#644FA4#644FA4

#644FA4 is a mid, vivid violet. Relative luminance 0.110; OKLCH L 49.1% C 0.132 H 292.2°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#644FA4
RGB	rgb(100, 79, 164)
HSL	hsl(255, 35%, 48%)
HSV	hsv(255, 52%, 64%)
CMYK	cmyk(39%, 51.8%, 0%, 35.7%)
CIE-LAB	lab(39.55, 29.26, -43.11)
CIE-LCH	lch(39.55, 52.10, 304.17°)
OKLab	oklab(49.08% 0.0499 -0.1221)
OKLCH	oklch(49.08% 0.132 292.2)
XYZ	xyz(14.7506, 10.9813, 36.4572)
Luminance	0.1098 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FA4 #8FA44F

analogous

#4F64A4 #644FA4 #8F4FA4

triadic

#644FA4 #A4644F #4FA464

tetradic

#644FA4 #A44F64 #8FA44F #4FA48F

square

#644FA4 #A44F64 #8FA44F #4FA48F

split-complementary

#644FA4 #A48F4F #64A44F

monochromatic

#322751 #4B3B7B #644FA4 #8674BC #AA9DD0

Accessibility & contrast

On white

6.57

#644FA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#644FA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FA4

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FA4	#FFFFFF	#000000	##FFFFFF
##644FA4	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C5EA7

Deuteranopia (green-blind)

#305CA2

Tritanopia (blue-blind)

#546072

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #644fa4;
/* rgb */ color: rgb(100, 79, 164);
/* oklch */ color: oklch(49.1% 0.132 292.2);

Tailwind

colors: {
  custom: {
    50: '#9481bf',
    500: '#644fa4',
    950: '#000000',
  },
}

SCSS

$custom: #644fa4;
$custom-light: #9481bf;
$custom-dark: #000000;

JSON

{
  "hex": "#644fa4",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 164
  },
  "hsl": {
    "h": 254.824,
    "s": 34.979,
    "l": 47.647
  },
  "oklch": {
    "l": 0.49084,
    "c": 0.13187,
    "h": 292.2
  },
  "luminance": 0.10982
}

Semantic roles & 50–950 ramp

primary

#644FA4

secondary

#B2BD92

accent

#CB5DB0

background

#F9F7FB

surface

#F2EEF7

border

#CCC9D0

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #644FA4

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

Preview Lab → · Contrast checker → · Palette generator →