#644CD8#644CD8

#644CD8 is a mid, highly saturated violet. Relative luminance 0.128; OKLCH L 52.4% C 0.204 H 284.7°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#644CD8
RGB	rgb(100, 76, 216)
HSL	hsl(250, 64%, 57%)
HSV	hsv(250, 65%, 85%)
CMYK	cmyk(53.7%, 64.8%, 0%, 15.3%)
CIE-LAB	lab(42.51, 46.32, -68.69)
CIE-LCH	lch(42.51, 82.85, 304.00°)
OKLab	oklab(52.42% 0.0519 -0.1973)
OKLCH	oklch(52.42% 0.204 284.7)
XYZ	xyz(20.2309, 12.8349, 66.3638)
Luminance	0.1284 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CD8 #C0D84C

analogous

#4C7AD8 #644CD8 #AA4CD8

triadic

#644CD8 #D8644C #4CD864

tetradic

#644CD8 #D84C7A #C0D84C #4CD8AA

square

#644CD8 #D84C7A #C0D84C #4CD8AA

split-complementary

#644CD8 #D8AA4C #7AD84C

monochromatic

#311E8B #4329BE #644CD8 #907EE3 #BBB1EE

Accessibility & contrast

On white

5.89

#644CD8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#644CD8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CD8

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CD8	#FFFFFF	#000000	##FFFFFF
##644CD8	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068DC

Deuteranopia (green-blind)

#0060D5

Tritanopia (blue-blind)

#326F8B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #644cd8;
/* rgb */ color: rgb(100, 76, 216);
/* oklch */ color: oklch(52.4% 0.204 284.7);

Tailwind

colors: {
  custom: {
    50: '#9a7fe5',
    500: '#644cd8',
    950: '#000000',
  },
}

SCSS

$custom: #644cd8;
$custom-light: #9a7fe5;
$custom-dark: #000000;

JSON

{
  "hex": "#644cd8",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 216
  },
  "hsl": {
    "h": 250.286,
    "s": 64.22,
    "l": 57.255
  },
  "oklch": {
    "l": 0.52415,
    "c": 0.204,
    "h": 284.7
  },
  "luminance": 0.12836
}

Semantic roles & 50–950 ramp

primary

#644CD8

secondary

#D3DCA4

accent

#E741CB

background

#FAF7FE

surface

#F4EEFC

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #644CD8

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

Preview Lab → · Contrast checker → · Palette generator →