#668DFC#668DFC

#668DFC is a light, vivid blue. Relative luminance 0.289; OKLCH L 66.8% C 0.170 H 267.2°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#668DFC
RGB	rgb(102, 141, 252)
HSL	hsl(224, 96%, 69%)
HSV	hsv(224, 60%, 99%)
CMYK	cmyk(59.5%, 44%, 0%, 1.2%)
CIE-LAB	lab(60.69, 19.31, -59.51)
CIE-LCH	lch(60.69, 62.56, 287.98°)
OKLab	oklab(66.8% -0.0084 -0.1697)
OKLCH	oklch(66.8% 0.17 267.2)
XYZ	xyz(32.5691, 28.9001, 95.9385)
Luminance	0.2890 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668DFC #FCD566

analogous

#66D8FC #668DFC #8A66FC

triadic

#668DFC #FC668D #8DFC66

tetradic

#668DFC #FC66D8 #FCD566 #66FC8A

square

#668DFC #FC66D8 #FCD566 #66FC8A

split-complementary

#668DFC #FC8A66 #D8FC66

monochromatic

#043EE3 #2A60FB #668DFC #A2BAFD #DEE6FE

Accessibility & contrast

On white

3.10

#668DFC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#668DFC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668DFC

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668DFC	#FFFFFF	#000000	##000000
##668DFC	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A9AFF

Deuteranopia (green-blind)

#438CFA

Tritanopia (blue-blind)

#00A6B8

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #668dfc;
/* rgb */ color: rgb(102, 141, 252);
/* oklch */ color: oklch(66.8% 0.170 267.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#668dfc",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 252
  },
  "hsl": {
    "h": 224.4,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.66797,
    "c": 0.16993,
    "h": 267.2
  },
  "luminance": 0.28903
}

Semantic roles & 50–950 ramp

primary

#668DFC

secondary

#F5E9C9

accent

#AA00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #668DFC

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

Preview Lab → · Contrast checker → · Palette generator →