#668DBB#668DBB

#668DBB is a light, moderate cyan. Relative luminance 0.255; OKLCH L 63.3% C 0.082 H 253.1°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX#668DBB
RGBrgb(102, 141, 187)
HSLhsl(212, 38%, 57%)
HSVhsv(212, 45%, 73%)
CMYKcmyk(45.5%, 24.6%, 0%, 26.7%)
CIE-LABlab(57.52, -1.00, -28.21)
CIE-LCHlch(57.52, 28.23, 267.97°)
OKLaboklab(63.3% -0.0239 -0.0786)
OKLCHoklch(63.3% 0.082 253.1)
XYZxyz(23.9710, 25.4608, 50.6554)
Luminance0.2546 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668DBB #BB9466
analogous
#66B8BB #668DBB #6A66BB
triadic
#668DBB #BB668D #8DBB66
tetradic
#668DBB #BB66B8 #BB9466 #66BB6A
square
#668DBB #BB66B8 #BB9466 #66BB6A
split-complementary
#668DBB #BB6A66 #B8BB66
monochromatic
#335173 #466E9E #668DBB #90ADCE #BBCCE1

Accessibility & contrast

On white

3.45
#668DBB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.09
#668DBB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668DBB
6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668DBB#FFFFFF#000000##000000
##668DBB1.003.456.096.09
#FFFFFF3.451.0021.0021.00
#0000006.0921.001.001.00
##0000006.0921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7B8FBD
Deuteranopia (green-blind)
#7186BA
Tritanopia (blue-blind)
#44979D
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #668dbb;
/* rgb */ color: rgb(102, 141, 187);
/* oklch */ color: oklch(63.3% 0.082 253.1);
Tailwind
colors: {
  custom: {
    50: '#96aecf',
    500: '#668dbb',
    950: '#000000',
  },
}
SCSS
$custom: #668dbb;
$custom-light: #96aecf;
$custom-dark: #000000;
JSON
{
  "hex": "#668dbb",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 187
  },
  "hsl": {
    "h": 212.471,
    "s": 38.462,
    "l": 56.667
  },
  "oklch": {
    "l": 0.63302,
    "c": 0.08218,
    "h": 253.1
  },
  "luminance": 0.25462
}

Semantic roles & 50–950 ramp

primary
#668DBB
secondary
#D0C0AD
accent
#9959CE
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82

Preview Lab

Preview with #668DBB

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

Preview Lab → · Contrast checker → · Palette generator →

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