#668D9E#668D9E

#668D9E is a light, muted cyan. Relative luminance 0.243; OKLCH L 62.1% C 0.050 H 226.8°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX#668D9E
RGBrgb(102, 141, 158)
HSLhsl(198, 22%, 51%)
HSVhsv(198, 35%, 62%)
CMYKcmyk(35.4%, 10.8%, 0%, 38%)
CIE-LABlab(56.43, -9.09, -13.32)
CIE-LCHlch(56.43, 16.13, 235.70°)
OKLaboklab(62.08% -0.0344 -0.0365)
OKLCHoklch(62.08% 0.05 226.8)
XYZxyz(21.1739, 24.3420, 35.9239)
Luminance0.2434 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668D9E #9E7766
analogous
#669E93 #668D9E #66719E
triadic
#668D9E #9E668D #8D9E66
tetradic
#668D9E #93669E #9E7766 #719E66
square
#668D9E #93669E #9E7766 #719E66
split-complementary
#668D9E #9E6671 #9E9366
monochromatic
#354B54 #4D6C7A #668D9E #8BA9B6 #B1C5CD

Accessibility & contrast

On white

3.58
#668D9E on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.87
#668D9E on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668D9E
5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668D9E#FFFFFF#000000##000000
##668D9E1.003.585.875.87
#FFFFFF3.581.0021.0021.00
#0000005.8721.001.001.00
##0000005.8721.001.001.00

Color blindness preview

Protanopia (red-blind)
#848B9F
Deuteranopia (green-blind)
#7C849E
Tritanopia (blue-blind)
#529292
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #668d9e;
/* rgb */ color: rgb(102, 141, 158);
/* oklch */ color: oklch(62.1% 0.050 226.8);
Tailwind
colors: {
  custom: {
    50: '#93aeba',
    500: '#668d9e',
    950: '#000000',
  },
}
SCSS
$custom: #668d9e;
$custom-light: #93aeba;
$custom-dark: #000000;
JSON
{
  "hex": "#668d9e",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 158
  },
  "hsl": {
    "h": 198.214,
    "s": 22.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.62078,
    "c": 0.05016,
    "h": 226.8
  },
  "luminance": 0.24343
}

Semantic roles & 50–950 ramp

primary
#668D9E
secondary
#BCABA3
accent
#8369BF
background
#F9FAFB
surface
#F1F4F6
border
#CBCED0
text
#0D1011
muted
#7E7F80

Preview Lab

Preview with #668D9E

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

Preview Lab → · Contrast checker → · Palette generator →

#668D9E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva