#647EFD#647EFD

#647EFD is a light, vivid blue. Relative luminance 0.247; OKLCH L 63.8% C 0.190 H 271.3°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#647EFD
RGB	rgb(100, 126, 253)
HSL	hsl(230, 97%, 69%)
HSV	hsv(230, 60%, 99%)
CMYK	cmyk(60.5%, 50.2%, 0%, 0.8%)
CIE-LAB	lab(56.80, 28.29, -66.31)
CIE-LCH	lch(56.80, 72.09, 293.10°)
OKLab	oklab(63.83% 0.0045 -0.1899)
OKLCH	oklch(63.83% 0.19 271.3)
XYZ	xyz(30.4401, 24.7204, 96.0768)
Luminance	0.2472 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647EFD #FDE364

analogous

#64CBFD #647EFD #9764FD

triadic

#647EFD #FD647E #7EFD64

tetradic

#647EFD #FD64CB #FDE364 #64FD97

square

#647EFD #FD64CB #FDE364 #64FD97

split-complementary

#647EFD #FD9764 #CBFD64

monochromatic

#0329E4 #284CFC #647EFD #A0B0FE #DDE3FF

Accessibility & contrast

On white

3.53

#647EFD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.94

#647EFD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647EFD

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647EFD	#FFFFFF	#000000	##000000
##647EFD	1.00	3.53	5.94	5.94
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.94	21.00	1.00	1.00
##000000	5.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#378FFF

Deuteranopia (green-blind)

#0882FA

Tritanopia (blue-blind)

#009BB2

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #647efd;
/* rgb */ color: rgb(100, 126, 253);
/* oklch */ color: oklch(63.8% 0.190 271.3);

Tailwind

colors: {
  custom: {
    50: '#9da3ff',
    500: '#647efd',
    950: '#000000',
  },
}

SCSS

$custom: #647efd;
$custom-light: #9da3ff;
$custom-dark: #000000;

JSON

{
  "hex": "#647efd",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 253
  },
  "hsl": {
    "h": 229.804,
    "s": 97.452,
    "l": 69.216
  },
  "oklch": {
    "l": 0.63826,
    "c": 0.18998,
    "h": 271.3
  },
  "luminance": 0.24723
}

Semantic roles & 50–950 ramp

primary

#647EFD

secondary

#F5EDC8

accent

#BF00E6

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#0F0F18

muted

#7F7F86

Preview Lab

Preview with #647EFD

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

Preview Lab → · Contrast checker → · Palette generator →