#66AFF2#66AFF2

#66AFF2 is a light, vivid cyan. Relative luminance 0.399; OKLCH L 73.4% C 0.122 H 247.9°. Best body text is #000000 at 8.98:1 contrast (WCAG AA passes).

Color values

HEX#66AFF2
RGBrgb(102, 175, 242)
HSLhsl(209, 84%, 67%)
HSVhsv(209, 58%, 95%)
CMYKcmyk(57.9%, 27.7%, 0%, 5.1%)
CIE-LABlab(69.39, -3.55, -40.29)
CIE-LCHlch(69.39, 40.45, 264.97°)
OKLaboklab(73.4% -0.046 -0.1133)
OKLCHoklch(73.4% 0.122 247.9)
XYZxyz(36.8306, 39.8922, 89.7462)
Luminance0.3990 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66AFF2 #F2A966
analogous
#66F2EF #66AFF2 #6669F2
triadic
#66AFF2 #F266AF #AFF266
tetradic
#66AFF2 #EF66F2 #F2A966 #69F266
square
#66AFF2 #EF66F2 #F2A966 #69F266
split-complementary
#66AFF2 #F26669 #F2EF66
monochromatic
#1173CC #2E92ED #66AFF2 #9ECCF7 #D7EAFC

Accessibility & contrast

On white

2.34
#66AFF2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.98
#66AFF2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AFF2
8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66AFF2#FFFFFF#000000##000000
##66AFF21.002.348.988.98
#FFFFFF2.341.0021.0021.00
#0000008.9821.001.001.00
##0000008.9821.001.001.00

Color blindness preview

Protanopia (red-blind)
#92B1F5
Deuteranopia (green-blind)
#80A3F1
Tritanopia (blue-blind)
#00BFC6
Achromatopsia (no color)
#A9A9A9

Design tokens & code

CSS
--color: #66aff2;
/* rgb */ color: rgb(102, 175, 242);
/* oklch */ color: oklch(73.4% 0.122 247.9);
Tailwind
colors: {
  custom: {
    50: '#9cc6f6',
    500: '#66aff2',
    950: '#000000',
  },
}
SCSS
$custom: #66aff2;
$custom-light: #9cc6f6;
$custom-dark: #000000;
JSON
{
  "hex": "#66aff2",
  "rgb": {
    "r": 102,
    "g": 175,
    "b": 242
  },
  "hsl": {
    "h": 208.714,
    "s": 84.337,
    "l": 67.451
  },
  "oklch": {
    "l": 0.734,
    "c": 0.12231,
    "h": 247.9
  },
  "luminance": 0.39896
}

Semantic roles & 50–950 ramp

primary
#66AFF2
secondary
#F0D9C4
accent
#6E05E1
background
#FAFCFF
surface
#F4F8FE
border
#CED1D6
text
#0F1317
muted
#7F8285

Preview Lab

Preview with #66AFF2

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

Preview Lab → · Contrast checker → · Palette generator →

#66AFF2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva