#669BC0#669BC0

#669BC0 is a light, moderate cyan. Relative luminance 0.301; OKLCH L 66.7% C 0.079 H 239.9°. Best body text is #000000 at 7.01:1 contrast (WCAG AA passes).

Color values

HEX#669BC0
RGBrgb(102, 155, 192)
HSLhsl(205, 42%, 58%)
HSVhsv(205, 47%, 75%)
CMYKcmyk(46.9%, 19.3%, 0%, 24.7%)
CIE-LABlab(61.72, -7.47, -24.57)
CIE-LCHlch(61.72, 25.68, 253.09°)
OKLaboklab(66.67% -0.0395 -0.0682)
OKLCHoklch(66.67% 0.079 239.9)
XYZxyz(26.7119, 30.0713, 54.2557)
Luminance0.3007 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669BC0 #C08B66
analogous
#66C0B8 #669BC0 #666EC0
triadic
#669BC0 #C0669B #9BC066
tetradic
#669BC0 #B866C0 #C08B66 #6EC066
square
#669BC0 #B866C0 #C08B66 #6EC066
split-complementary
#669BC0 #C0666E #C0B866
monochromatic
#325C7A #447DA5 #669BC0 #91B7D2 #BDD4E4

Accessibility & contrast

On white

2.99
#669BC0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.01
#669BC0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669BC0
7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669BC0#FFFFFF#000000##000000
##669BC01.002.997.017.01
#FFFFFF2.991.0021.0021.00
#0000007.0121.001.001.00
##0000007.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8B9AC2
Deuteranopia (green-blind)
#7F91BF
Tritanopia (blue-blind)
#3EA4A7
Achromatopsia (no color)
#959595

Design tokens & code

CSS
--color: #669bc0;
/* rgb */ color: rgb(102, 155, 192);
/* oklch */ color: oklch(66.7% 0.079 239.9);
Tailwind
colors: {
  custom: {
    50: '#96b8d3',
    500: '#669bc0',
    950: '#000000',
  },
}
SCSS
$custom: #669bc0;
$custom-light: #96b8d3;
$custom-dark: #000000;
JSON
{
  "hex": "#669bc0",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 192
  },
  "hsl": {
    "h": 204.667,
    "s": 41.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.66672,
    "c": 0.07882,
    "h": 239.9
  },
  "luminance": 0.30073
}

Semantic roles & 50–950 ramp

primary
#669BC0
secondary
#D3BEAF
accent
#8956D1
background
#F9FBFC
surface
#F2F6F9
border
#CCD0D2
text
#0E1114
muted
#7E8082

Preview Lab

Preview with #669BC0

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

Preview Lab → · Contrast checker → · Palette generator →

#669BC0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva