#668D9D#668D9D

#668D9D is a light, muted cyan. Relative luminance 0.243; OKLCH L 62.0% C 0.049 H 225.3°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX#668D9D
RGBrgb(102, 141, 157)
HSLhsl(197, 22%, 51%)
HSVhsv(197, 35%, 62%)
CMYKcmyk(35%, 10.2%, 0%, 38.4%)
CIE-LABlab(56.39, -9.35, -12.80)
CIE-LCHlch(56.39, 15.85, 233.85°)
OKLaboklab(62.04% -0.0348 -0.0351)
OKLCHoklch(62.04% 0.049 225.3)
XYZxyz(21.0882, 24.3077, 35.4724)
Luminance0.2431 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668D9D #9D7666
analogous
#669D91 #668D9D #66719D
triadic
#668D9D #9D668D #8D9D66
tetradic
#668D9D #91669D #9D7666 #719D66
square
#668D9D #91669D #9D7666 #719D66
split-complementary
#668D9D #9D6671 #9D9166
monochromatic
#354B53 #4D6C79 #668D9D #8BA9B5 #B1C5CD

Accessibility & contrast

On white

3.58
#668D9D on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.86
#668D9D on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668D9D
5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668D9D#FFFFFF#000000##000000
##668D9D1.003.585.865.86
#FFFFFF3.581.0021.0021.00
#0000005.8621.001.001.00
##0000005.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#848B9E
Deuteranopia (green-blind)
#7C849D
Tritanopia (blue-blind)
#539292
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #668d9d;
/* rgb */ color: rgb(102, 141, 157);
/* oklch */ color: oklch(62.0% 0.049 225.3);
Tailwind
colors: {
  custom: {
    50: '#93aeba',
    500: '#668d9d',
    950: '#000000',
  },
}
SCSS
$custom: #668d9d;
$custom-light: #93aeba;
$custom-dark: #000000;
JSON
{
  "hex": "#668d9d",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 157
  },
  "hsl": {
    "h": 197.455,
    "s": 21.912,
    "l": 50.784
  },
  "oklch": {
    "l": 0.6204,
    "c": 0.04939,
    "h": 225.3
  },
  "luminance": 0.24309
}

Semantic roles & 50–950 ramp

primary
#668D9D
secondary
#BCAAA3
accent
#8269BE
background
#F9FAFB
surface
#F1F4F6
border
#CBCED0
text
#0D1011
muted
#7E7F80

Preview Lab

Preview with #668D9D

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

Preview Lab → · Contrast checker → · Palette generator →

#668D9D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva