#668AAF#668AAF

#668AAF is a light, moderate cyan. Relative luminance 0.241; OKLCH L 62.1% C 0.069 H 249.7°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX#668AAF
RGBrgb(102, 138, 175)
HSLhsl(210, 31%, 54%)
HSVhsv(210, 42%, 69%)
CMYKcmyk(41.7%, 21.1%, 0%, 31.4%)
CIE-LABlab(56.18, -2.74, -23.44)
CIE-LCHlch(56.18, 23.60, 263.34°)
OKLaboklab(62.09% -0.0241 -0.065)
OKLCHoklch(62.09% 0.069 249.7)
XYZxyz(22.3033, 24.0956, 44.0248)
Luminance0.2410 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668AAF #AF8B66
analogous
#66AEAF #668AAF #6766AF
triadic
#668AAF #AF668A #8AAF66
tetradic
#668AAF #AF66AE #AF8B66 #66AF67
square
#668AAF #AF66AE #AF8B66 #66AF67
split-complementary
#668AAF #AF6766 #AEAF66
monochromatic
#354D66 #4A6B8E #668AAF #8EA9C4 #B6C7D9

Accessibility & contrast

On white

3.61
#668AAF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.82
#668AAF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668AAF
5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668AAF#FFFFFF#000000##000000
##668AAF1.003.615.825.82
#FFFFFF3.611.0021.0021.00
#0000005.8221.001.001.00
##0000005.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C8BB1
Deuteranopia (green-blind)
#7283AE
Tritanopia (blue-blind)
#4B9296
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #668aaf;
/* rgb */ color: rgb(102, 138, 175);
/* oklch */ color: oklch(62.1% 0.069 249.7);
Tailwind
colors: {
  custom: {
    50: '#94acc7',
    500: '#668aaf',
    950: '#000000',
  },
}
SCSS
$custom: #668aaf;
$custom-light: #94acc7;
$custom-dark: #000000;
JSON
{
  "hex": "#668aaf",
  "rgb": {
    "r": 102,
    "g": 138,
    "b": 175
  },
  "hsl": {
    "h": 210.411,
    "s": 31.33,
    "l": 54.314
  },
  "oklch": {
    "l": 0.62091,
    "c": 0.06932,
    "h": 249.7
  },
  "luminance": 0.24097
}

Semantic roles & 50–950 ramp

primary
#668AAF
secondary
#C8B9A9
accent
#9560C8
background
#F9FAFC
surface
#F2F4F8
border
#CCCED1
text
#0D1013
muted
#7E7F82

Preview Lab

Preview with #668AAF

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

Preview Lab → · Contrast checker → · Palette generator →

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