#668CA3#668CA3

#668CA3 is a light, muted cyan. Relative luminance 0.242; OKLCH L 62.0% C 0.055 H 235.4°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#668CA3
RGB	rgb(102, 140, 163)
HSL	hsl(203, 25%, 52%)
HSV	hsv(203, 37%, 64%)
CMYK	cmyk(37.4%, 14.1%, 0%, 36.1%)
CIE-LAB	lab(56.31, -7.20, -16.37)
CIE-LCH	lch(56.31, 17.88, 246.27°)
OKLab	oklab(62.04% -0.0311 -0.045)
OKLCH	oklch(62.04% 0.055 235.4)
XYZ	xyz(21.4663, 24.2241, 38.1878)
Luminance	0.2422 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CA3 #A37D66

analogous

#66A39C #668CA3 #666EA3

triadic

#668CA3 #A3668C #8CA366

tetradic

#668CA3 #9C66A3 #A37D66 #6EA366

square

#668CA3 #9C66A3 #A37D66 #6EA366

split-complementary

#668CA3 #A3666E #A39C66

monochromatic

#364C59 #4D6C7F #668CA3 #8CA9BA #B2C5D1

Accessibility & contrast

On white

3.59

#668CA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.85

#668CA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CA3

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CA3	#FFFFFF	#000000	##000000
##668CA3	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)

#818BA4

Deuteranopia (green-blind)

#7984A3

Tritanopia (blue-blind)

#509293

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #668ca3;
/* rgb */ color: rgb(102, 140, 163);
/* oklch */ color: oklch(62.0% 0.055 235.4);

Tailwind

colors: {
  custom: {
    50: '#94adbe',
    500: '#668ca3',
    950: '#000000',
  },
}

SCSS

$custom: #668ca3;
$custom-light: #94adbe;
$custom-dark: #000000;

JSON

{
  "hex": "#668ca3",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 163
  },
  "hsl": {
    "h": 202.623,
    "s": 24.898,
    "l": 51.961
  },
  "oklch": {
    "l": 0.62043,
    "c": 0.05472,
    "h": 235.4
  },
  "luminance": 0.24225
}

Semantic roles & 50–950 ramp

primary

#668CA3

secondary

#C0AFA5

accent

#8966C1

background

#F9FAFB

surface

#F2F4F6

border

#CCCED0

text

#0D1012

muted

#7E7F81

Preview Lab

Preview with #668CA3

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

Preview Lab → · Contrast checker → · Palette generator →