#669BD2#669BD2

#669BD2 is a light, moderate cyan. Relative luminance 0.309; OKLCH L 67.5% C 0.100 H 250.4°. Best body text is #000000 at 7.18:1 contrast (WCAG AA passes).

Color values

HEX#669BD2
RGBrgb(102, 155, 210)
HSLhsl(211, 55%, 61%)
HSVhsv(211, 51%, 82%)
CMYKcmyk(51.4%, 26.2%, 0%, 17.6%)
CIE-LABlab(62.44, -2.15, -33.52)
CIE-LCHlch(62.44, 33.58, 266.33°)
OKLaboklab(67.48% -0.0335 -0.0938)
OKLCHoklch(67.48% 0.1 250.4)
XYZxyz(28.8296, 30.9184, 65.4089)
Luminance0.3092 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669BD2 #D29D66
analogous
#66D1D2 #669BD2 #6766D2
triadic
#669BD2 #D2669B #9BD266
tetradic
#669BD2 #D266D1 #D29D66 #66D267
square
#669BD2 #D266D1 #D29D66 #66D267
split-complementary
#669BD2 #D26766 #D1D266
monochromatic
#2B5E93 #397CC2 #669BD2 #95BAE0 #C5D9EE

Accessibility & contrast

On white

2.92
#669BD2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.18
#669BD2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669BD2
7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669BD2#FFFFFF#000000##000000
##669BD21.002.927.187.18
#FFFFFF2.921.0021.0021.00
#0000007.1821.001.001.00
##0000007.1821.001.001.00

Color blindness preview

Protanopia (red-blind)
#859DD4
Deuteranopia (green-blind)
#7792D1
Tritanopia (blue-blind)
#2DA8AE
Achromatopsia (no color)
#979797

Design tokens & code

CSS
--color: #669bd2;
/* rgb */ color: rgb(102, 155, 210);
/* oklch */ color: oklch(67.5% 0.100 250.4);
Tailwind
colors: {
  custom: {
    50: '#98b8e0',
    500: '#669bd2',
    950: '#000000',
  },
}
SCSS
$custom: #669bd2;
$custom-light: #98b8e0;
$custom-dark: #000000;
JSON
{
  "hex": "#669bd2",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 210
  },
  "hsl": {
    "h": 210.556,
    "s": 54.545,
    "l": 61.176
  },
  "oklch": {
    "l": 0.67481,
    "c": 0.09964,
    "h": 250.4
  },
  "luminance": 0.30921
}

Semantic roles & 50–950 ramp

primary
#669BD2
secondary
#DECAB6
accent
#7423C2
background
#F9FBFD
surface
#F2F6FB
border
#CCD0D4
text
#0E1115
muted
#7E8083

Preview Lab

Preview with #669BD2

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

Preview Lab → · Contrast checker → · Palette generator →

#669BD2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva