#644BD1#644BD1

#644BD1 is a mid, vivid violet. Relative luminance 0.123; OKLCH L 51.7% C 0.197 H 285.8°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#644BD1
RGB	rgb(100, 75, 209)
HSL	hsl(251, 59%, 56%)
HSV	hsv(251, 64%, 82%)
CMYK	cmyk(52.2%, 64.1%, 0%, 18%)
CIE-LAB	lab(41.76, 44.81, -65.90)
CIE-LCH	lch(41.76, 79.69, 304.22°)
OKLab	oklab(51.7% 0.0536 -0.1891)
OKLCH	oklch(51.7% 0.197 285.8)
XYZ	xyz(19.2768, 12.3439, 61.6761)
Luminance	0.1235 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644BD1 #B8D14B

analogous

#4B75D1 #644BD1 #A74BD1

triadic

#644BD1 #D1644B #4BD164

tetradic

#644BD1 #D14B75 #B8D14B #4BD1A7

square

#644BD1 #D14B75 #B8D14B #4BD1A7

split-complementary

#644BD1 #D1A74B #75D14B

monochromatic

#332181 #462DB1 #644BD1 #8E7CDD #B8ACEA

Accessibility & contrast

On white

6.05

#644BD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#644BD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644BD1

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644BD1	#FFFFFF	#000000	##FFFFFF
##644BD1	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D5

Deuteranopia (green-blind)

#005FCE

Tritanopia (blue-blind)

#396C87

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #644bd1;
/* rgb */ color: rgb(100, 75, 209);
/* oklch */ color: oklch(51.7% 0.197 285.8);

Tailwind

colors: {
  custom: {
    50: '#997fe0',
    500: '#644bd1',
    950: '#000000',
  },
}

SCSS

$custom: #644bd1;
$custom-light: #997fe0;
$custom-dark: #000000;

JSON

{
  "hex": "#644bd1",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 209
  },
  "hsl": {
    "h": 251.194,
    "s": 59.292,
    "l": 55.686
  },
  "oklch": {
    "l": 0.51697,
    "c": 0.19654,
    "h": 285.8
  },
  "luminance": 0.12345
}

Semantic roles & 50–950 ramp

primary

#644BD1

secondary

#CDD8A0

accent

#E245C5

background

#FAF7FD

surface

#F3EEFB

border

#CDC9D4

text

#0F0A15

muted

#7F7C83

Preview Lab

Preview with #644BD1

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

Preview Lab → · Contrast checker → · Palette generator →