#66AFCD#66AFCD

#66AFCD is a light, moderate cyan. Relative luminance 0.379; OKLCH L 71.8% C 0.085 H 226.5°. Best body text is #000000 at 8.58:1 contrast (WCAG AA passes).

Color values

HEX#66AFCD
RGBrgb(102, 175, 205)
HSLhsl(197, 51%, 60%)
HSVhsv(197, 50%, 80%)
CMYKcmyk(50.2%, 14.6%, 0%, 19.6%)
CIE-LABlab(67.94, -14.61, -22.27)
CIE-LCHlch(67.94, 26.63, 236.74°)
OKLaboklab(71.77% -0.0585 -0.0617)
OKLCHoklch(71.77% 0.085 226.5)
XYZxyz(31.8248, 37.8899, 63.3822)
Luminance0.3789 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66AFCD #CD8466
analogous
#66CDB8 #66AFCD #667BCD
triadic
#66AFCD #CD66AF #AFCD66
tetradic
#66AFCD #B866CD #CD8466 #7BCD66
square
#66AFCD #B866CD #CD8466 #7BCD66
split-complementary
#66AFCD #CD667B #CDB866
monochromatic
#2D708B #3D95B9 #66AFCD #94C7DC #C2DFEB

Accessibility & contrast

On white

2.45
#66AFCD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.58
#66AFCD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AFCD
8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66AFCD#FFFFFF#000000##000000
##66AFCD1.002.458.588.58
#FFFFFF2.451.0021.0021.00
#0000008.5821.001.001.00
##0000008.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#9FACCF
Deuteranopia (green-blind)
#90A1CD
Tritanopia (blue-blind)
#2CB8B9
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #66afcd;
/* rgb */ color: rgb(102, 175, 205);
/* oklch */ color: oklch(71.8% 0.085 226.5);
Tailwind
colors: {
  custom: {
    50: '#98c7dc',
    500: '#66afcd',
    950: '#000000',
  },
}
SCSS
$custom: #66afcd;
$custom-light: #98c7dc;
$custom-dark: #000000;
JSON
{
  "hex": "#66afcd",
  "rgb": {
    "r": 102,
    "g": 175,
    "b": 205
  },
  "hsl": {
    "h": 197.476,
    "s": 50.739,
    "l": 60.196
  },
  "oklch": {
    "l": 0.7177,
    "c": 0.08503,
    "h": 226.5
  },
  "luminance": 0.37893
}

Semantic roles & 50–950 ramp

primary
#66AFCD
secondary
#DBBFB4
accent
#5327BE
background
#F9FCFD
surface
#F2F8FB
border
#CCD1D4
text
#0E1315
muted
#7E8283

Preview Lab

Preview with #66AFCD

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

Preview Lab → · Contrast checker → · Palette generator →

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