#644D71#644D71

#644D71 is a mid, moderate violet. Relative luminance 0.092; OKLCH L 45.8% C 0.064 H 313.0°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#644D71
RGB	rgb(100, 77, 113)
HSL	hsl(278, 19%, 37%)
HSV	hsv(278, 32%, 44%)
CMYK	cmyk(11.5%, 31.9%, 0%, 55.7%)
CIE-LAB	lab(36.38, 17.05, -17.00)
CIE-LCH	lch(36.38, 24.08, 315.08°)
OKLab	oklab(45.83% 0.0433 -0.0465)
OKLCH	oklch(45.83% 0.064 313)
XYZ	xyz(10.8896, 9.2095, 16.8235)
Luminance	0.0921 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644D71 #5A714D

analogous

#524D71 #644D71 #714D6C

triadic

#644D71 #71644D #4D7164

tetradic

#644D71 #71524D #5A714D #4D6C71

square

#644D71 #71524D #5A714D #4D6C71

split-complementary

#644D71 #6C714D #4D7152

monochromatic

#241B28 #44344D #644D71 #846695 #A189AF

Accessibility & contrast

On white

7.39

#644D71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#644D71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644D71

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644D71	#FFFFFF	#000000	##FFFFFF
##644D71	1.00	7.39	2.84	7.39
#FFFFFF	7.39	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#475472

Deuteranopia (green-blind)

#4C5670

Tritanopia (blue-blind)

#63525A

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #644d71;
/* rgb */ color: rgb(100, 77, 113);
/* oklch */ color: oklch(45.8% 0.064 313.0);

Tailwind

colors: {
  custom: {
    50: '#907f9a',
    500: '#644d71',
    950: '#000000',
  },
}

SCSS

$custom: #644d71;
$custom-light: #907f9a;
$custom-dark: #000000;

JSON

{
  "hex": "#644d71",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 113
  },
  "hsl": {
    "h": 278.333,
    "s": 18.947,
    "l": 37.255
  },
  "oklch": {
    "l": 0.4583,
    "c": 0.06357,
    "h": 313
  },
  "luminance": 0.09209
}

Semantic roles & 50–950 ramp

primary

#644D71

secondary

#899C7E

accent

#BC6C89

background

#F8F7F9

surface

#F0EEF2

border

#CBC9CC

text

#0C0A0E

muted

#7D7C7E

Preview Lab

Preview with #644D71

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

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