#644181#644181

#644181 is a dark, moderate violet. Relative luminance 0.081; OKLCH L 44.4% C 0.108 H 307.8°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#644181
RGB	rgb(100, 65, 129)
HSL	hsl(273, 33%, 38%)
HSV	hsv(273, 50%, 51%)
CMYK	cmyk(22.5%, 49.6%, 0%, 49.4%)
CIE-LAB	lab(34.14, 28.34, -30.45)
CIE-LCH	lch(34.14, 41.59, 312.95°)
OKLab	oklab(44.39% 0.0661 -0.0851)
OKLCH	oklch(44.39% 0.108 307.8)
XYZ	xyz(11.1075, 8.0750, 21.7381)
Luminance	0.0808 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644181 #5E8141

analogous

#444181 #644181 #81417E

triadic

#644181 #816441 #418164

tetradic

#644181 #814441 #5E8141 #417E81

square

#644181 #814441 #5E8141 #417E81

split-complementary

#644181 #7E8141 #418144

monochromatic

#251830 #442C58 #644181 #8456AA #A17EBE

Accessibility & contrast

On white

8.03

#644181 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#644181 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644181

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644181	#FFFFFF	#000000	##FFFFFF
##644181	1.00	8.03	2.62	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304F83

Deuteranopia (green-blind)

#3A517F

Tritanopia (blue-blind)

#604C5B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #644181;
/* rgb */ color: rgb(100, 65, 129);
/* oklch */ color: oklch(44.4% 0.108 307.8);

Tailwind

colors: {
  custom: {
    50: '#9276a6',
    500: '#644181',
    950: '#000000',
  },
}

SCSS

$custom: #644181;
$custom-light: #9276a6;
$custom-dark: #000000;

JSON

{
  "hex": "#644181",
  "rgb": {
    "r": 100,
    "g": 65,
    "b": 129
  },
  "hsl": {
    "h": 272.813,
    "s": 32.99,
    "l": 38.039
  },
  "oklch": {
    "l": 0.4439,
    "c": 0.10771,
    "h": 307.8
  },
  "luminance": 0.08075
}

Semantic roles & 50–950 ramp

primary

#644181

secondary

#8CA975

accent

#C95F8F

background

#F9F7FA

surface

#F1EDF4

border

#CBC8CE

text

#0D080F

muted

#7E7B7F

Preview Lab

Preview with #644181

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

Preview Lab → · Contrast checker → · Palette generator →