#668DF8#668DF8

#668DF8 is a light, vivid blue. Relative luminance 0.287; OKLCH L 66.6% C 0.165 H 266.9°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#668DF8
RGB	rgb(102, 141, 248)
HSL	hsl(224, 91%, 69%)
HSV	hsv(224, 59%, 97%)
CMYK	cmyk(58.9%, 43.1%, 0%, 2.7%)
CIE-LAB	lab(60.47, 18.01, -57.67)
CIE-LCH	lch(60.47, 60.41, 287.34°)
OKLab	oklab(66.55% -0.009 -0.1643)
OKLCH	oklch(66.55% 0.165 266.9)
XYZ	xyz(31.9419, 28.6492, 92.6353)
Luminance	0.2865 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668DF8 #F8D166

analogous

#66D6F8 #668DF8 #8866F8

triadic

#668DF8 #F8668D #8DF866

tetradic

#668DF8 #F866D6 #F8D166 #66F888

square

#668DF8 #F866D6 #F8D166 #66F888

split-complementary

#668DF8 #F88866 #D6F866

monochromatic

#0A41DA #2B61F5 #668DF8 #A1B9FB #DBE4FD

Accessibility & contrast

On white

3.12

#668DF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.73

#668DF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668DF8

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668DF8	#FFFFFF	#000000	##000000
##668DF8	1.00	3.12	6.73	6.73
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.73	21.00	1.00	1.00
##000000	6.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D99FC

Deuteranopia (green-blind)

#488CF6

Tritanopia (blue-blind)

#00A5B6

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #668df8;
/* rgb */ color: rgb(102, 141, 248);
/* oklch */ color: oklch(66.6% 0.165 266.9);

Tailwind

colors: {
  custom: {
    50: '#9dadfb',
    500: '#668df8',
    950: '#000000',
  },
}

SCSS

$custom: #668df8;
$custom-light: #9dadfb;
$custom-dark: #000000;

JSON

{
  "hex": "#668df8",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 248
  },
  "hsl": {
    "h": 223.973,
    "s": 91.25,
    "l": 68.627
  },
  "oklch": {
    "l": 0.66555,
    "c": 0.16456,
    "h": 266.9
  },
  "luminance": 0.28652
}

Semantic roles & 50–950 ramp

primary

#668DF8

secondary

#F3E7C7

accent

#A800E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668DF8

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

Preview Lab → · Contrast checker → · Palette generator →