#66EAFD#66EAFD

#66EAFD is a very light, moderate teal. Relative luminance 0.688; OKLCH L 87.1% C 0.118 H 208.2°. Best body text is #000000 at 14.75:1 contrast (WCAG AA passes).

Color values

HEX	#66EAFD
RGB	rgb(102, 234, 253)
HSL	hsl(188, 97%, 70%)
HSV	hsv(188, 60%, 99%)
CMYK	cmyk(59.7%, 7.5%, 0%, 0.8%)
CIE-LAB	lab(86.38, -30.74, -20.07)
CIE-LCH	lch(86.38, 36.71, 213.14°)
OKLab	oklab(87.07% -0.1037 -0.0556)
OKLCH	oklch(87.07% 0.118 208.2)
XYZ	xyz(52.6246, 68.7568, 103.4075)
Luminance	0.6876 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EAFD #FD7966

analogous

#66FDC5 #66EAFD #669EFD

triadic

#66EAFD #FD66EA #EAFD66

tetradic

#66EAFD #C566FD #FD7966 #9EFD66

square

#66EAFD #C566FD #FD7966 #9EFD66

split-complementary

#66EAFD #FD669E #FDC566

monochromatic

#03C9E6 #2AE2FC #66EAFD #A2F2FE #DFFBFF

Accessibility & contrast

On white

1.42

#66EAFD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.75

#66EAFD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EAFD

14.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EAFD	#FFFFFF	#000000	##000000
##66EAFD	1.00	1.42	14.75	14.75
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.75	21.00	1.00	1.00
##000000	14.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8E2FE

Deuteranopia (green-blind)

#C1D1FD

Tritanopia (blue-blind)

#00F3F0

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #66eafd;
/* rgb */ color: rgb(102, 234, 253);
/* oklch */ color: oklch(87.1% 0.118 208.2);

Tailwind

colors: {
  custom: {
    50: '#a0f1fe',
    500: '#66eafd',
    950: '#000000',
  },
}

SCSS

$custom: #66eafd;
$custom-light: #a0f1fe;
$custom-dark: #000000;

JSON

{
  "hex": "#66eafd",
  "rgb": {
    "r": 102,
    "g": 234,
    "b": 253
  },
  "hsl": {
    "h": 187.55,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.87074,
    "c": 0.1177,
    "h": 208.2
  },
  "luminance": 0.68762
}

Semantic roles & 50–950 ramp

primary

#66EAFD

secondary

#D8452F

accent

#1D00E6

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101617

muted

#818585

Preview Lab

Preview with #66EAFD

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

Preview Lab → · Contrast checker → · Palette generator →