#669EB4#669EB4

#669EB4 is a light, moderate cyan. Relative luminance 0.306; OKLCH L 66.9% C 0.067 H 224.8°. Best body text is #000000 at 7.11:1 contrast (WCAG AA passes).

Color values

HEX#669EB4
RGBrgb(102, 158, 180)
HSLhsl(197, 34%, 55%)
HSVhsv(197, 43%, 71%)
CMYKcmyk(43.3%, 12.2%, 0%, 29.4%)
CIE-LABlab(62.14, -12.50, -17.17)
CIE-LCHlch(62.14, 21.24, 233.95°)
OKLaboklab(66.87% -0.0476 -0.0474)
OKLCHoklch(66.87% 0.067 224.8)
XYZxyz(25.9416, 30.5720, 47.7052)
Luminance0.3057 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669EB4 #B47C66
analogous
#66B4A3 #669EB4 #6677B4
triadic
#669EB4 #B4669E #9EB466
tetradic
#669EB4 #A366B4 #B47C66 #77B466
square
#669EB4 #A366B4 #B47C66 #77B466
split-complementary
#669EB4 #B46677 #B4A366
monochromatic
#345C6B #497F94 #669EB4 #8FB8C8 #B8D2DC

Accessibility & contrast

On white

2.95
#669EB4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.11
#669EB4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669EB4
7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669EB4#FFFFFF#000000##000000
##669EB41.002.957.117.11
#FFFFFF2.951.0021.0021.00
#0000007.1121.001.001.00
##0000007.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#929BB5
Deuteranopia (green-blind)
#8692B4
Tritanopia (blue-blind)
#45A5A5
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #669eb4;
/* rgb */ color: rgb(102, 158, 180);
/* oklch */ color: oklch(66.9% 0.067 224.8);
Tailwind
colors: {
  custom: {
    50: '#95baca',
    500: '#669eb4',
    950: '#000000',
  },
}
SCSS
$custom: #669eb4;
$custom-light: #95baca;
$custom-dark: #000000;
JSON
{
  "hex": "#669eb4",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 180
  },
  "hsl": {
    "h": 196.923,
    "s": 34.211,
    "l": 55.294
  },
  "oklch": {
    "l": 0.66868,
    "c": 0.06716,
    "h": 224.8
  },
  "luminance": 0.30574
}

Semantic roles & 50–950 ramp

primary
#669EB4
secondary
#CBB4AB
accent
#7C5ECA
background
#F9FBFC
surface
#F2F6F8
border
#CCD0D1
text
#0E1113
muted
#7E8082

Preview Lab

Preview with #669EB4

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

Preview Lab → · Contrast checker → · Palette generator →

#669EB4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva