#668CFE#668CFE

#668CFE is a light, vivid blue. Relative luminance 0.287; OKLCH L 66.7% C 0.174 H 267.7°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#668CFE
RGB	rgb(102, 140, 254)
HSL	hsl(225, 99%, 70%)
HSV	hsv(225, 60%, 100%)
CMYK	cmyk(59.8%, 44.9%, 0%, 0.4%)
CIE-LAB	lab(60.55, 20.56, -60.84)
CIE-LCH	lch(60.55, 64.22, 288.67°)
OKLab	oklab(66.72% -0.0071 -0.1736)
OKLCH	oklch(66.72% 0.174 267.7)
XYZ	xyz(32.7409, 28.7339, 97.5675)
Luminance	0.2874 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CFE #FED866

analogous

#66D8FE #668CFE #8C66FE

triadic

#668CFE #FE668C #8CFE66

tetradic

#668CFE #FE66D8 #FED866 #66FE8C

square

#668CFE #FE66D8 #FED866 #66FE8C

split-complementary

#668CFE #FE8C66 #D8FE66

monochromatic

#023BE8 #295EFE #668CFE #A3BAFE #E0E7FF

Accessibility & contrast

On white

3.11

#668CFE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.75

#668CFE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CFE

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CFE	#FFFFFF	#000000	##000000
##668CFE	1.00	3.11	6.75	6.75
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.75	21.00	1.00	1.00
##000000	6.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5699FF

Deuteranopia (green-blind)

#3E8CFC

Tritanopia (blue-blind)

#00A6B9

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #668cfe;
/* rgb */ color: rgb(102, 140, 254);
/* oklch */ color: oklch(66.7% 0.174 267.7);

Tailwind

colors: {
  custom: {
    50: '#9eadff',
    500: '#668cfe',
    950: '#000000',
  },
}

SCSS

$custom: #668cfe;
$custom-light: #9eadff;
$custom-dark: #000000;

JSON

{
  "hex": "#668cfe",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 254
  },
  "hsl": {
    "h": 225,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.66721,
    "c": 0.17379,
    "h": 267.7
  },
  "luminance": 0.28737
}

Semantic roles & 50–950 ramp

primary

#668CFE

secondary

#F5EBCA

accent

#AC00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #668CFE

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

Preview Lab → · Contrast checker → · Palette generator →