#66A0FA#66A0FA

#66A0FA is a light, vivid blue. Relative luminance 0.349; OKLCH L 70.6% C 0.146 H 258.9°. Best body text is #000000 at 7.97:1 contrast (WCAG AA passes).

Color values

HEX#66A0FA
RGBrgb(102, 160, 250)
HSLhsl(216, 94%, 69%)
HSVhsv(216, 59%, 98%)
CMYKcmyk(59.2%, 36%, 0%, 2%)
CIE-LABlab(65.64, 7.49, -50.54)
CIE-LCHlch(65.64, 51.09, 278.43°)
OKLaboklab(70.59% -0.0281 -0.1432)
OKLCHoklch(70.59% 0.146 258.9)
XYZxyz(35.2995, 34.8654, 95.2934)
Luminance0.3487 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66A0FA #FAC066
analogous
#66EAFA #66A0FA #7666FA
triadic
#66A0FA #FA66A0 #A0FA66
tetradic
#66A0FA #FA66EA #FAC066 #66FA76
square
#66A0FA #FA66EA #FAC066 #66FA76
split-complementary
#66A0FA #FA7666 #EAFA66
monochromatic
#075CDE #2B7BF8 #66A0FA #A1C5FC #DDEAFE

Accessibility & contrast

On white

2.63
#66A0FA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.97
#66A0FA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A0FA
7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66A0FA#FFFFFF#000000##000000
##66A0FA1.002.637.977.97
#FFFFFF2.631.0021.0021.00
#0000007.9721.001.001.00
##0000007.9721.001.001.00

Color blindness preview

Protanopia (red-blind)
#7AA7FE
Deuteranopia (green-blind)
#6699F8
Tritanopia (blue-blind)
#00B4C1
Achromatopsia (no color)
#9F9F9F

Design tokens & code

CSS
--color: #66a0fa;
/* rgb */ color: rgb(102, 160, 250);
/* oklch */ color: oklch(70.6% 0.146 258.9);
Tailwind
colors: {
  custom: {
    50: '#9dbbfc',
    500: '#66a0fa',
    950: '#000000',
  },
}
SCSS
$custom: #66a0fa;
$custom-light: #9dbbfc;
$custom-dark: #000000;
JSON
{
  "hex": "#66a0fa",
  "rgb": {
    "r": 102,
    "g": 160,
    "b": 250
  },
  "hsl": {
    "h": 216.486,
    "s": 93.671,
    "l": 69.02
  },
  "oklch": {
    "l": 0.70586,
    "c": 0.14598,
    "h": 258.9
  },
  "luminance": 0.34869
}

Semantic roles & 50–950 ramp

primary
#66A0FA
secondary
#F4E3C8
accent
#8C00E6
background
#FAFBFF
surface
#F4F6FF
border
#CED0D7
text
#0F1117
muted
#7F8085

Preview Lab

Preview with #66A0FA

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

Preview Lab → · Contrast checker → · Palette generator →

#66A0FA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva