#669FBB#669FBB

#669FBB is a light, moderate cyan. Relative luminance 0.312; OKLCH L 67.4% C 0.073 H 230.5°. Best body text is #000000 at 7.24:1 contrast (WCAG AA passes).

Color values

HEX#669FBB
RGBrgb(102, 159, 187)
HSLhsl(200, 38%, 57%)
HSVhsv(200, 45%, 73%)
CMYKcmyk(45.5%, 15%, 0%, 26.7%)
CIE-LABlab(62.68, -11.10, -20.28)
CIE-LCHlch(62.68, 23.12, 241.32°)
OKLaboklab(67.38% -0.0462 -0.0561)
OKLCHoklch(67.38% 0.073 230.5)
XYZxyz(26.8441, 31.2070, 51.6131)
Luminance0.3121 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669FBB #BB8266
analogous
#66BBAD #669FBB #6675BB
triadic
#669FBB #BB669F #9FBB66
tetradic
#669FBB #AD66BB #BB8266 #75BB66
square
#669FBB #AD66BB #BB8266 #75BB66
split-complementary
#669FBB #BB6675 #BBAD66
monochromatic
#335E73 #46819E #669FBB #90BACE #BBD4E1

Accessibility & contrast

On white

2.90
#669FBB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.24
#669FBB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669FBB
7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669FBB#FFFFFF#000000##000000
##669FBB1.002.907.247.24
#FFFFFF2.901.0021.0021.00
#0000007.2421.001.001.00
##0000007.2421.001.001.00

Color blindness preview

Protanopia (red-blind)
#919DBC
Deuteranopia (green-blind)
#8593BB
Tritanopia (blue-blind)
#40A7A8
Achromatopsia (no color)
#989898

Design tokens & code

CSS
--color: #669fbb;
/* rgb */ color: rgb(102, 159, 187);
/* oklch */ color: oklch(67.4% 0.073 230.5);
Tailwind
colors: {
  custom: {
    50: '#96bbcf',
    500: '#669fbb',
    950: '#000000',
  },
}
SCSS
$custom: #669fbb;
$custom-light: #96bbcf;
$custom-dark: #000000;
JSON
{
  "hex": "#669fbb",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 187
  },
  "hsl": {
    "h": 199.765,
    "s": 38.462,
    "l": 56.667
  },
  "oklch": {
    "l": 0.67376,
    "c": 0.07267,
    "h": 230.5
  },
  "luminance": 0.31209
}

Semantic roles & 50–950 ramp

primary
#669FBB
secondary
#D0B8AD
accent
#8059CE
background
#F9FBFC
surface
#F2F6F9
border
#CCD0D2
text
#0E1113
muted
#7E8082

Preview Lab

Preview with #669FBB

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

Preview Lab → · Contrast checker → · Palette generator →

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