#668BF2#668BF2

#668BF2 is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.8% C 0.159 H 267.1°. Best body text is #000000 at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#668BF2
RGB	rgb(102, 139, 242)
HSL	hsl(224, 84%, 67%)
HSV	hsv(224, 58%, 95%)
CMYK	cmyk(57.9%, 42.6%, 0%, 5.1%)
CIE-LAB	lab(59.62, 17.26, -55.72)
CIE-LCH	lch(59.62, 58.33, 287.21°)
OKLab	oklab(65.79% -0.008 -0.1586)
OKLCH	oklch(65.79% 0.159 267.1)
XYZ	xyz(30.7337, 27.6983, 87.7139)
Luminance	0.2770 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668BF2 #F2CD66

analogous

#66D1F2 #668BF2 #8766F2

triadic

#668BF2 #F2668B #8BF266

tetradic

#668BF2 #F266D1 #F2CD66 #66F287

square

#668BF2 #F266D1 #F2CD66 #66F287

split-complementary

#668BF2 #F28766 #D1F266

monochromatic

#1143CC #2E60ED #668BF2 #9EB6F7 #D7E1FC

Accessibility & contrast

On white

3.21

#668BF2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.54

#668BF2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BF2

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668BF2	#FFFFFF	#000000	##000000
##668BF2	1.00	3.21	6.54	6.54
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.54	21.00	1.00	1.00
##000000	6.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D96F6

Deuteranopia (green-blind)

#4A8AF0

Tritanopia (blue-blind)

#00A2B3

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #668bf2;
/* rgb */ color: rgb(102, 139, 242);
/* oklch */ color: oklch(65.8% 0.159 267.1);

Tailwind

colors: {
  custom: {
    50: '#9cacf7',
    500: '#668bf2',
    950: '#000000',
  },
}

SCSS

$custom: #668bf2;
$custom-light: #9cacf7;
$custom-dark: #000000;

JSON

{
  "hex": "#668bf2",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 242
  },
  "hsl": {
    "h": 224.143,
    "s": 84.337,
    "l": 67.451
  },
  "oklch": {
    "l": 0.65791,
    "c": 0.15883,
    "h": 267.1
  },
  "luminance": 0.27701
}

Semantic roles & 50–950 ramp

primary

#668BF2

secondary

#F0E4C4

accent

#A705E1

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668BF2

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

Preview Lab → · Contrast checker → · Palette generator →