#668FF8#668FF8

#668FF8 is a light, vivid blue. Relative luminance 0.292; OKLCH L 67.0% C 0.162 H 266.1°. Best body text is #000000 at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#668FF8
RGB	rgb(102, 143, 248)
HSL	hsl(223, 91%, 69%)
HSV	hsv(223, 59%, 97%)
CMYK	cmyk(58.9%, 42.3%, 0%, 2.7%)
CIE-LAB	lab(61.00, 16.82, -56.83)
CIE-LCH	lch(61.00, 59.26, 286.49°)
OKLab	oklab(66.96% -0.0111 -0.1618)
OKLCH	oklch(66.96% 0.162 266.1)
XYZ	xyz(32.2395, 29.2443, 92.7345)
Luminance	0.2925 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FF8 #F8CF66

analogous

#66D8F8 #668FF8 #8666F8

triadic

#668FF8 #F8668F #8FF866

tetradic

#668FF8 #F866D8 #F8CF66 #66F886

square

#668FF8 #F866D8 #F8CF66 #66F886

split-complementary

#668FF8 #F88666 #D8F866

monochromatic

#0A44DA #2B64F5 #668FF8 #A1BAFB #DBE5FD

Accessibility & contrast

On white

3.07

#668FF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.85

#668FF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FF8

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FF8	#FFFFFF	#000000	##000000
##668FF8	1.00	3.07	6.85	6.85
#FFFFFF	3.07	1.00	21.00	21.00
#000000	6.85	21.00	1.00	1.00
##000000	6.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#609AFC

Deuteranopia (green-blind)

#4B8DF6

Tritanopia (blue-blind)

#00A6B7

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #668ff8;
/* rgb */ color: rgb(102, 143, 248);
/* oklch */ color: oklch(67.0% 0.162 266.1);

Tailwind

colors: {
  custom: {
    50: '#9daffb',
    500: '#668ff8',
    950: '#000000',
  },
}

SCSS

$custom: #668ff8;
$custom-light: #9daffb;
$custom-dark: #000000;

JSON

{
  "hex": "#668ff8",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 248
  },
  "hsl": {
    "h": 223.151,
    "s": 91.25,
    "l": 68.627
  },
  "oklch": {
    "l": 0.66959,
    "c": 0.1622,
    "h": 266.1
  },
  "luminance": 0.29247
}

Semantic roles & 50–950 ramp

primary

#668FF8

secondary

#F3E6C7

accent

#A500E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668FF8

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

Preview Lab → · Contrast checker → · Palette generator →