#668FB5#668FB5

#668FB5 is a light, moderate cyan. Relative luminance 0.258; OKLCH L 63.5% C 0.073 H 247.2°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX#668FB5
RGBrgb(102, 143, 181)
HSLhsl(209, 35%, 55%)
HSVhsv(209, 44%, 71%)
CMYKcmyk(43.6%, 21%, 0%, 29%)
CIE-LABlab(57.85, -3.88, -24.29)
CIE-LCHlch(57.85, 24.60, 260.92°)
OKLaboklab(63.48% -0.0284 -0.0674)
OKLCHoklch(63.48% 0.073 247.2)
XYZxyz(23.6396, 25.8044, 47.4422)
Luminance0.2581 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668FB5 #B58C66
analogous
#66B5B4 #668FB5 #6667B5
triadic
#668FB5 #B5668F #8FB566
tetradic
#668FB5 #B466B5 #B58C66 #67B566
square
#668FB5 #B466B5 #B58C66 #67B566
split-complementary
#668FB5 #B56667 #B5B466
monochromatic
#34516C #487095 #668FB5 #8FADC9 #B8CBDD

Accessibility & contrast

On white

3.41
#668FB5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.16
#668FB5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FB5
6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668FB5#FFFFFF#000000##000000
##668FB51.003.416.166.16
#FFFFFF3.411.0021.0021.00
#0000006.1621.001.001.00
##0000006.1621.001.001.00

Color blindness preview

Protanopia (red-blind)
#8090B7
Deuteranopia (green-blind)
#7687B4
Tritanopia (blue-blind)
#47989C
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #668fb5;
/* rgb */ color: rgb(102, 143, 181);
/* oklch */ color: oklch(63.5% 0.073 247.2);
Tailwind
colors: {
  custom: {
    50: '#95afcb',
    500: '#668fb5',
    950: '#000000',
  },
}
SCSS
$custom: #668fb5;
$custom-light: #95afcb;
$custom-dark: #000000;
JSON
{
  "hex": "#668fb5",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 181
  },
  "hsl": {
    "h": 208.861,
    "s": 34.802,
    "l": 55.49
  },
  "oklch": {
    "l": 0.63481,
    "c": 0.07318,
    "h": 247.2
  },
  "luminance": 0.25806
}

Semantic roles & 50–950 ramp

primary
#668FB5
secondary
#CCBBAB
accent
#925DCB
background
#F9FAFC
surface
#F2F4F8
border
#CCCED1
text
#0D1013
muted
#7E7F82

Preview Lab

Preview with #668FB5

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

Preview Lab → · Contrast checker → · Palette generator →

#668FB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva