#644DD4#644DD4

#644DD4 is a mid, vivid violet. Relative luminance 0.128; OKLCH L 52.2% C 0.198 H 285.1°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#644DD4
RGB	rgb(100, 77, 212)
HSL	hsl(250, 61%, 57%)
HSV	hsv(250, 64%, 83%)
CMYK	cmyk(52.8%, 63.7%, 0%, 16.9%)
CIE-LAB	lab(42.41, 44.56, -66.56)
CIE-LCH	lch(42.41, 80.10, 303.81°)
OKLab	oklab(52.25% 0.0514 -0.191)
OKLCH	oklch(52.25% 0.198 285.1)
XYZ	xyz(19.7895, 12.7695, 63.6966)
Luminance	0.1277 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DD4 #BDD44D

analogous

#4D7AD4 #644DD4 #A84DD4

triadic

#644DD4 #D4644D #4DD464

tetradic

#644DD4 #D44D7A #BDD44D #4DD4A8

square

#644DD4 #D44D7A #BDD44D #4DD4A8

split-complementary

#644DD4 #D4A84D #7AD44D

monochromatic

#322086 #442CB7 #644DD4 #8F7EE0 #BAB0EC

Accessibility & contrast

On white

5.91

#644DD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#644DD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DD4

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DD4	#FFFFFF	#000000	##FFFFFF
##644DD4	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D8

Deuteranopia (green-blind)

#0060D1

Tritanopia (blue-blind)

#366E89

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #644dd4;
/* rgb */ color: rgb(100, 77, 212);
/* oklch */ color: oklch(52.2% 0.198 285.1);

Tailwind

colors: {
  custom: {
    50: '#9a80e2',
    500: '#644dd4',
    950: '#000000',
  },
}

SCSS

$custom: #644dd4;
$custom-light: #9a80e2;
$custom-dark: #000000;

JSON

{
  "hex": "#644dd4",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 212
  },
  "hsl": {
    "h": 250.222,
    "s": 61.086,
    "l": 56.667
  },
  "oklch": {
    "l": 0.52246,
    "c": 0.19781,
    "h": 285.1
  },
  "luminance": 0.12771
}

Semantic roles & 50–950 ramp

primary

#644DD4

secondary

#D1DAA3

accent

#E444C9

background

#FAF7FE

surface

#F3EEFC

border

#CDC9D5

text

#0F0A15

muted

#7F7C84

Preview Lab

Preview with #644DD4

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

Preview Lab → · Contrast checker → · Palette generator →