#668BF7#668BF7

#668BF7 is a light, vivid blue. Relative luminance 0.280; OKLCH L 66.1% C 0.166 H 267.5°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#668BF7
RGB	rgb(102, 139, 247)
HSL	hsl(225, 90%, 68%)
HSV	hsv(225, 59%, 97%)
CMYK	cmyk(58.7%, 43.7%, 0%, 3.1%)
CIE-LAB	lab(59.89, 18.88, -58.04)
CIE-LCH	lch(59.89, 61.03, 288.02°)
OKLab	oklab(66.09% -0.0071 -0.1654)
OKLCH	oklch(66.09% 0.166 267.5)
XYZ	xyz(31.4949, 28.0028, 91.7230)
Luminance	0.2801 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668BF7 #F7D266

analogous

#66D3F7 #668BF7 #8966F7

triadic

#668BF7 #F7668B #8BF766

tetradic

#668BF7 #F766D3 #F7D266 #66F789

square

#668BF7 #F766D3 #F7D266 #66F789

split-complementary

#668BF7 #F78966 #D3F766

monochromatic

#0B3FD7 #2C5FF4 #668BF7 #A0B7FA #DAE3FD

Accessibility & contrast

On white

3.18

#668BF7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.60

#668BF7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BF7

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668BF7	#FFFFFF	#000000	##000000
##668BF7	1.00	3.18	6.60	6.60
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.60	21.00	1.00	1.00
##000000	6.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A97FB

Deuteranopia (green-blind)

#458AF5

Tritanopia (blue-blind)

#00A3B5

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #668bf7;
/* rgb */ color: rgb(102, 139, 247);
/* oklch */ color: oklch(66.1% 0.166 267.5);

Tailwind

colors: {
  custom: {
    50: '#9dacfa',
    500: '#668bf7',
    950: '#000000',
  },
}

SCSS

$custom: #668bf7;
$custom-light: #9dacfa;
$custom-dark: #000000;

JSON

{
  "hex": "#668bf7",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 247
  },
  "hsl": {
    "h": 224.69,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.66092,
    "c": 0.16558,
    "h": 267.5
  },
  "luminance": 0.28005
}

Semantic roles & 50–950 ramp

primary

#668BF7

secondary

#F2E7C7

accent

#AB00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668BF7

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

Preview Lab → · Contrast checker → · Palette generator →