#66BDED#66BDED

#66BDED is a light, moderate cyan. Relative luminance 0.453; OKLCH L 76.3% C 0.109 H 234.8°. Best body text is #000000 at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#66BDED
RGB	rgb(102, 189, 237)
HSL	hsl(201, 79%, 66%)
HSV	hsv(201, 57%, 93%)
CMYK	cmyk(57%, 20.3%, 0%, 7.1%)
CIE-LAB	lab(73.11, -12.68, -31.81)
CIE-LCH	lch(73.11, 34.24, 248.27°)
OKLab	oklab(76.27% -0.0626 -0.0888)
OKLCH	oklch(76.27% 0.109 234.8)
XYZ	xyz(38.9574, 45.3308, 86.8011)
Luminance	0.4533 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BDED #ED9666

analogous

#66EDD9 #66BDED #667AED

triadic

#66BDED #ED66BD #BDED66

tetradic

#66BDED #D966ED #ED9666 #7AED66

square

#66BDED #D966ED #ED9666 #7AED66

split-complementary

#66BDED #ED667A #EDD966

monochromatic

#1785C2 #2FA5E7 #66BDED #9DD5F3 #D4ECFA

Accessibility & contrast

On white

2.09

#66BDED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.07

#66BDED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BDED

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BDED	#FFFFFF	#000000	##000000
##66BDED	1.00	2.09	10.07	10.07
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.07	21.00	1.00	1.00
##000000	10.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6BBEF

Deuteranopia (green-blind)

#93ADEC

Tritanopia (blue-blind)

#00CACD

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #66bded;
/* rgb */ color: rgb(102, 189, 237);
/* oklch */ color: oklch(76.3% 0.109 234.8);

Tailwind

colors: {
  custom: {
    50: '#9cd0f3',
    500: '#66bded',
    950: '#000000',
  },
}

SCSS

$custom: #66bded;
$custom-light: #9cd0f3;
$custom-dark: #000000;

JSON

{
  "hex": "#66bded",
  "rgb": {
    "r": 102,
    "g": 189,
    "b": 237
  },
  "hsl": {
    "h": 201.333,
    "s": 78.947,
    "l": 66.471
  },
  "oklch": {
    "l": 0.76272,
    "c": 0.1087,
    "h": 234.8
  },
  "luminance": 0.45334
}

Semantic roles & 50–950 ramp

primary

#66BDED

secondary

#EDD1C2

accent

#550ADB

background

#FAFCFE

surface

#F4F9FD

border

#CED2D5

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #66BDED

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

Preview Lab → · Contrast checker → · Palette generator →