#647CF0#647CF0

#647CF0 is a light, vivid blue. Relative luminance 0.234; OKLCH L 62.6% C 0.175 H 271.7°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#647CF0
RGB	rgb(100, 124, 240)
HSL	hsl(230, 82%, 67%)
HSV	hsv(230, 58%, 94%)
CMYK	cmyk(58.3%, 48.3%, 0%, 5.9%)
CIE-LAB	lab(55.50, 25.26, -61.21)
CIE-LCH	lch(55.50, 66.22, 292.42°)
OKLab	oklab(62.58% 0.0051 -0.175)
OKLCH	oklch(62.58% 0.175 271.7)
XYZ	xyz(28.1861, 23.4137, 85.4552)
Luminance	0.2342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647CF0 #F0D864

analogous

#64C2F0 #647CF0 #9264F0

triadic

#647CF0 #F0647C #7CF064

tetradic

#647CF0 #F064C2 #F0D864 #64F092

square

#647CF0 #F064C2 #F0D864 #64F092

split-complementary

#647CF0 #F09264 #C2F064

monochromatic

#1332C6 #2C4DEB #647CF0 #9CABF5 #D4DAFB

Accessibility & contrast

On white

3.70

#647CF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.68

#647CF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647CF0

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647CF0	#FFFFFF	#000000	##000000
##647CF0	1.00	3.70	5.68	5.68
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.68	21.00	1.00	1.00
##000000	5.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#418BF4

Deuteranopia (green-blind)

#287FEE

Tritanopia (blue-blind)

#0096AB

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #647cf0;
/* rgb */ color: rgb(100, 124, 240);
/* oklch */ color: oklch(62.6% 0.175 271.7);

Tailwind

colors: {
  custom: {
    50: '#9ba1f6',
    500: '#647cf0',
    950: '#000000',
  },
}

SCSS

$custom: #647cf0;
$custom-light: #9ba1f6;
$custom-dark: #000000;

JSON

{
  "hex": "#647cf0",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 240
  },
  "hsl": {
    "h": 229.714,
    "s": 82.353,
    "l": 66.667
  },
  "oklch": {
    "l": 0.6258,
    "c": 0.17505,
    "h": 271.7
  },
  "luminance": 0.23416
}

Semantic roles & 50–950 ramp

primary

#647CF0

secondary

#EEE7C1

accent

#BA07DF

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #647CF0

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

Preview Lab → · Contrast checker → · Palette generator →