#668CA4#668CA4

#668CA4 is a light, muted cyan. Relative luminance 0.243; OKLCH L 62.1% C 0.056 H 236.6°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#668CA4
RGB	rgb(102, 140, 164)
HSL	hsl(203, 25%, 52%)
HSV	hsv(203, 38%, 64%)
CMYK	cmyk(37.8%, 14.6%, 0%, 35.7%)
CIE-LAB	lab(56.35, -6.92, -16.89)
CIE-LCH	lch(56.35, 18.25, 247.70°)
OKLab	oklab(62.08% -0.0307 -0.0465)
OKLCH	oklch(62.08% 0.056 236.6)
XYZ	xyz(21.5562, 24.2601, 38.6616)
Luminance	0.2426 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CA4 #A47E66

analogous

#66A49D #668CA4 #666DA4

triadic

#668CA4 #A4668C #8CA466

tetradic

#668CA4 #9D66A4 #A47E66 #6DA466

square

#668CA4 #9D66A4 #A47E66 #6DA466

split-complementary

#668CA4 #A4666D #A49D66

monochromatic

#364C5A #4C6C80 #668CA4 #8CA9BB #B3C6D2

Accessibility & contrast

On white

3.59

#668CA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.85

#668CA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CA4

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CA4	#FFFFFF	#000000	##000000
##668CA4	1.00	3.59	5.85	5.85
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.85	21.00	1.00	1.00
##000000	5.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818BA5

Deuteranopia (green-blind)

#7984A4

Tritanopia (blue-blind)

#509294

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #668ca4;
/* rgb */ color: rgb(102, 140, 164);
/* oklch */ color: oklch(62.1% 0.056 236.6);

Tailwind

colors: {
  custom: {
    50: '#94adbf',
    500: '#668ca4',
    950: '#000000',
  },
}

SCSS

$custom: #668ca4;
$custom-light: #94adbf;
$custom-dark: #000000;

JSON

{
  "hex": "#668ca4",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 164
  },
  "hsl": {
    "h": 203.226,
    "s": 25.41,
    "l": 52.157
  },
  "oklch": {
    "l": 0.62083,
    "c": 0.05571,
    "h": 236.6
  },
  "luminance": 0.24261
}

Semantic roles & 50–950 ramp

primary

#668CA4

secondary

#C0B0A5

accent

#8A66C2

background

#F9FAFB

surface

#F2F4F7

border

#CCCED0

text

#0D1012

muted

#7E7F81

Preview Lab

Preview with #668CA4

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

Preview Lab → · Contrast checker → · Palette generator →