#669BBA#669BBA

#669BBA is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.4% C 0.073 H 235.1°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).

Color values

HEX#669BBA
RGBrgb(102, 155, 186)
HSLhsl(202, 38%, 56%)
HSVhsv(202, 45%, 73%)
CMYKcmyk(45.2%, 16.7%, 0%, 27.1%)
CIE-LABlab(61.49, -9.18, -21.54)
CIE-LCHlch(61.49, 23.42, 246.91°)
OKLaboklab(66.42% -0.0416 -0.0596)
OKLCHoklch(66.42% 0.073 235.1)
XYZxyz(26.0607, 29.8108, 50.8257)
Luminance0.2981 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669BBA #BA8566
analogous
#66BAAF #669BBA #6671BA
triadic
#669BBA #BA669B #9BBA66
tetradic
#669BBA #AF66BA #BA8566 #71BA66
square
#669BBA #AF66BA #BA8566 #71BA66
split-complementary
#669BBA #BA6671 #BAAF66
monochromatic
#335B72 #467D9C #669BBA #90B7CD #BAD2E0

Accessibility & contrast

On white

3.02
#669BBA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.96
#669BBA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669BBA
6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669BBA#FFFFFF#000000##000000
##669BBA1.003.026.966.96
#FFFFFF3.021.0021.0021.00
#0000006.9621.001.001.00
##0000006.9621.001.001.00

Color blindness preview

Protanopia (red-blind)
#8D9ABC
Deuteranopia (green-blind)
#8190BA
Tritanopia (blue-blind)
#42A3A5
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #669bba;
/* rgb */ color: rgb(102, 155, 186);
/* oklch */ color: oklch(66.4% 0.073 235.1);
Tailwind
colors: {
  custom: {
    50: '#96b8ce',
    500: '#669bba',
    950: '#000000',
  },
}
SCSS
$custom: #669bba;
$custom-light: #96b8ce;
$custom-dark: #000000;
JSON
{
  "hex": "#669bba",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 186
  },
  "hsl": {
    "h": 202.143,
    "s": 37.838,
    "l": 56.471
  },
  "oklch": {
    "l": 0.6642,
    "c": 0.07274,
    "h": 235.1
  },
  "luminance": 0.29813
}

Semantic roles & 50–950 ramp

primary
#669BBA
secondary
#CFB9AD
accent
#855ACE
background
#F9FBFC
surface
#F2F6F9
border
#CCD0D2
text
#0E1113
muted
#7E8082

Preview Lab

Preview with #669BBA

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

Preview Lab → · Contrast checker → · Palette generator →

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