#668BF8#668BF8

#668BF8 is a light, vivid blue. Relative luminance 0.281; OKLCH L 66.2% C 0.167 H 267.6°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#668BF8
RGB	rgb(102, 139, 248)
HSL	hsl(225, 91%, 69%)
HSV	hsv(225, 59%, 97%)
CMYK	cmyk(58.9%, 44%, 0%, 2.7%)
CIE-LAB	lab(59.95, 19.20, -58.50)
CIE-LCH	lch(59.95, 61.57, 288.17°)
OKLab	oklab(66.15% -0.007 -0.1668)
OKLCH	oklch(66.15% 0.167 267.6)
XYZ	xyz(31.6497, 28.0647, 92.5379)
Luminance	0.2807 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668BF8 #F8D366

analogous

#66D4F8 #668BF8 #8A66F8

triadic

#668BF8 #F8668B #8BF866

tetradic

#668BF8 #F866D4 #F8D366 #66F88A

square

#668BF8 #F866D4 #F8D366 #66F88A

split-complementary

#668BF8 #F88A66 #D4F866

monochromatic

#0A3FDA #2B5FF5 #668BF8 #A1B7FB #DBE4FD

Accessibility & contrast

On white

3.18

#668BF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#668BF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BF8

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668BF8	#FFFFFF	#000000	##000000
##668BF8	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5997FC

Deuteranopia (green-blind)

#448AF6

Tritanopia (blue-blind)

#00A3B5

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #668bf8;
/* rgb */ color: rgb(102, 139, 248);
/* oklch */ color: oklch(66.2% 0.167 267.6);

Tailwind

colors: {
  custom: {
    50: '#9dacfb',
    500: '#668bf8',
    950: '#000000',
  },
}

SCSS

$custom: #668bf8;
$custom-light: #9dacfb;
$custom-dark: #000000;

JSON

{
  "hex": "#668bf8",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 248
  },
  "hsl": {
    "h": 224.795,
    "s": 91.25,
    "l": 68.627
  },
  "oklch": {
    "l": 0.66153,
    "c": 0.16694,
    "h": 267.6
  },
  "luminance": 0.28067
}

Semantic roles & 50–950 ramp

primary

#668BF8

secondary

#F3E8C7

accent

#AB00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668BF8

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

Preview Lab → · Contrast checker → · Palette generator →