#648CFC#648CFC

#648CFC is a light, vivid blue. Relative luminance 0.285; OKLCH L 66.5% C 0.172 H 266.9°. Best body text is #000000 at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#648CFC
RGB	rgb(100, 140, 252)
HSL	hsl(224, 96%, 69%)
HSV	hsv(224, 60%, 99%)
CMYK	cmyk(60.3%, 44.4%, 0%, 1.2%)
CIE-LAB	lab(60.33, 19.54, -60.10)
CIE-LCH	lch(60.33, 63.19, 288.02°)
OKLab	oklab(66.49% -0.0092 -0.1715)
OKLCH	oklch(66.49% 0.172 266.9)
XYZ	xyz(32.1983, 28.4910, 95.8791)
Luminance	0.2849 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CFC #FCD464

analogous

#64D8FC #648CFC #8864FC

triadic

#648CFC #FC648C #8CFC64

tetradic

#648CFC #FC64D8 #FCD464 #64FC88

square

#648CFC #FC64D8 #FCD464 #64FC88

split-complementary

#648CFC #FC8864 #D8FC64

monochromatic

#043EE1 #285FFB #648CFC #A0B9FD #DCE5FE

Accessibility & contrast

On white

3.13

#648CFC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.70

#648CFC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CFC

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CFC	#FFFFFF	#000000	##000000
##648CFC	1.00	3.13	6.70	6.70
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.70	21.00	1.00	1.00
##000000	6.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5799FF

Deuteranopia (green-blind)

#408BFA

Tritanopia (blue-blind)

#00A5B8

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #648cfc;
/* rgb */ color: rgb(100, 140, 252);
/* oklch */ color: oklch(66.5% 0.172 266.9);

Tailwind

colors: {
  custom: {
    50: '#9cadfe',
    500: '#648cfc',
    950: '#000000',
  },
}

SCSS

$custom: #648cfc;
$custom-light: #9cadfe;
$custom-dark: #000000;

JSON

{
  "hex": "#648cfc",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 252
  },
  "hsl": {
    "h": 224.211,
    "s": 96.203,
    "l": 69.02
  },
  "oklch": {
    "l": 0.66491,
    "c": 0.17174,
    "h": 266.9
  },
  "luminance": 0.28494
}

Semantic roles & 50–950 ramp

primary

#648CFC

secondary

#F4E8C8

accent

#A900E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #648CFC

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

Preview Lab → · Contrast checker → · Palette generator →