#66AAFA#66AAFA

#66AAFA is a light, vivid cyan. Relative luminance 0.385; OKLCH L 72.7% C 0.136 H 253.6°. Best body text is #000000 at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#66AAFA
RGB	rgb(102, 170, 250)
HSL	hsl(212, 94%, 69%)
HSV	hsv(212, 59%, 98%)
CMYK	cmyk(59.2%, 32%, 0%, 2%)
CIE-LAB	lab(68.37, 1.77, -46.25)
CIE-LCH	lch(68.37, 46.28, 272.19°)
OKLab	oklab(72.71% -0.0385 -0.1306)
OKLCH	oklch(72.71% 0.136 253.6)
XYZ	xyz(37.1033, 38.4730, 95.8947)
Luminance	0.3848 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AAFA #FAB666

analogous

#66F4FA #66AAFA #6C66FA

triadic

#66AAFA #FA66AA #AAFA66

tetradic

#66AAFA #FA66F4 #FAB666 #66FA6C

square

#66AAFA #FA66F4 #FAB666 #66FA6C

split-complementary

#66AAFA #FA6C66 #F4FA66

monochromatic

#076ADE #2B89F8 #66AAFA #A1CBFC #DDECFE

Accessibility & contrast

On white

2.42

#66AAFA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.70

#66AAFA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AAFA

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AAFA	#FFFFFF	#000000	##000000
##66AAFA	1.00	2.42	8.70	8.70
#FFFFFF	2.42	1.00	21.00	21.00
#000000	8.70	21.00	1.00	1.00
##000000	8.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#88AFFD

Deuteranopia (green-blind)

#75A0F8

Tritanopia (blue-blind)

#00BCC7

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #66aafa;
/* rgb */ color: rgb(102, 170, 250);
/* oklch */ color: oklch(72.7% 0.136 253.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#66aafa",
  "rgb": {
    "r": 102,
    "g": 170,
    "b": 250
  },
  "hsl": {
    "h": 212.432,
    "s": 93.671,
    "l": 69.02
  },
  "oklch": {
    "l": 0.72712,
    "c": 0.13618,
    "h": 253.6
  },
  "luminance": 0.38476
}

Semantic roles & 50–950 ramp

primary

#66AAFA

secondary

#F4E0C8

accent

#7C00E6

background

#FAFBFF

surface

#F4F7FF

border

#CED0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #66AAFA

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

Preview Lab → · Contrast checker → · Palette generator →