#668FAC#668FAC

#668FAC is a light, moderate cyan. Relative luminance 0.254; OKLCH L 63.1% C 0.063 H 239.8°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#668FAC
RGB	rgb(102, 143, 172)
HSL	hsl(205, 30%, 54%)
HSV	hsv(205, 41%, 67%)
CMYK	cmyk(40.7%, 16.9%, 0%, 32.5%)
CIE-LAB	lab(57.51, -6.42, -19.69)
CIE-LCH	lch(57.51, 20.71, 251.94°)
OKLab	oklab(63.1% -0.0316 -0.0544)
OKLCH	oklch(63.1% 0.063 239.8)
XYZ	xyz(22.7459, 25.4469, 42.7349)
Luminance	0.2545 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668FAC #AC8366

analogous

#66ACA6 #668FAC #666CAC

triadic

#668FAC #AC668F #8FAC66

tetradic

#668FAC #A666AC #AC8366 #6CAC66

square

#668FAC #A666AC #AC8366 #6CAC66

split-complementary

#668FAC #AC666C #ACA666

monochromatic

#355062 #4B708A #668FAC #8EACC2 #B5C9D7

Accessibility & contrast

On white

3.45

#668FAC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#668FAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FAC

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668FAC	#FFFFFF	#000000	##000000
##668FAC	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#828EAD

Deuteranopia (green-blind)

#7987AC

Tritanopia (blue-blind)

#4C9698

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #668fac;
/* rgb */ color: rgb(102, 143, 172);
/* oklch */ color: oklch(63.1% 0.063 239.8);

Tailwind

colors: {
  custom: {
    50: '#94afc4',
    500: '#668fac',
    950: '#000000',
  },
}

SCSS

$custom: #668fac;
$custom-light: #94afc4;
$custom-dark: #000000;

JSON

{
  "hex": "#668fac",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 172
  },
  "hsl": {
    "h": 204.857,
    "s": 29.661,
    "l": 53.725
  },
  "oklch": {
    "l": 0.63097,
    "c": 0.06293,
    "h": 239.8
  },
  "luminance": 0.25448
}

Semantic roles & 50–950 ramp

primary

#668FAC

secondary

#C6B4A8

accent

#8B62C6

background

#F9FAFC

surface

#F2F4F8

border

#CCCED1

text

#0D1012

muted

#7E7F81

Preview Lab

Preview with #668FAC

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

Preview Lab → · Contrast checker → · Palette generator →