#66DAEB#66DAEB

#66DAEB is a very light, moderate teal. Relative luminance 0.590; OKLCH L 82.8% C 0.107 H 208.2°. Best body text is #000000 at 12.79:1 contrast (WCAG AA passes).

Color values

HEX	#66DAEB
RGB	rgb(102, 218, 235)
HSL	hsl(188, 77%, 66%)
HSV	hsv(188, 57%, 92%)
CMYK	cmyk(56.6%, 7.2%, 0%, 7.8%)
CIE-LAB	lab(81.27, -28.02, -18.28)
CIE-LCH	lch(81.27, 33.45, 213.12°)
OKLab	oklab(82.77% -0.0943 -0.0506)
OKLCH	oklch(82.77% 0.107 208.2)
XYZ	xyz(45.5402, 58.9613, 87.5619)
Luminance	0.5897 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DAEB #EB7766

analogous

#66EBB9 #66DAEB #6697EB

triadic

#66DAEB #EB66DA #DAEB66

tetradic

#66DAEB #B966EB #EB7766 #97EB66

square

#66DAEB #B966EB #EB7766 #97EB66

split-complementary

#66DAEB #EB6697 #EBB966

monochromatic

#19A9BE #30CDE4 #66DAEB #9CE7F2 #D2F4F9

Accessibility & contrast

On white

1.64

#66DAEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.79

#66DAEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DAEB

12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DAEB	#FFFFFF	#000000	##000000
##66DAEB	1.00	1.64	12.79	12.79
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.79	21.00	1.00	1.00
##000000	12.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAD3EC

Deuteranopia (green-blind)

#B5C3EB

Tritanopia (blue-blind)

#00E3DF

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #66daeb;
/* rgb */ color: rgb(102, 218, 235);
/* oklch */ color: oklch(82.8% 0.107 208.2);

Tailwind

colors: {
  custom: {
    50: '#9de5f1',
    500: '#66daeb',
    950: '#000000',
  },
}

SCSS

$custom: #66daeb;
$custom-light: #9de5f1;
$custom-dark: #000000;

JSON

{
  "hex": "#66daeb",
  "rgb": {
    "r": 102,
    "g": 218,
    "b": 235
  },
  "hsl": {
    "h": 187.669,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.82772,
    "c": 0.10698,
    "h": 208.2
  },
  "luminance": 0.58966
}

Semantic roles & 50–950 ramp

primary

#66DAEB

secondary

#BD4939

accent

#270CD9

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1616

muted

#808485

Preview Lab

Preview with #66DAEB

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

Preview Lab → · Contrast checker → · Palette generator →