#669ABC#669ABC

#669ABC is a light, moderate cyan. Relative luminance 0.296; OKLCH L 66.3% C 0.075 H 238.1°. Best body text is #000000 at 6.91:1 contrast (WCAG AA passes).

Color values

HEX#669ABC
RGBrgb(102, 154, 188)
HSLhsl(204, 39%, 57%)
HSVhsv(204, 46%, 74%)
CMYKcmyk(45.7%, 18.1%, 0%, 26.3%)
CIE-LABlab(61.28, -8.06, -22.99)
CIE-LCHlch(61.28, 24.36, 250.68°)
OKLaboklab(66.27% -0.0397 -0.0637)
OKLCHoklch(66.27% 0.075 238.1)
XYZxyz(26.1090, 29.5650, 51.8980)
Luminance0.2957 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669ABC #BC8866
analogous
#66BCB3 #669ABC #666FBC
triadic
#669ABC #BC669A #9ABC66
tetradic
#669ABC #B366BC #BC8866 #6FBC66
square
#669ABC #B366BC #BC8866 #6FBC66
split-complementary
#669ABC #BC666F #BCB366
monochromatic
#335B75 #467C9F #669ABC #91B6CF #BBD2E1

Accessibility & contrast

On white

3.04
#669ABC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.91
#669ABC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669ABC
6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669ABC#FFFFFF#000000##000000
##669ABC1.003.046.916.91
#FFFFFF3.041.0021.0021.00
#0000006.9121.001.001.00
##0000006.9121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8B99BE
Deuteranopia (green-blind)
#7F90BB
Tritanopia (blue-blind)
#41A3A5
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #669abc;
/* rgb */ color: rgb(102, 154, 188);
/* oklch */ color: oklch(66.3% 0.075 238.1);
Tailwind
colors: {
  custom: {
    50: '#96b7d0',
    500: '#669abc',
    950: '#000000',
  },
}
SCSS
$custom: #669abc;
$custom-light: #96b7d0;
$custom-dark: #000000;
JSON
{
  "hex": "#669abc",
  "rgb": {
    "r": 102,
    "g": 154,
    "b": 188
  },
  "hsl": {
    "h": 203.721,
    "s": 39.091,
    "l": 56.863
  },
  "oklch": {
    "l": 0.66275,
    "c": 0.0751,
    "h": 238.1
  },
  "luminance": 0.29567
}

Semantic roles & 50–950 ramp

primary
#669ABC
secondary
#D0BBAD
accent
#8859CF
background
#F9FBFC
surface
#F2F6F9
border
#CCD0D2
text
#0E1114
muted
#7E8082

Preview Lab

Preview with #669ABC

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

Preview Lab → · Contrast checker → · Palette generator →

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