#66D5EA#66D5EA

#66D5EA is a light, moderate teal. Relative luminance 0.564; OKLCH L 81.6% C 0.105 H 211.7°. Best body text is #000000 at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#66D5EA
RGB	rgb(102, 213, 234)
HSL	hsl(190, 76%, 66%)
HSV	hsv(190, 56%, 92%)
CMYK	cmyk(56.4%, 9%, 0%, 8.2%)
CIE-LAB	lab(79.81, -25.85, -19.95)
CIE-LCH	lch(79.81, 32.65, 217.66°)
OKLab	oklab(81.59% -0.0894 -0.0552)
OKLCH	oklch(81.59% 0.105 211.7)
XYZ	xyz(44.1190, 56.3495, 86.3774)
Luminance	0.5635 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D5EA #EA7B66

analogous

#66EABD #66D5EA #6693EA

triadic

#66D5EA #EA66D5 #D5EA66

tetradic

#66D5EA #BD66EA #EA7B66 #93EA66

square

#66D5EA #BD66EA #EA7B66 #93EA66

split-complementary

#66D5EA #EA6693 #EABD66

monochromatic

#1AA2BC #30C6E3 #66D5EA #9CE4F1 #D2F3F9

Accessibility & contrast

On white

1.71

#66D5EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.27

#66D5EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D5EA

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D5EA	#FFFFFF	#000000	##000000
##66D5EA	1.00	1.71	12.27	12.27
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.27	21.00	1.00	1.00
##000000	12.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4CEEB

Deuteranopia (green-blind)

#B0BFEA

Tritanopia (blue-blind)

#00DEDB

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #66d5ea;
/* rgb */ color: rgb(102, 213, 234);
/* oklch */ color: oklch(81.6% 0.105 211.7);

Tailwind

colors: {
  custom: {
    50: '#9de2f0',
    500: '#66d5ea',
    950: '#000000',
  },
}

SCSS

$custom: #66d5ea;
$custom-light: #9de2f0;
$custom-dark: #000000;

JSON

{
  "hex": "#66d5ea",
  "rgb": {
    "r": 102,
    "g": 213,
    "b": 234
  },
  "hsl": {
    "h": 189.545,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.8159,
    "c": 0.10508,
    "h": 211.7
  },
  "luminance": 0.56354
}

Semantic roles & 50–950 ramp

primary

#66D5EA

secondary

#BB4E39

accent

#2E0DD8

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #66D5EA

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

Preview Lab → · Contrast checker → · Palette generator →