#66CBDD#66CBDD

#66CBDD is a light, moderate teal. Relative luminance 0.508; OKLCH L 78.8% C 0.097 H 210.6°. Best body text is #000000 at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#66CBDD
RGB	rgb(102, 203, 221)
HSL	hsl(189, 64%, 63%)
HSV	hsv(189, 54%, 87%)
CMYK	cmyk(53.8%, 8.1%, 0%, 13.3%)
CIE-LAB	lab(76.53, -24.51, -17.95)
CIE-LCH	lch(76.53, 30.38, 216.21°)
OKLab	oklab(78.82% -0.0837 -0.0496)
OKLCH	oklch(78.82% 0.097 210.6)
XYZ	xyz(39.8814, 50.7534, 76.0873)
Luminance	0.5076 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CBDD #DD7866

analogous

#66DDB3 #66CBDD #668FDD

triadic

#66CBDD #DD66CB #CBDD66

tetradic

#66CBDD #B366DD #DD7866 #8FDD66

square

#66CBDD #B366DD #DD7866 #8FDD66

split-complementary

#66CBDD #DD668F #DDB366

monochromatic

#2491A4 #34BAD2 #66CBDD #98DCE8 #CAEDF3

Accessibility & contrast

On white

1.88

#66CBDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.15

#66CBDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CBDD

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CBDD	#FFFFFF	#000000	##000000
##66CBDD	1.00	1.88	11.15	11.15
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.15	21.00	1.00	1.00
##000000	11.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCC5DE

Deuteranopia (green-blind)

#A9B7DD

Tritanopia (blue-blind)

#00D3D0

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #66cbdd;
/* rgb */ color: rgb(102, 203, 221);
/* oklch */ color: oklch(78.8% 0.097 210.6);

Tailwind

colors: {
  custom: {
    50: '#9bdbe7',
    500: '#66cbdd',
    950: '#000000',
  },
}

SCSS

$custom: #66cbdd;
$custom-light: #9bdbe7;
$custom-dark: #000000;

JSON

{
  "hex": "#66cbdd",
  "rgb": {
    "r": 102,
    "g": 203,
    "b": 221
  },
  "hsl": {
    "h": 189.076,
    "s": 63.636,
    "l": 63.333
  },
  "oklch": {
    "l": 0.78816,
    "c": 0.09734,
    "h": 210.6
  },
  "luminance": 0.50757
}

Semantic roles & 50–950 ramp

primary

#66CBDD

secondary

#A75040

accent

#351ACB

background

#FCFEFE

surface

#F5FBFC

border

#CFD4D5

text

#0F1516

muted

#808484

Preview Lab

Preview with #66CBDD

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

Preview Lab → · Contrast checker → · Palette generator →