#644FA8#644FA8

#644FA8 is a mid, vivid violet. Relative luminance 0.111; OKLCH L 49.3% C 0.137 H 291.4°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#644FA8
RGB	rgb(100, 79, 168)
HSL	hsl(254, 36%, 48%)
HSV	hsv(254, 53%, 66%)
CMYK	cmyk(40.5%, 53%, 0%, 34.1%)
CIE-LAB	lab(39.80, 30.41, -45.09)
CIE-LCH	lch(39.80, 54.39, 303.99°)
OKLab	oklab(49.35% 0.0502 -0.1279)
OKLCH	oklch(49.35% 0.137 291.4)
XYZ	xyz(15.1175, 11.1280, 38.3896)
Luminance	0.1113 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FA8 #93A84F

analogous

#4F66A8 #644FA8 #904FA8

triadic

#644FA8 #A8644F #4FA864

tetradic

#644FA8 #A84F66 #93A84F #4FA890

square

#644FA8 #A84F66 #93A84F #4FA890

split-complementary

#644FA8 #A8904F #66A84F

monochromatic

#322855 #4B3B7E #644FA8 #8776BE #AB9FD2

Accessibility & contrast

On white

6.51

#644FA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#644FA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FA8

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FA8	#FFFFFF	#000000	##FFFFFF
##644FA8	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#285FAB

Deuteranopia (green-blind)

#2C5CA6

Tritanopia (blue-blind)

#526174

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #644fa8;
/* rgb */ color: rgb(100, 79, 168);
/* oklch */ color: oklch(49.3% 0.137 291.4);

Tailwind

colors: {
  custom: {
    50: '#9481c2',
    500: '#644fa8',
    950: '#000000',
  },
}

SCSS

$custom: #644fa8;
$custom-light: #9481c2;
$custom-dark: #000000;

JSON

{
  "hex": "#644fa8",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 168
  },
  "hsl": {
    "h": 254.157,
    "s": 36.032,
    "l": 48.431
  },
  "oklch": {
    "l": 0.49347,
    "c": 0.13739,
    "h": 291.4
  },
  "luminance": 0.11128
}

Semantic roles & 50–950 ramp

primary

#644FA8

secondary

#B5BF94

accent

#CC5CB2

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #644FA8

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

Preview Lab → · Contrast checker → · Palette generator →