#669DCC#669DCC

#669DCC is a light, moderate cyan. Relative luminance 0.313; OKLCH L 67.7% C 0.091 H 245.5°. Best body text is #000000 at 7.26:1 contrast (WCAG AA passes).

Color values

HEX#669DCC
RGBrgb(102, 157, 204)
HSLhsl(208, 50%, 60%)
HSVhsv(208, 50%, 80%)
CMYKcmyk(50%, 23%, 0%, 20%)
CIE-LABlab(62.76, -5.08, -29.68)
CIE-LCHlch(62.76, 30.11, 260.29°)
OKLaboklab(67.65% -0.0378 -0.0828)
OKLCHoklch(67.65% 0.091 245.5)
XYZxyz(28.4317, 31.2962, 61.6576)
Luminance0.3130 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669DCC #CC9566
analogous
#66CCC8 #669DCC #666ACC
triadic
#669DCC #CC669D #9DCC66
tetradic
#669DCC #C866CC #CC9566 #6ACC66
square
#669DCC #C866CC #CC9566 #6ACC66
split-complementary
#669DCC #CC666A #CCC866
monochromatic
#2E5F8A #3D7FB8 #669DCC #94BADB #C2D8EB

Accessibility & contrast

On white

2.89
#669DCC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.26
#669DCC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669DCC
7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669DCC#FFFFFF#000000##000000
##669DCC1.002.897.267.26
#FFFFFF2.891.0021.0021.00
#0000007.2621.001.001.00
##0000007.2621.001.001.00

Color blindness preview

Protanopia (red-blind)
#899ECE
Deuteranopia (green-blind)
#7C93CB
Tritanopia (blue-blind)
#33A8AD
Achromatopsia (no color)
#989898

Design tokens & code

CSS
--color: #669dcc;
/* rgb */ color: rgb(102, 157, 204);
/* oklch */ color: oklch(67.7% 0.091 245.5);
Tailwind
colors: {
  custom: {
    50: '#97b9db',
    500: '#669dcc',
    950: '#000000',
  },
}
SCSS
$custom: #669dcc;
$custom-light: #97b9db;
$custom-dark: #000000;
JSON
{
  "hex": "#669dcc",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 204
  },
  "hsl": {
    "h": 207.647,
    "s": 50,
    "l": 60
  },
  "oklch": {
    "l": 0.6765,
    "c": 0.09102,
    "h": 245.5
  },
  "luminance": 0.31298
}

Semantic roles & 50–950 ramp

primary
#669DCC
secondary
#DBC5B3
accent
#8E4EDA
background
#F9FBFD
surface
#F2F6FB
border
#CCD0D4
text
#0E1115
muted
#7E8083

Preview Lab

Preview with #669DCC

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

Preview Lab → · Contrast checker → · Palette generator →

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