#668FFE#668FFE

#668FFE is a light, vivid blue. Relative luminance 0.296; OKLCH L 67.3% C 0.170 H 266.6°. Best body text is #000000 at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#668FFE
RGB	rgb(102, 143, 254)
HSL	hsl(224, 99%, 70%)
HSV	hsv(224, 60%, 100%)
CMYK	cmyk(59.8%, 43.7%, 0%, 0.4%)
CIE-LAB	lab(61.33, 18.77, -59.59)
CIE-LCH	lch(61.33, 62.48, 287.48°)
OKLab	oklab(67.32% -0.01 -0.1699)
OKLCH	oklch(67.32% 0.17 266.6)
XYZ	xyz(33.1852, 29.6226, 97.7157)
Luminance	0.2963 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FFE #FED566

analogous

#66DBFE #668FFE #8966FE

triadic

#668FFE #FE668F #8FFE66

tetradic

#668FFE #FE66DB #FED566 #66FE89

square

#668FFE #FE66DB #FED566 #66FE89

split-complementary

#668FFE #FE8966 #DBFE66

monochromatic

#0240E8 #2962FE #668FFE #A3BCFE #E0E8FF

Accessibility & contrast

On white

3.03

#668FFE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.93

#668FFE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FFE

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FFE	#FFFFFF	#000000	##000000
##668FFE	1.00	3.03	6.93	6.93
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.93	21.00	1.00	1.00
##000000	6.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C9BFF

Deuteranopia (green-blind)

#458EFC

Tritanopia (blue-blind)

#00A8BA

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #668ffe;
/* rgb */ color: rgb(102, 143, 254);
/* oklch */ color: oklch(67.3% 0.170 266.6);

Tailwind

colors: {
  custom: {
    50: '#9dafff',
    500: '#668ffe',
    950: '#000000',
  },
}

SCSS

$custom: #668ffe;
$custom-light: #9dafff;
$custom-dark: #000000;

JSON

{
  "hex": "#668ffe",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 254
  },
  "hsl": {
    "h": 223.816,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.67319,
    "c": 0.17024,
    "h": 266.6
  },
  "luminance": 0.29625
}

Semantic roles & 50–950 ramp

primary

#668FFE

secondary

#F5EACA

accent

#A800E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #668FFE

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

Preview Lab → · Contrast checker → · Palette generator →