#668DF4#668DF4

#668DF4 is a light, vivid blue. Relative luminance 0.284; OKLCH L 66.3% C 0.159 H 266.5°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#668DF4
RGB	rgb(102, 141, 244)
HSL	hsl(224, 87%, 68%)
HSV	hsv(224, 58%, 96%)
CMYK	cmyk(58.2%, 42.2%, 0%, 4.3%)
CIE-LAB	lab(60.25, 16.71, -55.81)
CIE-LCH	lch(60.25, 58.26, 286.67°)
OKLab	oklab(66.32% -0.0097 -0.1589)
OKLCH	oklch(66.32% 0.159 266.5)
XYZ	xyz(31.3280, 28.4036, 89.4020)
Luminance	0.2841 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668DF4 #F4CD66

analogous

#66D4F4 #668DF4 #8666F4

triadic

#668DF4 #F4668D #8DF466

tetradic

#668DF4 #F466D4 #F4CD66 #66F486

square

#668DF4 #F466D4 #F4CD66 #66F486

split-complementary

#668DF4 #F48666 #D4F466

monochromatic

#0F44D1 #2D62F0 #668DF4 #9FB8F8 #D8E2FC

Accessibility & contrast

On white

3.14

#668DF4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.68

#668DF4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668DF4

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668DF4	#FFFFFF	#000000	##000000
##668DF4	1.00	3.14	6.68	6.68
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.68	21.00	1.00	1.00
##000000	6.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F98F8

Deuteranopia (green-blind)

#4C8BF2

Tritanopia (blue-blind)

#00A4B5

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #668df4;
/* rgb */ color: rgb(102, 141, 244);
/* oklch */ color: oklch(66.3% 0.159 266.5);

Tailwind

colors: {
  custom: {
    50: '#9cadf8',
    500: '#668df4',
    950: '#000000',
  },
}

SCSS

$custom: #668df4;
$custom-light: #9cadf8;
$custom-dark: #000000;

JSON

{
  "hex": "#668df4",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 244
  },
  "hsl": {
    "h": 223.521,
    "s": 86.585,
    "l": 67.843
  },
  "oklch": {
    "l": 0.66315,
    "c": 0.15917,
    "h": 266.5
  },
  "luminance": 0.28406
}

Semantic roles & 50–950 ramp

primary

#668DF4

secondary

#F1E5C5

accent

#A502E3

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668DF4

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

Preview Lab → · Contrast checker → · Palette generator →