#66C8DA#66C8DA

#66C8DA is a light, moderate teal. Relative luminance 0.492; OKLCH L 78.0% C 0.095 H 211.0°. Best body text is #000000 at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#66C8DA
RGB	rgb(102, 200, 218)
HSL	hsl(189, 61%, 63%)
HSV	hsv(189, 53%, 85%)
CMYK	cmyk(53.2%, 8.3%, 0%, 14.5%)
CIE-LAB	lab(75.57, -23.84, -17.78)
CIE-LCH	lch(75.57, 29.74, 216.71°)
OKLab	oklab(78.02% -0.0816 -0.0491)
OKLCH	oklch(78.02% 0.095 211)
XYZ	xyz(38.7836, 49.1917, 73.7672)
Luminance	0.4919 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C8DA #DA7866

analogous

#66DAB2 #66C8DA #668EDA

triadic

#66C8DA #DA66C8 #C8DA66

tetradic

#66C8DA #B266DA #DA7866 #8EDA66

square

#66C8DA #B266DA #DA7866 #8EDA66

split-complementary

#66C8DA #DA668E #DAB266

monochromatic

#268C9F #35B6CE #66C8DA #97DAE6 #C9EBF2

Accessibility & contrast

On white

1.94

#66C8DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.84

#66C8DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C8DA

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C8DA	#FFFFFF	#000000	##000000
##66C8DA	1.00	1.94	10.84	10.84
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.84	21.00	1.00	1.00
##000000	10.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9C2DB

Deuteranopia (green-blind)

#A7B4DA

Tritanopia (blue-blind)

#00D0CD

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #66c8da;
/* rgb */ color: rgb(102, 200, 218);
/* oklch */ color: oklch(78.0% 0.095 211.0);

Tailwind

colors: {
  custom: {
    50: '#9ad9e5',
    500: '#66c8da',
    950: '#000000',
  },
}

SCSS

$custom: #66c8da;
$custom-light: #9ad9e5;
$custom-dark: #000000;

JSON

{
  "hex": "#66c8da",
  "rgb": {
    "r": 102,
    "g": 200,
    "b": 218
  },
  "hsl": {
    "h": 189.31,
    "s": 61.053,
    "l": 62.745
  },
  "oklch": {
    "l": 0.78015,
    "c": 0.09529,
    "h": 211
  },
  "luminance": 0.49195
}

Semantic roles & 50–950 ramp

primary

#66C8DA

secondary

#E3BFB9

accent

#371DC9

background

#FAFDFE

surface

#F3FAFC

border

#CDD3D5

text

#0F1415

muted

#7F8384

Preview Lab

Preview with #66C8DA

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

Preview Lab → · Contrast checker → · Palette generator →