#669CD1#669CD1

#669CD1 is a light, moderate cyan. Relative luminance 0.312; OKLCH L 67.7% C 0.098 H 249.0°. Best body text is #000000 at 7.24:1 contrast (WCAG AA passes).

Color values

HEX#669CD1
RGBrgb(102, 156, 209)
HSLhsl(210, 54%, 61%)
HSVhsv(210, 51%, 82%)
CMYKcmyk(51.2%, 25.4%, 0%, 18%)
CIE-LABlab(62.68, -3.02, -32.59)
CIE-LCHlch(62.68, 32.73, 264.71°)
OKLaboklab(67.66% -0.035 -0.0912)
OKLCHoklch(67.66% 0.098 249)
XYZxyz(28.8725, 31.2029, 64.8105)
Luminance0.3120 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669CD1 #D19B66
analogous
#66D1D1 #669CD1 #6666D1
triadic
#669CD1 #D1669C #9CD166
tetradic
#669CD1 #D166D1 #D19B66 #66D166
square
#669CD1 #D166D1 #D19B66 #66D166
split-complementary
#669CD1 #D16666 #D1D166
monochromatic
#2C5F91 #3A7EC0 #669CD1 #95BADF #C4D9ED

Accessibility & contrast

On white

2.90
#669CD1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.24
#669CD1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669CD1
7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669CD1#FFFFFF#000000##000000
##669CD11.002.907.247.24
#FFFFFF2.901.0021.0021.00
#0000007.2421.001.001.00
##0000007.2421.001.001.00

Color blindness preview

Protanopia (red-blind)
#869ED3
Deuteranopia (green-blind)
#7993D0
Tritanopia (blue-blind)
#2EA8AE
Achromatopsia (no color)
#989898

Design tokens & code

CSS
--color: #669cd1;
/* rgb */ color: rgb(102, 156, 209);
/* oklch */ color: oklch(67.7% 0.098 249.0);
Tailwind
colors: {
  custom: {
    50: '#98b9df',
    500: '#669cd1',
    950: '#000000',
  },
}
SCSS
$custom: #669cd1;
$custom-light: #98b9df;
$custom-dark: #000000;
JSON
{
  "hex": "#669cd1",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 209
  },
  "hsl": {
    "h": 209.72,
    "s": 53.769,
    "l": 60.98
  },
  "oklch": {
    "l": 0.67656,
    "c": 0.09764,
    "h": 249
  },
  "luminance": 0.31205
}

Semantic roles & 50–950 ramp

primary
#669CD1
secondary
#DEC9B5
accent
#7224C1
background
#F9FBFD
surface
#F2F6FB
border
#CCD0D4
text
#0E1115
muted
#7E8083

Preview Lab

Preview with #669CD1

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

Preview Lab → · Contrast checker → · Palette generator →

#669CD1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva