#644CF7#644CF7

#644CF7 is a mid, highly saturated blue. Relative luminance 0.146; OKLCH L 55.0% C 0.241 H 281.3°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#644CF7
RGB	rgb(100, 76, 247)
HSL	hsl(248, 91%, 63%)
HSV	hsv(248, 69%, 97%)
CMYK	cmyk(59.5%, 69.2%, 0%, 3.1%)
CIE-LAB	lab(45.07, 55.51, -82.05)
CIE-LCH	lch(45.07, 99.07, 304.08°)
OKLab	oklab(55.04% 0.0475 -0.2365)
OKLCH	oklch(55.04% 0.241 281.3)
XYZ	xyz(24.6232, 14.5919, 89.4966)
Luminance	0.1459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CF7 #DFF74C

analogous

#4C89F7 #644CF7 #B94CF7

triadic

#644CF7 #F7644C #4CF764

tetradic

#644CF7 #F74C89 #DFF74C #4CF7B9

square

#644CF7 #F74C89 #DFF74C #4CF7B9

split-complementary

#644CF7 #F7B94C #89F74C

monochromatic

#2209C0 #3111F4 #644CF7 #9787FA #C9C1FC

Accessibility & contrast

On white

5.36

#644CF7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#644CF7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CF7

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CF7	#FFFFFF	#000000	##FFFFFF
##644CF7	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071FC

Deuteranopia (green-blind)

#0064F4

Tritanopia (blue-blind)

#007A9C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #644cf7;
/* rgb */ color: rgb(100, 76, 247);
/* oklch */ color: oklch(55.0% 0.241 281.3);

Tailwind

colors: {
  custom: {
    50: '#9f80fb',
    500: '#644cf7',
    950: '#000000',
  },
}

SCSS

$custom: #644cf7;
$custom-light: #9f80fb;
$custom-dark: #000000;

JSON

{
  "hex": "#644cf7",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 247
  },
  "hsl": {
    "h": 248.421,
    "s": 91.444,
    "l": 63.333
  },
  "oklch": {
    "l": 0.55041,
    "c": 0.2412,
    "h": 281.3
  },
  "luminance": 0.14594
}

Semantic roles & 50–950 ramp

primary

#644CF7

secondary

#E5EEB1

accent

#E600C5

background

#FAF8FF

surface

#F4EFFF

border

#CECAD7

text

#100A18

muted

#7F7C86

Preview Lab

Preview with #644CF7

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

Preview Lab → · Contrast checker → · Palette generator →