#669CD2#669CD2

#669CD2 is a light, moderate cyan. Relative luminance 0.313; OKLCH L 67.7% C 0.099 H 249.5°. Best body text is #000000 at 7.25:1 contrast (WCAG AA passes).

Color values

HEX#669CD2
RGBrgb(102, 156, 210)
HSLhsl(210, 55%, 61%)
HSVhsv(210, 51%, 82%)
CMYKcmyk(51.4%, 25.7%, 0%, 17.6%)
CIE-LABlab(62.72, -2.72, -33.08)
CIE-LCHlch(62.72, 33.19, 265.30°)
OKLaboklab(67.7% -0.0347 -0.0926)
OKLCHoklch(67.7% 0.099 249.5)
XYZxyz(28.9967, 31.2526, 65.4646)
Luminance0.3125 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669CD2 #D29C66
analogous
#66D2D2 #669CD2 #6666D2
triadic
#669CD2 #D2669C #9CD266
tetradic
#669CD2 #D266D2 #D29C66 #66D266
square
#669CD2 #D266D2 #D29C66 #66D266
split-complementary
#669CD2 #D26666 #D2D266
monochromatic
#2B5F93 #397DC2 #669CD2 #95BBE0 #C5D9EE

Accessibility & contrast

On white

2.90
#669CD2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.25
#669CD2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669CD2
7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669CD2#FFFFFF#000000##000000
##669CD21.002.907.257.25
#FFFFFF2.901.0021.0021.00
#0000007.2521.001.001.00
##0000007.2521.001.001.00

Color blindness preview

Protanopia (red-blind)
#869ED4
Deuteranopia (green-blind)
#7893D1
Tritanopia (blue-blind)
#2DA8AF
Achromatopsia (no color)
#989898

Design tokens & code

CSS
--color: #669cd2;
/* rgb */ color: rgb(102, 156, 210);
/* oklch */ color: oklch(67.7% 0.099 249.5);
Tailwind
colors: {
  custom: {
    50: '#98b9e0',
    500: '#669cd2',
    950: '#000000',
  },
}
SCSS
$custom: #669cd2;
$custom-light: #98b9e0;
$custom-dark: #000000;
JSON
{
  "hex": "#669cd2",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 210
  },
  "hsl": {
    "h": 210,
    "s": 54.545,
    "l": 61.176
  },
  "oklch": {
    "l": 0.67703,
    "c": 0.09886,
    "h": 249.5
  },
  "luminance": 0.31255
}

Semantic roles & 50–950 ramp

primary
#669CD2
secondary
#DECAB6
accent
#7323C2
background
#F9FBFD
surface
#F2F6FB
border
#CCD0D4
text
#0E1115
muted
#7E8083

Preview Lab

Preview with #669CD2

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

Preview Lab → · Contrast checker → · Palette generator →

#669CD2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva