#668BF6#668BF6

#668BF6 is a light, vivid blue. Relative luminance 0.279; OKLCH L 66.0% C 0.164 H 267.4°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#668BF6
RGB	rgb(102, 139, 246)
HSL	hsl(225, 89%, 68%)
HSV	hsv(225, 59%, 96%)
CMYK	cmyk(58.5%, 43.5%, 0%, 3.5%)
CIE-LAB	lab(59.84, 18.55, -57.58)
CIE-LCH	lch(59.84, 60.49, 287.86°)
OKLab	oklab(66.03% -0.0073 -0.1641)
OKLCH	oklch(66.03% 0.164 267.4)
XYZ	xyz(31.3410, 27.9413, 90.9125)
Luminance	0.2794 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668BF6 #F6D166

analogous

#66D3F6 #668BF6 #8966F6

triadic

#668BF6 #F6668B #8BF666

tetradic

#668BF6 #F666D3 #F6D166 #66F689

square

#668BF6 #F666D3 #F6D166 #66F689

split-complementary

#668BF6 #F68966 #D3F666

monochromatic

#0D40D5 #2C5FF3 #668BF6 #A0B7F9 #DAE3FD

Accessibility & contrast

On white

3.19

#668BF6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#668BF6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BF6

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668BF6	#FFFFFF	#000000	##000000
##668BF6	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A97FA

Deuteranopia (green-blind)

#468AF4

Tritanopia (blue-blind)

#00A3B4

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #668bf6;
/* rgb */ color: rgb(102, 139, 246);
/* oklch */ color: oklch(66.0% 0.164 267.4);

Tailwind

colors: {
  custom: {
    50: '#9cacfa',
    500: '#668bf6',
    950: '#000000',
  },
}

SCSS

$custom: #668bf6;
$custom-light: #9cacfa;
$custom-dark: #000000;

JSON

{
  "hex": "#668bf6",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 246
  },
  "hsl": {
    "h": 224.583,
    "s": 88.889,
    "l": 68.235
  },
  "oklch": {
    "l": 0.66032,
    "c": 0.16424,
    "h": 267.4
  },
  "luminance": 0.27944
}

Semantic roles & 50–950 ramp

primary

#668BF6

secondary

#F2E7C6

accent

#AB00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668BF6

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

Preview Lab → · Contrast checker → · Palette generator →