#668CFC#668CFC

#668CFC is a light, vivid blue. Relative luminance 0.286; OKLCH L 66.6% C 0.171 H 267.5°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#668CFC
RGB	rgb(102, 140, 252)
HSL	hsl(225, 96%, 69%)
HSV	hsv(225, 60%, 99%)
CMYK	cmyk(59.5%, 44.4%, 0%, 1.2%)
CIE-LAB	lab(60.43, 19.91, -59.92)
CIE-LCH	lch(60.43, 63.14, 288.38°)
OKLab	oklab(66.6% -0.0074 -0.1709)
OKLCH	oklch(66.6% 0.171 267.5)
XYZ	xyz(32.4223, 28.6065, 95.8896)
Luminance	0.2861 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CFC #FCD666

analogous

#66D7FC #668CFC #8B66FC

triadic

#668CFC #FC668C #8CFC66

tetradic

#668CFC #FC66D7 #FCD666 #66FC8B

square

#668CFC #FC66D7 #FCD666 #66FC8B

split-complementary

#668CFC #FC8B66 #D7FC66

monochromatic

#043DE3 #2A5FFB #668CFC #A2B9FD #DEE6FE

Accessibility & contrast

On white

3.12

#668CFC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.72

#668CFC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CFC

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CFC	#FFFFFF	#000000	##000000
##668CFC	1.00	3.12	6.72	6.72
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.72	21.00	1.00	1.00
##000000	6.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5899FF

Deuteranopia (green-blind)

#418BFA

Tritanopia (blue-blind)

#00A5B8

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #668cfc;
/* rgb */ color: rgb(102, 140, 252);
/* oklch */ color: oklch(66.6% 0.171 267.5);

Tailwind

colors: {
  custom: {
    50: '#9dadfe',
    500: '#668cfc',
    950: '#000000',
  },
}

SCSS

$custom: #668cfc;
$custom-light: #9dadfe;
$custom-dark: #000000;

JSON

{
  "hex": "#668cfc",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 252
  },
  "hsl": {
    "h": 224.8,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.66598,
    "c": 0.17111,
    "h": 267.5
  },
  "luminance": 0.28609
}

Semantic roles & 50–950 ramp

primary

#668CFC

secondary

#F5EAC9

accent

#AB00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #668CFC

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

Preview Lab → · Contrast checker → · Palette generator →