#668BF5#668BF5

#668BF5 is a light, vivid blue. Relative luminance 0.279; OKLCH L 66.0% C 0.163 H 267.4°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#668BF5
RGB	rgb(102, 139, 245)
HSL	hsl(224, 88%, 68%)
HSV	hsv(224, 58%, 96%)
CMYK	cmyk(58.4%, 43.3%, 0%, 3.9%)
CIE-LAB	lab(59.78, 18.23, -57.12)
CIE-LCH	lch(59.78, 59.95, 287.70°)
OKLab	oklab(65.97% -0.0075 -0.1627)
OKLCH	oklch(65.97% 0.163 267.4)
XYZ	xyz(31.1880, 27.8800, 90.1064)
Luminance	0.2788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668BF5 #F5D066

analogous

#66D2F5 #668BF5 #8966F5

triadic

#668BF5 #F5668B #8BF566

tetradic

#668BF5 #F566D2 #F5D066 #66F589

square

#668BF5 #F566D2 #F5D066 #66F589

split-complementary

#668BF5 #F58966 #D2F566

monochromatic

#0E41D3 #2D5FF1 #668BF5 #9FB7F9 #D9E2FD

Accessibility & contrast

On white

3.19

#668BF5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#668BF5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BF5

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668BF5	#FFFFFF	#000000	##000000
##668BF5	1.00	3.19	6.58	6.58
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.58	21.00	1.00	1.00
##000000	6.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B97F9

Deuteranopia (green-blind)

#478AF3

Tritanopia (blue-blind)

#00A3B4

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #668bf5;
/* rgb */ color: rgb(102, 139, 245);
/* oklch */ color: oklch(66.0% 0.163 267.4);

Tailwind

colors: {
  custom: {
    50: '#9cacf9',
    500: '#668bf5',
    950: '#000000',
  },
}

SCSS

$custom: #668bf5;
$custom-light: #9cacf9;
$custom-dark: #000000;

JSON

{
  "hex": "#668bf5",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 245
  },
  "hsl": {
    "h": 224.476,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.65971,
    "c": 0.16289,
    "h": 267.4
  },
  "luminance": 0.27883
}

Semantic roles & 50–950 ramp

primary

#668BF5

secondary

#F1E6C6

accent

#AA01E4

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668BF5

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

Preview Lab → · Contrast checker → · Palette generator →