#66ABFA#66ABFA

#66ABFA is a light, vivid cyan. Relative luminance 0.389; OKLCH L 72.9% C 0.135 H 253.0°. Best body text is #000000 at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#66ABFA
RGB	rgb(102, 171, 250)
HSL	hsl(212, 94%, 69%)
HSV	hsv(212, 59%, 98%)
CMYK	cmyk(59.2%, 31.6%, 0%, 2%)
CIE-LAB	lab(68.64, 1.20, -45.82)
CIE-LCH	lch(68.64, 45.83, 271.50°)
OKLab	oklab(72.93% -0.0396 -0.1294)
OKLCH	oklch(72.93% 0.135 253)
XYZ	xyz(37.2915, 38.8494, 95.9574)
Luminance	0.3885 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ABFA #FAB566

analogous

#66F5FA #66ABFA #6B66FA

triadic

#66ABFA #FA66AB #ABFA66

tetradic

#66ABFA #FA66F5 #FAB566 #66FA6B

square

#66ABFA #FA66F5 #FAB566 #66FA6B

split-complementary

#66ABFA #FA6B66 #F5FA66

monochromatic

#076CDE #2B8AF8 #66ABFA #A1CCFC #DDECFE

Accessibility & contrast

On white

2.39

#66ABFA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.77

#66ABFA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ABFA

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ABFA	#FFFFFF	#000000	##000000
##66ABFA	1.00	2.39	8.77	8.77
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.77	21.00	1.00	1.00
##000000	8.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8AAFFD

Deuteranopia (green-blind)

#76A1F8

Tritanopia (blue-blind)

#00BDC7

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #66abfa;
/* rgb */ color: rgb(102, 171, 250);
/* oklch */ color: oklch(72.9% 0.135 253.0);

Tailwind

colors: {
  custom: {
    50: '#9dc3fc',
    500: '#66abfa',
    950: '#000000',
  },
}

SCSS

$custom: #66abfa;
$custom-light: #9dc3fc;
$custom-dark: #000000;

JSON

{
  "hex": "#66abfa",
  "rgb": {
    "r": 102,
    "g": 171,
    "b": 250
  },
  "hsl": {
    "h": 212.027,
    "s": 93.671,
    "l": 69.02
  },
  "oklch": {
    "l": 0.72927,
    "c": 0.13527,
    "h": 253
  },
  "luminance": 0.38853
}

Semantic roles & 50–950 ramp

primary

#66ABFA

secondary

#F4DFC8

accent

#7B00E6

background

#FAFBFF

surface

#F4F7FF

border

#CED0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #66ABFA

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

Preview Lab → · Contrast checker → · Palette generator →