#669CCC#669CCC

#669CCC is a light, moderate cyan. Relative luminance 0.310; OKLCH L 67.4% C 0.092 H 246.5°. Best body text is #000000 at 7.19:1 contrast (WCAG AA passes).

Color values

HEX#669CCC
RGBrgb(102, 156, 204)
HSLhsl(208, 50%, 60%)
HSVhsv(208, 50%, 80%)
CMYKcmyk(50%, 23.5%, 0%, 20%)
CIE-LABlab(62.47, -4.51, -30.12)
CIE-LCHlch(62.47, 30.45, 261.47°)
OKLaboklab(67.43% -0.0366 -0.0841)
OKLCHoklch(67.43% 0.092 246.5)
XYZxyz(28.2632, 30.9592, 61.6014)
Luminance0.3096 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669CCC #CC9666
analogous
#66CCC9 #669CCC #6669CC
triadic
#669CCC #CC669C #9CCC66
tetradic
#669CCC #C966CC #CC9666 #69CC66
square
#669CCC #C966CC #CC9666 #69CC66
split-complementary
#669CCC #CC6669 #CCC966
monochromatic
#2E5F8A #3D7EB8 #669CCC #94BADB #C2D7EB

Accessibility & contrast

On white

2.92
#669CCC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.19
#669CCC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669CCC
7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669CCC#FFFFFF#000000##000000
##669CCC1.002.927.197.19
#FFFFFF2.921.0021.0021.00
#0000007.1921.001.001.00
##0000007.1921.001.001.00

Color blindness preview

Protanopia (red-blind)
#889DCE
Deuteranopia (green-blind)
#7B92CB
Tritanopia (blue-blind)
#33A7AC
Achromatopsia (no color)
#979797

Design tokens & code

CSS
--color: #669ccc;
/* rgb */ color: rgb(102, 156, 204);
/* oklch */ color: oklch(67.4% 0.092 246.5);
Tailwind
colors: {
  custom: {
    50: '#97b9db',
    500: '#669ccc',
    950: '#000000',
  },
}
SCSS
$custom: #669ccc;
$custom-light: #97b9db;
$custom-dark: #000000;
JSON
{
  "hex": "#669ccc",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 204
  },
  "hsl": {
    "h": 208.235,
    "s": 50,
    "l": 60
  },
  "oklch": {
    "l": 0.67426,
    "c": 0.09169,
    "h": 246.5
  },
  "luminance": 0.30961
}

Semantic roles & 50–950 ramp

primary
#669CCC
secondary
#DBC6B3
accent
#904EDA
background
#F9FBFD
surface
#F2F6FB
border
#CCD0D4
text
#0E1115
muted
#7E8083

Preview Lab

Preview with #669CCC

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

Preview Lab → · Contrast checker → · Palette generator →

#669CCC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva