#647CFD#647CFD

#647CFD is a light, vivid blue. Relative luminance 0.242; OKLCH L 63.4% C 0.192 H 271.9°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#647CFD
RGB	rgb(100, 124, 253)
HSL	hsl(231, 97%, 69%)
HSV	hsv(231, 60%, 99%)
CMYK	cmyk(60.5%, 51%, 0%, 0.8%)
CIE-LAB	lab(56.30, 29.49, -67.12)
CIE-LCH	lch(56.30, 73.31, 293.72°)
OKLab	oklab(63.45% 0.0064 -0.1923)
OKLCH	oklch(63.45% 0.192 271.9)
XYZ	xyz(30.1869, 24.2140, 95.9924)
Luminance	0.2422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647CFD #FDE564

analogous

#64C9FD #647CFD #9964FD

triadic

#647CFD #FD647C #7CFD64

tetradic

#647CFD #FD64C9 #FDE564 #64FD99

square

#647CFD #FD64C9 #FDE564 #64FD99

split-complementary

#647CFD #FD9964 #C9FD64

monochromatic

#0326E4 #2849FC #647CFD #A0AFFE #DDE2FF

Accessibility & contrast

On white

3.59

#647CFD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.84

#647CFD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647CFD

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647CFD	#FFFFFF	#000000	##000000
##647CFD	1.00	3.59	5.84	5.84
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.84	21.00	1.00	1.00
##000000	5.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#318EFF

Deuteranopia (green-blind)

#0081FA

Tritanopia (blue-blind)

#009AB1

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #647cfd;
/* rgb */ color: rgb(100, 124, 253);
/* oklch */ color: oklch(63.4% 0.192 271.9);

Tailwind

colors: {
  custom: {
    50: '#9da1ff',
    500: '#647cfd',
    950: '#000000',
  },
}

SCSS

$custom: #647cfd;
$custom-light: #9da1ff;
$custom-dark: #000000;

JSON

{
  "hex": "#647cfd",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 253
  },
  "hsl": {
    "h": 230.588,
    "s": 97.452,
    "l": 69.216
  },
  "oklch": {
    "l": 0.63448,
    "c": 0.19244,
    "h": 271.9
  },
  "luminance": 0.24216
}

Semantic roles & 50–950 ramp

primary

#647CFD

secondary

#F5EEC8

accent

#C100E6

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#100F18

muted

#7F7E86

Preview Lab

Preview with #647CFD

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

Preview Lab → · Contrast checker → · Palette generator →