#66D8ED#66D8ED

#66D8ED is a very light, moderate teal. Relative luminance 0.581; OKLCH L 82.4% C 0.107 H 211.4°. Best body text is #000000 at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#66D8ED
RGB	rgb(102, 216, 237)
HSL	hsl(189, 79%, 66%)
HSV	hsv(189, 57%, 93%)
CMYK	cmyk(57%, 8.9%, 0%, 7.1%)
CIE-LAB	lab(80.76, -26.48, -20.11)
CIE-LCH	lch(80.76, 33.25, 217.21°)
OKLab	oklab(82.39% -0.0914 -0.0557)
OKLCH	oklch(82.39% 0.107 211.4)
XYZ	xyz(45.3152, 58.0465, 88.9203)
Luminance	0.5805 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D8ED #ED7B66

analogous

#66EDBE #66D8ED #6695ED

triadic

#66D8ED #ED66D8 #D8ED66

tetradic

#66D8ED #BE66ED #ED7B66 #95ED66

square

#66D8ED #BE66ED #ED7B66 #95ED66

split-complementary

#66D8ED #ED6695 #EDBE66

monochromatic

#17A7C2 #2FCAE7 #66D8ED #9DE6F3 #D4F4FA

Accessibility & contrast

On white

1.67

#66D8ED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.61

#66D8ED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D8ED

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D8ED	#FFFFFF	#000000	##000000
##66D8ED	1.00	1.67	12.61	12.61
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.61	21.00	1.00	1.00
##000000	12.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7D1EE

Deuteranopia (green-blind)

#B2C2ED

Tritanopia (blue-blind)

#00E1DE

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #66d8ed;
/* rgb */ color: rgb(102, 216, 237);
/* oklch */ color: oklch(82.4% 0.107 211.4);

Tailwind

colors: {
  custom: {
    50: '#9de4f2',
    500: '#66d8ed',
    950: '#000000',
  },
}

SCSS

$custom: #66d8ed;
$custom-light: #9de4f2;
$custom-dark: #000000;

JSON

{
  "hex": "#66d8ed",
  "rgb": {
    "r": 102,
    "g": 216,
    "b": 237
  },
  "hsl": {
    "h": 189.333,
    "s": 78.947,
    "l": 66.471
  },
  "oklch": {
    "l": 0.82387,
    "c": 0.10701,
    "h": 211.4
  },
  "luminance": 0.58051
}

Semantic roles & 50–950 ramp

primary

#66D8ED

secondary

#C04D37

accent

#2B0ADB

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #66D8ED

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

Preview Lab → · Contrast checker → · Palette generator →