#644FA7#644FA7

#644FA7 is a mid, vivid violet. Relative luminance 0.111; OKLCH L 49.3% C 0.136 H 291.6°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#644FA7
RGB	rgb(100, 79, 167)
HSL	hsl(254, 36%, 48%)
HSV	hsv(254, 53%, 65%)
CMYK	cmyk(40.1%, 52.7%, 0%, 34.5%)
CIE-LAB	lab(39.73, 30.12, -44.60)
CIE-LCH	lch(39.73, 53.82, 304.03°)
OKLab	oklab(49.28% 0.0501 -0.1265)
OKLCH	oklch(49.28% 0.136 291.6)
XYZ	xyz(15.0247, 11.0909, 37.9009)
Luminance	0.1109 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FA7 #92A74F

analogous

#4F66A7 #644FA7 #904FA7

triadic

#644FA7 #A7644F #4FA764

tetradic

#644FA7 #A74F66 #92A74F #4FA790

square

#644FA7 #A74F66 #92A74F #4FA790

split-complementary

#644FA7 #A7904F #66A74F

monochromatic

#322854 #4B3B7D #644FA7 #8775BE #AB9FD2

Accessibility & contrast

On white

6.53

#644FA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#644FA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FA7

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FA7	#FFFFFF	#000000	##FFFFFF
##644FA7	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#295FAA

Deuteranopia (green-blind)

#2D5CA5

Tritanopia (blue-blind)

#526173

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #644fa7;
/* rgb */ color: rgb(100, 79, 167);
/* oklch */ color: oklch(49.3% 0.136 291.6);

Tailwind

colors: {
  custom: {
    50: '#9481c2',
    500: '#644fa7',
    950: '#000000',
  },
}

SCSS

$custom: #644fa7;
$custom-light: #9481c2;
$custom-dark: #000000;

JSON

{
  "hex": "#644fa7",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 167
  },
  "hsl": {
    "h": 254.318,
    "s": 35.772,
    "l": 48.235
  },
  "oklch": {
    "l": 0.49281,
    "c": 0.13602,
    "h": 291.6
  },
  "luminance": 0.11091
}

Semantic roles & 50–950 ramp

primary

#644FA7

secondary

#B4BE93

accent

#CC5CB1

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #644FA7

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

Preview Lab → · Contrast checker → · Palette generator →