#644CA7#644CA7

#644CA7 is a mid, vivid violet. Relative luminance 0.107; OKLCH L 48.7% C 0.141 H 292.6°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#644CA7
RGB	rgb(100, 76, 167)
HSL	hsl(256, 37%, 48%)
HSV	hsv(256, 54%, 65%)
CMYK	cmyk(40.1%, 54.5%, 0%, 34.5%)
CIE-LAB	lab(39.02, 31.94, -45.75)
CIE-LCH	lch(39.02, 55.79, 304.92°)
OKLab	oklab(48.75% 0.054 -0.1298)
OKLCH	oklch(48.75% 0.141 292.6)
XYZ	xyz(14.8132, 10.6678, 37.8304)
Luminance	0.1067 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CA7 #8FA74C

analogous

#4C61A7 #644CA7 #914CA7

triadic

#644CA7 #A7644C #4CA764

tetradic

#644CA7 #A74C61 #8FA74C #4CA791

square

#644CA7 #A74C61 #8FA74C #4CA791

split-complementary

#644CA7 #A7914C #61A74C

monochromatic

#322653 #4B397D #644CA7 #8672BF #AA9CD2

Accessibility & contrast

On white

6.70

#644CA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#644CA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CA7

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CA7	#FFFFFF	#000000	##FFFFFF
##644CA7	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#225DAA

Deuteranopia (green-blind)

#285AA5

Tritanopia (blue-blind)

#525F72

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #644ca7;
/* rgb */ color: rgb(100, 76, 167);
/* oklch */ color: oklch(48.7% 0.141 292.6);

Tailwind

colors: {
  custom: {
    50: '#947fc2',
    500: '#644ca7',
    950: '#000000',
  },
}

SCSS

$custom: #644ca7;
$custom-light: #947fc2;
$custom-dark: #000000;

JSON

{
  "hex": "#644ca7",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 167
  },
  "hsl": {
    "h": 255.824,
    "s": 37.449,
    "l": 47.647
  },
  "oklch": {
    "l": 0.48748,
    "c": 0.14061,
    "h": 292.6
  },
  "luminance": 0.10668
}

Semantic roles & 50–950 ramp

primary

#644CA7

secondary

#B2BE90

accent

#CD5AAF

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #644CA7

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

Preview Lab → · Contrast checker → · Palette generator →