#66BFCC#66BFCC

#66BFCC is a light, moderate teal. Relative luminance 0.444; OKLCH L 75.4% C 0.087 H 207.8°. Best body text is #000000 at 9.89:1 contrast (WCAG AA passes).

Color values

HEX#66BFCC
RGBrgb(102, 191, 204)
HSLhsl(188, 50%, 60%)
HSVhsv(188, 50%, 80%)
CMYKcmyk(50%, 6.4%, 0%, 20%)
CIE-LABlab(72.52, -23.17, -14.78)
CIE-LCHlch(72.52, 27.48, 212.53°)
OKLaboklab(75.42% -0.0772 -0.0408)
OKLCHoklch(75.42% 0.087 207.8)
XYZxyz(35.0051, 44.4430, 63.8487)
Luminance0.4445 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66BFCC #CC7366
analogous
#66CCA6 #66BFCC #668CCC
triadic
#66BFCC #CC66BF #BFCC66
tetradic
#66BFCC #A666CC #CC7366 #8CCC66
square
#66BFCC #A666CC #CC7366 #8CCC66
split-complementary
#66BFCC #CC668C #CCA666
monochromatic
#2E7E8A #3DA8B8 #66BFCC #94D2DB #C2E5EB

Accessibility & contrast

On white

2.12
#66BFCC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.89
#66BFCC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BFCC
9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66BFCC#FFFFFF#000000##000000
##66BFCC1.002.129.899.89
#FFFFFF2.121.0021.0021.00
#0000009.8921.001.001.00
##0000009.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#B2B9CD
Deuteranopia (green-blind)
#A2ADCC
Tritanopia (blue-blind)
#25C6C3
Achromatopsia (no color)
#B2B2B2

Design tokens & code

CSS
--color: #66bfcc;
/* rgb */ color: rgb(102, 191, 204);
/* oklch */ color: oklch(75.4% 0.087 207.8);
Tailwind
colors: {
  custom: {
    50: '#99d2db',
    500: '#66bfcc',
    950: '#000000',
  },
}
SCSS
$custom: #66bfcc;
$custom-light: #99d2db;
$custom-dark: #000000;
JSON
{
  "hex": "#66bfcc",
  "rgb": {
    "r": 102,
    "g": 191,
    "b": 204
  },
  "hsl": {
    "h": 187.647,
    "s": 50,
    "l": 60
  },
  "oklch": {
    "l": 0.75422,
    "c": 0.0873,
    "h": 207.8
  },
  "luminance": 0.44446
}

Semantic roles & 50–950 ramp

primary
#66BFCC
secondary
#DBB8B3
accent
#604EDA
background
#F9FCFD
surface
#F2F9FB
border
#CCD2D4
text
#0E1415
muted
#7E8283

Preview Lab

Preview with #66BFCC

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

Preview Lab → · Contrast checker → · Palette generator →

#66BFCC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva