#644DD0#644DD0

#644DD0 is a mid, vivid violet. Relative luminance 0.126; OKLCH L 51.9% C 0.193 H 285.6°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#644DD0
RGB	rgb(100, 77, 208)
HSL	hsl(251, 58%, 56%)
HSV	hsv(251, 63%, 82%)
CMYK	cmyk(51.9%, 63%, 0%, 18.4%)
CIE-LAB	lab(42.11, 43.37, -64.75)
CIE-LCH	lch(42.11, 77.94, 303.82°)
OKLab	oklab(51.93% 0.0518 -0.1857)
OKLCH	oklch(51.93% 0.193 285.6)
XYZ	xyz(19.2912, 12.5701, 61.0721)
Luminance	0.1257 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644DD0 #B9D04D

analogous

#4D77D0 #644DD0 #A54DD0

triadic

#644DD0 #D0644D #4DD064

tetradic

#644DD0 #D04D77 #B9D04D #4DD0A5

square

#644DD0 #D04D77 #B9D04D #4DD0A5

split-complementary

#644DD0 #D0A54D #77D04D

monochromatic

#332281 #462FB1 #644DD0 #8E7DDD #B8AEEA

Accessibility & contrast

On white

5.98

#644DD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#644DD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644DD0

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644DD0	#FFFFFF	#000000	##FFFFFF
##644DD0	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D4

Deuteranopia (green-blind)

#005FCD

Tritanopia (blue-blind)

#396D87

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #644dd0;
/* rgb */ color: rgb(100, 77, 208);
/* oklch */ color: oklch(51.9% 0.193 285.6);

Tailwind

colors: {
  custom: {
    50: '#9980df',
    500: '#644dd0',
    950: '#000000',
  },
}

SCSS

$custom: #644dd0;
$custom-light: #9980df;
$custom-dark: #000000;

JSON

{
  "hex": "#644dd0",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 208
  },
  "hsl": {
    "h": 250.534,
    "s": 58.222,
    "l": 55.882
  },
  "oklch": {
    "l": 0.51928,
    "c": 0.1928,
    "h": 285.6
  },
  "luminance": 0.12571
}

Semantic roles & 50–950 ramp

primary

#644DD0

secondary

#CED8A1

accent

#E146C6

background

#FAF7FD

surface

#F3EEFB

border

#CDC9D4

text

#0F0A15

muted

#7F7C83

Preview Lab

Preview with #644DD0

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

Preview Lab → · Contrast checker → · Palette generator →