);

Tailwind

colors: {
  custom: {
    50: '#907f92',
    500: '#644e67',
    950: '#000000',
  },
}

SCSS

$custom: #644e67;
$custom-light: #907f92;
$custom-dark: #000000;

JSON

{
  "hex": "#644e67",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 103
  },
  "hsl": {
    "h": 292.8,
    "s": 13.812,
    "l": 35.49
  },
  "oklch": {
    "l": 0.45592,
    "c": 0.04843,
    "h": 322.3
  },
  "luminance": 0.09137
}

Semantic roles & 50–950 ramp

primary

#644E67

secondary

#80947D

accent

#B7717A

background

#F8F7F8

surface

#F0EEF0

border

#CBC9CB

text

#0C0A0D

muted

#7D7C7D

Preview Lab

Preview with #644E67

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

Preview Lab → · Contrast checker → · Palette generator →