#668F9E#668F9E

#668F9E is a light, muted cyan. Relative luminance 0.249; OKLCH L 62.5% C 0.050 H 222.6°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).

Color values

HEX#668F9E
RGBrgb(102, 143, 158)
HSLhsl(196, 22%, 51%)
HSVhsv(196, 35%, 62%)
CMYKcmyk(35.4%, 9.5%, 0%, 38%)
CIE-LABlab(57.01, -10.20, -12.44)
CIE-LCHlch(57.01, 16.09, 230.65°)
OKLaboklab(62.54% -0.037 -0.0341)
OKLCHoklch(62.54% 0.05 222.6)
XYZxyz(21.4715, 24.9371, 36.0231)
Luminance0.2494 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668F9E #9E7566
analogous
#669E91 #668F9E #66739E
triadic
#668F9E #9E668F #8F9E66
tetradic
#668F9E #91669E #9E7566 #739E66
square
#668F9E #91669E #9E7566 #739E66
split-complementary
#668F9E #9E6673 #9E9166
monochromatic
#354C54 #4D6E7A #668F9E #8BAAB6 #B1C6CD

Accessibility & contrast

On white

3.51
#668F9E on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.99
#668F9E on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668F9E
5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668F9E#FFFFFF#000000##000000
##668F9E1.003.515.995.99
#FFFFFF3.511.0021.0021.00
#0000005.9921.001.001.00
##0000005.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#868D9F
Deuteranopia (green-blind)
#7E869E
Tritanopia (blue-blind)
#529494
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #668f9e;
/* rgb */ color: rgb(102, 143, 158);
/* oklch */ color: oklch(62.5% 0.050 222.6);
Tailwind
colors: {
  custom: {
    50: '#94afba',
    500: '#668f9e',
    950: '#000000',
  },
}
SCSS
$custom: #668f9e;
$custom-light: #94afba;
$custom-dark: #000000;
JSON
{
  "hex": "#668f9e",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 158
  },
  "hsl": {
    "h": 196.071,
    "s": 22.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.62542,
    "c": 0.05034,
    "h": 222.6
  },
  "luminance": 0.24938
}

Semantic roles & 50–950 ramp

primary
#668F9E
secondary
#BCAAA3
accent
#8069BF
background
#F9FAFB
surface
#F1F4F6
border
#CBCED0
text
#0D1011
muted
#7E7F80

Preview Lab

Preview with #668F9E

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

Preview Lab → · Contrast checker → · Palette generator →

#668F9E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva