#644FA3#644FA3

#644FA3 is a mid, vivid violet. Relative luminance 0.109; OKLCH L 49.0% C 0.130 H 292.4°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#644FA3
RGB	rgb(100, 79, 163)
HSL	hsl(255, 35%, 47%)
HSV	hsv(255, 52%, 64%)
CMYK	cmyk(38.7%, 51.5%, 0%, 36.1%)
CIE-LAB	lab(39.49, 28.97, -42.61)
CIE-LCH	lch(39.49, 51.52, 304.22°)
OKLab	oklab(49.02% 0.0498 -0.1206)
OKLCH	oklch(49.02% 0.13 292.4)
XYZ	xyz(14.6606, 10.9453, 35.9835)
Luminance	0.1095 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FA3 #8EA34F

analogous

#4F64A3 #644FA3 #8E4FA3

triadic

#644FA3 #A3644F #4FA364

tetradic

#644FA3 #A34F64 #8EA34F #4FA38E

square

#644FA3 #A34F64 #8EA34F #4FA38E

split-complementary

#644FA3 #A38E4F #64A34F

monochromatic

#312751 #4B3B7A #644FA3 #8674BB #AA9DCF

Accessibility & contrast

On white

6.58

#644FA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#644FA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FA3

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FA3	#FFFFFF	#000000	##FFFFFF
##644FA3	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D5EA6

Deuteranopia (green-blind)

#315BA1

Tritanopia (blue-blind)

#546071

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #644fa3;
/* rgb */ color: rgb(100, 79, 163);
/* oklch */ color: oklch(49.0% 0.130 292.4);

Tailwind

colors: {
  custom: {
    50: '#9481bf',
    500: '#644fa3',
    950: '#000000',
  },
}

SCSS

$custom: #644fa3;
$custom-light: #9481bf;
$custom-dark: #000000;

JSON

{
  "hex": "#644fa3",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 163
  },
  "hsl": {
    "h": 255,
    "s": 34.711,
    "l": 47.451
  },
  "oklch": {
    "l": 0.49019,
    "c": 0.13049,
    "h": 292.4
  },
  "luminance": 0.10946
}

Semantic roles & 50–950 ramp

primary

#644FA3

secondary

#B2BC91

accent

#CB5DAF

background

#F9F7FB

surface

#F2EEF7

border

#CCC9D0

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #644FA3

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

Preview Lab → · Contrast checker → · Palette generator →