#668FC4#668FC4

#668FC4 is a light, moderate cyan. Relative luminance 0.265; OKLCH L 64.2% C 0.092 H 255.2°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#668FC4
RGB	rgb(102, 143, 196)
HSL	hsl(214, 44%, 58%)
HSV	hsv(214, 48%, 77%)
CMYK	cmyk(48%, 27%, 0%, 23.1%)
CIE-LAB	lab(58.47, 0.51, -31.84)
CIE-LCH	lch(58.47, 31.85, 270.91°)
OKLab	oklab(64.17% -0.0235 -0.0891)
OKLCH	oklch(64.17% 0.092 255.2)
XYZ	xyz(25.2624, 26.4535, 55.9887)
Luminance	0.2646 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FC4 #C49B66

analogous

#66BEC4 #668FC4 #6C66C4

triadic

#668FC4 #C4668F #8FC466

tetradic

#668FC4 #C466BE #C49B66 #66C46C

square

#668FC4 #C466BE #C49B66 #66C46C

split-complementary

#668FC4 #C46C66 #BEC466

monochromatic

#31537F #4270AB #668FC4 #92AFD5 #BED0E6

Accessibility & contrast

On white

3.34

#668FC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.29

#668FC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FC4

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FC4	#FFFFFF	#000000	##000000
##668FC4	1.00	3.34	6.29	6.29
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.29	21.00	1.00	1.00
##000000	6.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A92C6

Deuteranopia (green-blind)

#6F88C3

Tritanopia (blue-blind)

#3D9BA1

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #668fc4;
/* rgb */ color: rgb(102, 143, 196);
/* oklch */ color: oklch(64.2% 0.092 255.2);

Tailwind

colors: {
  custom: {
    50: '#96afd6',
    500: '#668fc4',
    950: '#000000',
  },
}

SCSS

$custom: #668fc4;
$custom-light: #96afd6;
$custom-dark: #000000;

JSON

{
  "hex": "#668fc4",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 196
  },
  "hsl": {
    "h": 213.83,
    "s": 44.34,
    "l": 58.431
  },
  "oklch": {
    "l": 0.64166,
    "c": 0.09211,
    "h": 255.2
  },
  "luminance": 0.26455
}

Semantic roles & 50–950 ramp

primary

#668FC4

secondary

#D6C5B0

accent

#9C54D4

background

#F9FAFD

surface

#F2F4FA

border

#CCCED3

text

#0E1014

muted

#7E7F83

Preview Lab

Preview with #668FC4

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

Preview Lab → · Contrast checker → · Palette generator →