#668CA5#668CA5

#668CA5 is a light, muted cyan. Relative luminance 0.243; OKLCH L 62.1% C 0.057 H 237.7°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#668CA5
RGB	rgb(102, 140, 165)
HSL	hsl(204, 26%, 52%)
HSV	hsv(204, 38%, 65%)
CMYK	cmyk(38.2%, 15.2%, 0%, 35.3%)
CIE-LAB	lab(56.38, -6.65, -17.41)
CIE-LCH	lch(56.38, 18.63, 249.08°)
OKLab	oklab(62.12% -0.0303 -0.0479)
OKLCH	oklch(62.12% 0.057 237.7)
XYZ	xyz(21.6469, 24.2963, 39.1390)
Luminance	0.2430 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CA5 #A57F66

analogous

#66A59F #668CA5 #666CA5

triadic

#668CA5 #A5668C #8CA566

tetradic

#668CA5 #9F66A5 #A57F66 #6CA566

square

#668CA5 #9F66A5 #A57F66 #6CA566

split-complementary

#668CA5 #A5666C #A59F66

monochromatic

#364C5B #4C6C82 #668CA5 #8DA9BC #B3C6D2

Accessibility & contrast

On white

3.58

#668CA5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#668CA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CA5

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CA5	#FFFFFF	#000000	##000000
##668CA5	1.00	3.58	5.86	5.86
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818BA6

Deuteranopia (green-blind)

#7884A5

Tritanopia (blue-blind)

#509294

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #668ca5;
/* rgb */ color: rgb(102, 140, 165);
/* oklch */ color: oklch(62.1% 0.057 237.7);

Tailwind

colors: {
  custom: {
    50: '#94adbf',
    500: '#668ca5',
    950: '#000000',
  },
}

SCSS

$custom: #668ca5;
$custom-light: #94adbf;
$custom-dark: #000000;

JSON

{
  "hex": "#668ca5",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 165
  },
  "hsl": {
    "h": 203.81,
    "s": 25.926,
    "l": 52.353
  },
  "oklch": {
    "l": 0.62123,
    "c": 0.05673,
    "h": 237.7
  },
  "luminance": 0.24298
}

Semantic roles & 50–950 ramp

primary

#668CA5

secondary

#C1B1A6

accent

#8A65C2

background

#F9FAFB

surface

#F2F4F7

border

#CCCED0

text

#0D1012

muted

#7E7F81

Preview Lab

Preview with #668CA5

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

Preview Lab → · Contrast checker → · Palette generator →