#66ABDB#66ABDB

#66ABDB is a light, moderate cyan. Relative luminance 0.371; OKLCH L 71.5% C 0.099 H 240.5°. Best body text is #000000 at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#66ABDB
RGB	rgb(102, 171, 219)
HSL	hsl(205, 62%, 63%)
HSV	hsv(205, 53%, 86%)
CMYK	cmyk(53.4%, 21.9%, 0%, 14.1%)
CIE-LAB	lab(67.32, -8.36, -30.93)
CIE-LCH	lch(67.32, 32.04, 254.88°)
OKLab	oklab(71.46% -0.0489 -0.0863)
OKLCH	oklch(71.46% 0.099 240.5)
XYZ	xyz(32.8239, 37.0623, 72.4281)
Luminance	0.3706 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ABDB #DB9666

analogous

#66DBD0 #66ABDB #6670DB

triadic

#66ABDB #DB66AB #ABDB66

tetradic

#66ABDB #D066DB #DB9666 #70DB66

square

#66ABDB #D066DB #DB9666 #70DB66

split-complementary

#66ABDB #DB6670 #DBD066

monochromatic

#266EA1 #3490CF #66ABDB #98C6E7 #C9E1F2

Accessibility & contrast

On white

2.50

#66ABDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.41

#66ABDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ABDB

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ABDB	#FFFFFF	#000000	##000000
##66ABDB	1.00	2.50	8.41	8.41
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.41	21.00	1.00	1.00
##000000	8.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96ABDD

Deuteranopia (green-blind)

#869FDA

Tritanopia (blue-blind)

#18B7BB

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #66abdb;
/* rgb */ color: rgb(102, 171, 219);
/* oklch */ color: oklch(71.5% 0.099 240.5);

Tailwind

colors: {
  custom: {
    50: '#99c3e6',
    500: '#66abdb',
    950: '#000000',
  },
}

SCSS

$custom: #66abdb;
$custom-light: #99c3e6;
$custom-dark: #000000;

JSON

{
  "hex": "#66abdb",
  "rgb": {
    "r": 102,
    "g": 171,
    "b": 219
  },
  "hsl": {
    "h": 204.615,
    "s": 61.905,
    "l": 62.941
  },
  "oklch": {
    "l": 0.71455,
    "c": 0.09925,
    "h": 240.5
  },
  "luminance": 0.37065
}

Semantic roles & 50–950 ramp

primary

#66ABDB

secondary

#E3CBB9

accent

#631CCA

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #66ABDB

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

Preview Lab → · Contrast checker → · Palette generator →