#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
RGB	rgb(102, 160, 250)
HSL	hsl(216, 94%, 69%)
HSV	hsv(216, 59%, 98%)
CMYK	cmyk(59.2%, 36%, 0%, 2%)
CIE-LAB	lab(65.64, 7.49, -50.54)
CIE-LCH	lch(65.64, 51.09, 278.43°)
OKLab	oklab(70.59% -0.0281 -0.1432)
OKLCH	oklch(70.59% 0.146 258.9)
XYZ	xyz(35.2995, 34.8654, 95.2934)
Luminance	0.3487 (WCAG relative)
Temperature	cool
Family	blue

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
##66A0FA	1.00	2.63	7.97	7.97
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.97	21.00	1.00	1.00
##000000	7.97	21.00	1.00	1.00

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 →