#647CF7#647CF7

#647CF7 is a light, vivid blue. Relative luminance 0.238; OKLCH L 63.0% C 0.184 H 271.8°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#647CF7
RGB	rgb(100, 124, 247)
HSL	hsl(230, 90%, 68%)
HSV	hsv(230, 60%, 97%)
CMYK	cmyk(59.5%, 49.8%, 0%, 3.1%)
CIE-LAB	lab(55.92, 27.54, -64.41)
CIE-LCH	lch(55.92, 70.05, 293.15°)
OKLab	oklab(63.04% 0.0058 -0.1844)
OKLCH	oklch(63.04% 0.184 271.8)
XYZ	xyz(29.2461, 23.8377, 91.0376)
Luminance	0.2384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647CF7 #F7DF64

analogous

#64C5F7 #647CF7 #9564F7

triadic

#647CF7 #F7647C #7CF764

tetradic

#647CF7 #F764C5 #F7DF64 #64F795

square

#647CF7 #F764C5 #F7DF64 #64F795

split-complementary

#647CF7 #F79564 #C5F764

monochromatic

#0B2CD6 #2A4BF4 #647CF7 #9EADFA #D8DEFD

Accessibility & contrast

On white

3.64

#647CF7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#647CF7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647CF7

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647CF7	#FFFFFF	#000000	##000000
##647CF7	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#398DFB

Deuteranopia (green-blind)

#1680F4

Tritanopia (blue-blind)

#0098AE

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #647cf7;
/* rgb */ color: rgb(100, 124, 247);
/* oklch */ color: oklch(63.0% 0.184 271.8);

Tailwind

colors: {
  custom: {
    50: '#9ca1fb',
    500: '#647cf7',
    950: '#000000',
  },
}

SCSS

$custom: #647cf7;
$custom-light: #9ca1fb;
$custom-dark: #000000;

JSON

{
  "hex": "#647cf7",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 247
  },
  "hsl": {
    "h": 230.204,
    "s": 90.184,
    "l": 68.039
  },
  "oklch": {
    "l": 0.63043,
    "c": 0.18445,
    "h": 271.8
  },
  "luminance": 0.2384
}

Semantic roles & 50–950 ramp

primary

#647CF7

secondary

#F2EBC5

accent

#C000E6

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0F17

muted

#7F7E85

Preview Lab

Preview with #647CF7

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

Preview Lab → · Contrast checker → · Palette generator →