#66BAE2#66BAE2

#66BAE2 is a light, moderate cyan. Relative luminance 0.434; OKLCH L 75.1% C 0.100 H 230.7°. Best body text is #000000 at 9.69:1 contrast (WCAG AA passes).

Color values

HEX#66BAE2
RGBrgb(102, 186, 226)
HSLhsl(199, 68%, 64%)
HSVhsv(199, 55%, 89%)
CMYKcmyk(54.9%, 17.7%, 0%, 11.4%)
CIE-LABlab(71.85, -14.35, -27.79)
CIE-LCHlch(71.85, 31.28, 242.68°)
OKLaboklab(75.13% -0.0632 -0.0774)
OKLCHoklch(75.13% 0.1 230.7)
XYZxyz(36.7607, 43.4303, 78.3824)
Luminance0.4343 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66BAE2 #E28E66
analogous
#66E2CC #66BAE2 #667CE2
triadic
#66BAE2 #E266BA #BAE266
tetradic
#66BAE2 #CC66E2 #E28E66 #7CE266
square
#66BAE2 #CC66E2 #E28E66 #7CE266
split-complementary
#66BAE2 #E2667C #E2CC66
monochromatic
#2180AD #33A3D8 #66BAE2 #99D1EC #CDE8F6

Accessibility & contrast

On white

2.17
#66BAE2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.69
#66BAE2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BAE2
9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66BAE2#FFFFFF#000000##000000
##66BAE21.002.179.699.69
#FFFFFF2.171.0021.0021.00
#0000009.6921.001.001.00
##0000009.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#A6B8E4
Deuteranopia (green-blind)
#94AAE1
Tritanopia (blue-blind)
#00C5C7
Achromatopsia (no color)
#B0B0B0

Design tokens & code

CSS
--color: #66bae2;
/* rgb */ color: rgb(102, 186, 226);
/* oklch */ color: oklch(75.1% 0.100 230.7);
Tailwind
colors: {
  custom: {
    50: '#9aceeb',
    500: '#66bae2',
    950: '#000000',
  },
}
SCSS
$custom: #66bae2;
$custom-light: #9aceeb;
$custom-dark: #000000;
JSON
{
  "hex": "#66bae2",
  "rgb": {
    "r": 102,
    "g": 186,
    "b": 226
  },
  "hsl": {
    "h": 199.355,
    "s": 68.132,
    "l": 64.314
  },
  "oklch": {
    "l": 0.75131,
    "c": 0.09991,
    "h": 230.7
  },
  "luminance": 0.43434
}

Semantic roles & 50–950 ramp

primary
#66BAE2
secondary
#E7CABC
accent
#5215D0
background
#FAFCFE
surface
#F3F9FD
border
#CDD2D5
text
#0F1316
muted
#7F8284

Preview Lab

Preview with #66BAE2

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

Preview Lab → · Contrast checker → · Palette generator →

#66BAE2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva