#669ACC#669ACC

#669ACC is a light, moderate cyan. Relative luminance 0.303; OKLCH L 67.0% C 0.093 H 248.4°. Best body text is #000000 at 7.06:1 contrast (WCAG AA passes).

Color values

HEX#669ACC
RGBrgb(102, 154, 204)
HSLhsl(209, 50%, 60%)
HSVhsv(209, 50%, 80%)
CMYKcmyk(50%, 24.5%, 0%, 20%)
CIE-LABlab(61.91, -3.39, -30.99)
CIE-LCHlch(61.91, 31.18, 263.76°)
OKLaboklab(66.98% -0.0342 -0.0866)
OKLCHoklch(66.98% 0.093 248.4)
XYZxyz(27.9304, 30.2935, 61.4905)
Luminance0.3030 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669ACC #CC9866
analogous
#66CCCB #669ACC #6667CC
triadic
#669ACC #CC669A #9ACC66
tetradic
#669ACC #CB66CC #CC9866 #67CC66
square
#669ACC #CB66CC #CC9866 #67CC66
split-complementary
#669ACC #CC6667 #CCCB66
monochromatic
#2E5D8A #3D7CB8 #669ACC #94B8DB #C2D7EB

Accessibility & contrast

On white

2.97
#669ACC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.06
#669ACC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669ACC
7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669ACC#FFFFFF#000000##000000
##669ACC1.002.977.067.06
#FFFFFF2.971.0021.0021.00
#0000007.0621.001.001.00
##0000007.0621.001.001.00

Color blindness preview

Protanopia (red-blind)
#869BCE
Deuteranopia (green-blind)
#7891CB
Tritanopia (blue-blind)
#34A6AB
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #669acc;
/* rgb */ color: rgb(102, 154, 204);
/* oklch */ color: oklch(67.0% 0.093 248.4);
Tailwind
colors: {
  custom: {
    50: '#97b7db',
    500: '#669acc',
    950: '#000000',
  },
}
SCSS
$custom: #669acc;
$custom-light: #97b7db;
$custom-dark: #000000;
JSON
{
  "hex": "#669acc",
  "rgb": {
    "r": 102,
    "g": 154,
    "b": 204
  },
  "hsl": {
    "h": 209.412,
    "s": 50,
    "l": 60
  },
  "oklch": {
    "l": 0.6698,
    "c": 0.09311,
    "h": 248.4
  },
  "luminance": 0.30296
}

Semantic roles & 50–950 ramp

primary
#669ACC
secondary
#DBC7B3
accent
#934EDA
background
#F9FBFD
surface
#F2F6FB
border
#CCD0D4
text
#0E1115
muted
#7E8083

Preview Lab

Preview with #669ACC

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

Preview Lab → · Contrast checker → · Palette generator →

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