#644AD1#644AD1

#644AD1 is a mid, vivid violet. Relative luminance 0.122; OKLCH L 51.5% C 0.198 H 286.0°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#644AD1
RGB	rgb(100, 74, 209)
HSL	hsl(252, 59%, 55%)
HSV	hsv(252, 65%, 82%)
CMYK	cmyk(52.2%, 64.6%, 0%, 18%)
CIE-LAB	lab(41.55, 45.38, -66.24)
CIE-LCH	lch(41.55, 80.29, 304.41°)
OKLab	oklab(51.54% 0.0546 -0.1901)
OKLCH	oklch(51.54% 0.198 286)
XYZ	xyz(19.2095, 12.2093, 61.6537)
Luminance	0.1221 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 4.62

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644AD1 #B7D14A

analogous

#4A73D1 #644AD1 #A84AD1

triadic

#644AD1 #D1644A #4AD164

tetradic

#644AD1 #D14A73 #B7D14A #4AD1A8

square

#644AD1 #D14A73 #B7D14A #4AD1A8

split-complementary

#644AD1 #D1A84A #73D14A

monochromatic

#332180 #462DB1 #644AD1 #8E7BDD #B8ACEA

Accessibility & contrast

On white

6.10

#644AD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#644AD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644AD1

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644AD1	#FFFFFF	#000000	##FFFFFF
##644AD1	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D5

Deuteranopia (green-blind)

#005ECE

Tritanopia (blue-blind)

#396B87

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #644ad1;
/* rgb */ color: rgb(100, 74, 209);
/* oklch */ color: oklch(51.5% 0.198 286.0);

Tailwind

colors: {
  custom: {
    50: '#997ee0',
    500: '#644ad1',
    950: '#000000',
  },
}

SCSS

$custom: #644ad1;
$custom-light: #997ee0;
$custom-dark: #000000;

JSON

{
  "hex": "#644ad1",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 209
  },
  "hsl": {
    "h": 251.556,
    "s": 59.471,
    "l": 55.49
  },
  "oklch": {
    "l": 0.51545,
    "c": 0.19778,
    "h": 286
  },
  "luminance": 0.1221
}

Semantic roles & 50–950 ramp

primary

#644AD1

secondary

#CDD89F

accent

#E345C4

background

#FAF7FD

surface

#F3EEFB

border

#CDC9D4

text

#0F0A15

muted

#7F7C83

Preview Lab

Preview with #644AD1

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

Preview Lab → · Contrast checker → · Palette generator →