#644FFF#644FFF

#644FFF is a mid, highly saturated blue. Relative luminance 0.155; OKLCH L 56.2% C 0.247 H 280.2°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#644FFF
RGB	rgb(100, 79, 255)
HSL	hsl(247, 100%, 65%)
HSV	hsv(247, 69%, 100%)
CMYK	cmyk(60.8%, 69%, 0%, 0%)
CIE-LAB	lab(46.34, 56.28, -84.44)
CIE-LCH	lch(46.34, 101.47, 303.68°)
OKLab	oklab(56.16% 0.044 -0.2435)
OKLCH	oklch(56.16% 0.247 280.2)
XYZ	xyz(26.0958, 15.5193, 96.2087)
Luminance	0.1552 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FFF #EAFF4F

analogous

#4F92FF #644FFF #BC4FFF

triadic

#644FFF #FF644F #4FFF64

tetradic

#644FFF #FF4F92 #EAFF4F #4FFFBC

square

#644FFF #FF4F92 #EAFF4F #4FFFBC

split-complementary

#644FFF #FFBC4F #92FF4F

monochromatic

#1900D4 #2E12FF #644FFF #9A8CFF #D0C9FF

Accessibility & contrast

On white

5.12

#644FFF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#644FFF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FFF

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FFF	#FFFFFF	#000000	##FFFFFF
##644FFF	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074FF

Deuteranopia (green-blind)

#0067FC

Tritanopia (blue-blind)

#007EA1

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #644fff;
/* rgb */ color: rgb(100, 79, 255);
/* oklch */ color: oklch(56.2% 0.247 280.2);

Tailwind

colors: {
  custom: {
    50: '#a082ff',
    500: '#644fff',
    950: '#000000',
  },
}

SCSS

$custom: #644fff;
$custom-light: #a082ff;
$custom-dark: #000000;

JSON

{
  "hex": "#644fff",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 255
  },
  "hsl": {
    "h": 247.159,
    "s": 100,
    "l": 65.49
  },
  "oklch": {
    "l": 0.56158,
    "c": 0.24742,
    "h": 280.2
  },
  "luminance": 0.15521
}

Semantic roles & 50–950 ramp

primary

#644FFF

secondary

#EBF2B7

accent

#E600CA

background

#FAF8FF

surface

#F4EFFF

border

#CECAD7

text

#100B18

muted

#7F7C86

Preview Lab

Preview with #644FFF

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

Preview Lab → · Contrast checker → · Palette generator →