#669FAF#669FAF

#669FAF is a light, moderate cyan. Relative luminance 0.307; OKLCH L 66.9% C 0.064 H 217.5°. Best body text is #000000 at 7.14:1 contrast (WCAG AA passes).

Color values

HEX#669FAF
RGBrgb(102, 159, 175)
HSLhsl(193, 31%, 54%)
HSVhsv(193, 42%, 69%)
CMYKcmyk(41.7%, 9.1%, 0%, 31.4%)
CIE-LABlab(62.27, -14.40, -14.18)
CIE-LCHlch(62.27, 20.20, 224.55°)
OKLaboklab(66.91% -0.0508 -0.039)
OKLCHoklch(66.91% 0.064 217.5)
XYZxyz(25.6127, 30.7144, 45.1280)
Luminance0.3072 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669FAF #AF7666
analogous
#66AF9B #669FAF #667BAF
triadic
#669FAF #AF669F #9FAF66
tetradic
#669FAF #9B66AF #AF7666 #7BAF66
square
#669FAF #9B66AF #AF7666 #7BAF66
split-complementary
#669FAF #AF667B #AF9B66
monochromatic
#355B66 #4A7F8E #669FAF #8EB8C4 #B6D1D9

Accessibility & contrast

On white

2.94
#669FAF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.14
#669FAF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669FAF
7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669FAF#FFFFFF#000000##000000
##669FAF1.002.947.147.14
#FFFFFF2.941.0021.0021.00
#0000007.1421.001.001.00
##0000007.1421.001.001.00

Color blindness preview

Protanopia (red-blind)
#949CB0
Deuteranopia (green-blind)
#8993AF
Tritanopia (blue-blind)
#47A5A4
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #669faf;
/* rgb */ color: rgb(102, 159, 175);
/* oklch */ color: oklch(66.9% 0.064 217.5);
Tailwind
colors: {
  custom: {
    50: '#95bbc6',
    500: '#669faf',
    950: '#000000',
  },
}
SCSS
$custom: #669faf;
$custom-light: #95bbc6;
$custom-dark: #000000;
JSON
{
  "hex": "#669faf",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 175
  },
  "hsl": {
    "h": 193.151,
    "s": 31.33,
    "l": 54.314
  },
  "oklch": {
    "l": 0.66908,
    "c": 0.06407,
    "h": 217.5
  },
  "luminance": 0.30716
}

Semantic roles & 50–950 ramp

primary
#669FAF
secondary
#C8B0A9
accent
#7760C8
background
#F9FBFC
surface
#F2F6F8
border
#CCD0D1
text
#0E1113
muted
#7E8082

Preview Lab

Preview with #669FAF

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

Preview Lab → · Contrast checker → · Palette generator →

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