#668AF4#668AF4

#668AF4 is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.7% C 0.163 H 267.7°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#668AF4
RGB	rgb(102, 138, 244)
HSL	hsl(225, 87%, 68%)
HSV	hsv(225, 58%, 96%)
CMYK	cmyk(58.2%, 43.4%, 0%, 4.3%)
CIE-LAB	lab(59.46, 18.50, -57.07)
CIE-LCH	lch(59.46, 60.00, 287.96°)
OKLab	oklab(65.71% -0.0066 -0.1626)
OKLCH	oklch(65.71% 0.163 267.7)
XYZ	xyz(30.8916, 27.5309, 89.2565)
Luminance	0.2753 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668AF4 #F4D066

analogous

#66D1F4 #668AF4 #8966F4

triadic

#668AF4 #F4668A #8AF466

tetradic

#668AF4 #F466D1 #F4D066 #66F489

square

#668AF4 #F466D1 #F4D066 #66F489

split-complementary

#668AF4 #F48966 #D1F466

monochromatic

#0F40D1 #2D5EF0 #668AF4 #9FB6F8 #D8E1FC

Accessibility & contrast

On white

3.23

#668AF4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#668AF4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668AF4

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668AF4	#FFFFFF	#000000	##000000
##668AF4	1.00	3.23	6.51	6.51
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.51	21.00	1.00	1.00
##000000	6.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A96F8

Deuteranopia (green-blind)

#4689F2

Tritanopia (blue-blind)

#00A2B3

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #668af4;
/* rgb */ color: rgb(102, 138, 244);
/* oklch */ color: oklch(65.7% 0.163 267.7);

Tailwind

colors: {
  custom: {
    50: '#9cabf8',
    500: '#668af4',
    950: '#000000',
  },
}

SCSS

$custom: #668af4;
$custom-light: #9cabf8;
$custom-dark: #000000;

JSON

{
  "hex": "#668af4",
  "rgb": {
    "r": 102,
    "g": 138,
    "b": 244
  },
  "hsl": {
    "h": 224.789,
    "s": 86.585,
    "l": 67.843
  },
  "oklch": {
    "l": 0.6571,
    "c": 0.16273,
    "h": 267.7
  },
  "luminance": 0.27533
}

Semantic roles & 50–950 ramp

primary

#668AF4

secondary

#F1E6C5

accent

#AA02E3

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668AF4

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

Preview Lab → · Contrast checker → · Palette generator →