#668D9B#668D9B

#668D9B is a mid, muted cyan. Relative luminance 0.242; OKLCH L 62.0% C 0.048 H 222.1°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).

Color values

HEX#668D9B
RGBrgb(102, 141, 155)
HSLhsl(196, 21%, 50%)
HSVhsv(196, 34%, 61%)
CMYKcmyk(34.2%, 9%, 0%, 39.2%)
CIE-LABlab(56.33, -9.87, -11.75)
CIE-LCHlch(56.33, 15.35, 229.96°)
OKLaboklab(61.96% -0.0356 -0.0322)
OKLCHoklch(61.96% 0.048 222.1)
XYZxyz(20.9188, 24.2400, 34.5805)
Luminance0.2424 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668D9B #9B7466
analogous
#669B8E #668D9B #66729B
triadic
#668D9B #9B668D #8D9B66
tetradic
#668D9B #8E669B #9B7466 #729B66
square
#668D9B #8E669B #9B7466 #729B66
split-complementary
#668D9B #9B6672 #9B8E66
monochromatic
#354A51 #4D6C76 #668D9B #8BA9B3 #B0C4CB

Accessibility & contrast

On white

3.59
#668D9B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.85
#668D9B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668D9B
5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668D9B#FFFFFF#000000##000000
##668D9B1.003.595.855.85
#FFFFFF3.591.0021.0021.00
#0000005.8521.001.001.00
##0000005.8521.001.001.00

Color blindness preview

Protanopia (red-blind)
#858B9C
Deuteranopia (green-blind)
#7D849B
Tritanopia (blue-blind)
#549291
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #668d9b;
/* rgb */ color: rgb(102, 141, 155);
/* oklch */ color: oklch(62.0% 0.048 222.1);
Tailwind
colors: {
  custom: {
    50: '#93aeb8',
    500: '#668d9b',
    950: '#000000',
  },
}
SCSS
$custom: #668d9b;
$custom-light: #93aeb8;
$custom-dark: #000000;
JSON
{
  "hex": "#668d9b",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 155
  },
  "hsl": {
    "h": 195.849,
    "s": 20.949,
    "l": 50.392
  },
  "oklch": {
    "l": 0.61964,
    "c": 0.04796,
    "h": 222.1
  },
  "luminance": 0.24241
}

Semantic roles & 50–950 ramp

primary
#668D9B
secondary
#BAA9A3
accent
#806ABE
background
#F9FAFB
surface
#F1F4F6
border
#CBCED0
text
#0D1011
muted
#7E7F80

Preview Lab

Preview with #668D9B

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

Preview Lab → · Contrast checker → · Palette generator →

#668D9B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva