#668FA4#668FA4

#668FA4 is a light, muted cyan. Relative luminance 0.252; OKLCH L 62.8% C 0.055 H 231.0°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX#668FA4
RGBrgb(102, 143, 164)
HSLhsl(200, 25%, 52%)
HSVhsv(200, 38%, 64%)
CMYKcmyk(37.8%, 12.8%, 0%, 35.7%)
CIE-LABlab(57.22, -8.61, -15.56)
CIE-LCHlch(57.22, 17.78, 241.06°)
OKLaboklab(62.77% -0.0347 -0.0428)
OKLCHoklch(62.77% 0.055 231)
XYZxyz(22.0006, 25.1488, 38.8097)
Luminance0.2515 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668FA4 #A47B66
analogous
#66A49A #668FA4 #6670A4
triadic
#668FA4 #A4668F #8FA466
tetradic
#668FA4 #9A66A4 #A47B66 #70A466
square
#668FA4 #9A66A4 #A47B66 #70A466
split-complementary
#668FA4 #A46670 #A49A66
monochromatic
#364E5A #4C6F80 #668FA4 #8CABBB #B3C7D2

Accessibility & contrast

On white

3.48
#668FA4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.03
#668FA4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FA4
6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668FA4#FFFFFF#000000##000000
##668FA41.003.486.036.03
#FFFFFF3.481.0021.0021.00
#0000006.0321.001.001.00
##0000006.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#858DA5
Deuteranopia (green-blind)
#7C86A4
Tritanopia (blue-blind)
#509596
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #668fa4;
/* rgb */ color: rgb(102, 143, 164);
/* oklch */ color: oklch(62.8% 0.055 231.0);
Tailwind
colors: {
  custom: {
    50: '#94afbf',
    500: '#668fa4',
    950: '#000000',
  },
}
SCSS
$custom: #668fa4;
$custom-light: #94afbf;
$custom-dark: #000000;
JSON
{
  "hex": "#668fa4",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 164
  },
  "hsl": {
    "h": 200.323,
    "s": 25.41,
    "l": 52.157
  },
  "oklch": {
    "l": 0.62774,
    "c": 0.05507,
    "h": 231
  },
  "luminance": 0.2515
}

Semantic roles & 50–950 ramp

primary
#668FA4
secondary
#C0AFA5
accent
#8566C2
background
#F9FAFB
surface
#F2F4F7
border
#CCCED0
text
#0D1012
muted
#7E7F81

Preview Lab

Preview with #668FA4

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

Preview Lab → · Contrast checker → · Palette generator →

#668FA4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva