#644DA3#644DA3

#644DA3 is a mid, vivid violet. Relative luminance 0.107; OKLCH L 48.7% C 0.134 H 293.1°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#644DA3
RGB	rgb(100, 77, 163)
HSL	hsl(256, 36%, 47%)
HSV	hsv(256, 53%, 64%)
CMYK	cmyk(38.7%, 52.8%, 0%, 36.1%)
CIE-LAB	lab(39.00, 30.19, -43.38)
CIE-LCH	lch(39.00, 52.85, 304.84°)
OKLab	oklab(48.66% 0.0524 -0.1229)
OKLCH	oklch(48.66% 0.134 293.1)
XYZ	xyz(14.5185, 10.6611, 35.9361)
Luminance	0.1066 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DA3 #8CA34D

analogous

#4D61A3 #644DA3 #8F4DA3

triadic

#644DA3 #A3644D #4DA364

tetradic

#644DA3 #A34D61 #8CA34D #4DA38F

square

#644DA3 #A34D61 #8CA34D #4DA38F

split-complementary

#644DA3 #A38F4D #61A34D

monochromatic

#312650 #4B3979 #644DA3 #8571BC #A99BD0

Accessibility & contrast

On white

6.70

#644DA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#644DA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DA3

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DA3	#FFFFFF	#000000	##FFFFFF
##644DA3	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)

#295DA6

Deuteranopia (green-blind)

#2E5AA1

Tritanopia (blue-blind)

#545E70

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #644da3;
/* rgb */ color: rgb(100, 77, 163);
/* oklch */ color: oklch(48.7% 0.134 293.1);

Tailwind

colors: {
  custom: {
    50: '#947fbf',
    500: '#644da3',
    950: '#000000',
  },
}

SCSS

$custom: #644da3;
$custom-light: #947fbf;
$custom-dark: #000000;

JSON

{
  "hex": "#644da3",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 163
  },
  "hsl": {
    "h": 256.047,
    "s": 35.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.48658,
    "c": 0.13361,
    "h": 293.1
  },
  "luminance": 0.10661
}

Semantic roles & 50–950 ramp

primary

#644DA3

secondary

#B0BC90

accent

#CC5CAE

background

#F9F7FB

surface

#F2EEF7

border

#CCC9D0

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #644DA3

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

Preview Lab → · Contrast checker → · Palette generator →