#66A2F0#66A2F0

#66A2F0 is a light, vivid cyan. Relative luminance 0.350; OKLCH L 70.5% C 0.131 H 255.5°. Best body text is #000000 at 7.99:1 contrast (WCAG AA passes).

Color values

HEX#66A2F0
RGBrgb(102, 162, 240)
HSLhsl(214, 82%, 67%)
HSVhsv(214, 58%, 94%)
CMYKcmyk(57.5%, 32.5%, 0%, 5.9%)
CIE-LABlab(65.71, 3.15, -44.97)
CIE-LCHlch(65.71, 45.08, 274.01°)
OKLaboklab(70.48% -0.0327 -0.127)
OKLCHoklch(70.48% 0.131 255.5)
XYZxyz(34.1224, 34.9538, 87.3697)
Luminance0.3496 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66A2F0 #F0B466
analogous
#66E7F0 #66A2F0 #6F66F0
triadic
#66A2F0 #F066A2 #A2F066
tetradic
#66A2F0 #F066E7 #F0B466 #66F06F
square
#66A2F0 #F066E7 #F0B466 #66F06F
split-complementary
#66A2F0 #F06F66 #E7F066
monochromatic
#1462C8 #2E80EB #66A2F0 #9EC4F5 #D5E6FB

Accessibility & contrast

On white

2.63
#66A2F0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.99
#66A2F0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A2F0
7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66A2F0#FFFFFF#000000##000000
##66A2F01.002.637.997.99
#FFFFFF2.631.0021.0021.00
#0000007.9921.001.001.00
##0000007.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#82A7F3
Deuteranopia (green-blind)
#709AEE
Tritanopia (blue-blind)
#00B4BE
Achromatopsia (no color)
#A0A0A0

Design tokens & code

CSS
--color: #66a2f0;
/* rgb */ color: rgb(102, 162, 240);
/* oklch */ color: oklch(70.5% 0.131 255.5);
Tailwind
colors: {
  custom: {
    50: '#9bbdf5',
    500: '#66a2f0',
    950: '#000000',
  },
}
SCSS
$custom: #66a2f0;
$custom-light: #9bbdf5;
$custom-dark: #000000;
JSON
{
  "hex": "#66a2f0",
  "rgb": {
    "r": 102,
    "g": 162,
    "b": 240
  },
  "hsl": {
    "h": 213.913,
    "s": 82.143,
    "l": 67.059
  },
  "oklch": {
    "l": 0.70484,
    "c": 0.13111,
    "h": 255.5
  },
  "luminance": 0.34957
}

Semantic roles & 50–950 ramp

primary
#66A2F0
secondary
#EFDCC3
accent
#8107DF
background
#FAFBFF
surface
#F4F6FE
border
#CED0D6
text
#0F1217
muted
#7F8185

Preview Lab

Preview with #66A2F0

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

Preview Lab → · Contrast checker → · Palette generator →

#66A2F0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva