#66BBED#66BBED

#66BBED is a light, moderate cyan. Relative luminance 0.445; OKLCH L 75.8% C 0.110 H 236.5°. Best body text is #000000 at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#66BBED
RGB	rgb(102, 187, 237)
HSL	hsl(202, 79%, 66%)
HSV	hsv(202, 57%, 93%)
CMYK	cmyk(57%, 21.1%, 0%, 7.1%)
CIE-LAB	lab(72.55, -11.62, -32.68)
CIE-LCH	lch(72.55, 34.68, 250.43°)
OKLab	oklab(75.83% -0.0605 -0.0913)
OKLCH	oklch(75.83% 0.11 236.5)
XYZ	xyz(38.5301, 44.4763, 86.6586)
Luminance	0.4448 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BBED #ED9866

analogous

#66EDDB #66BBED #6678ED

triadic

#66BBED #ED66BB #BBED66

tetradic

#66BBED #DB66ED #ED9866 #78ED66

square

#66BBED #DB66ED #ED9866 #78ED66

split-complementary

#66BBED #ED6678 #EDDB66

monochromatic

#1782C2 #2FA3E7 #66BBED #9DD3F3 #D4ECFA

Accessibility & contrast

On white

2.12

#66BBED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.90

#66BBED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BBED

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BBED	#FFFFFF	#000000	##000000
##66BBED	1.00	2.12	9.90	9.90
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.90	21.00	1.00	1.00
##000000	9.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4BAEF

Deuteranopia (green-blind)

#91ACEC

Tritanopia (blue-blind)

#00C8CC

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #66bbed;
/* rgb */ color: rgb(102, 187, 237);
/* oklch */ color: oklch(75.8% 0.110 236.5);

Tailwind

colors: {
  custom: {
    50: '#9bcff3',
    500: '#66bbed',
    950: '#000000',
  },
}

SCSS

$custom: #66bbed;
$custom-light: #9bcff3;
$custom-dark: #000000;

JSON

{
  "hex": "#66bbed",
  "rgb": {
    "r": 102,
    "g": 187,
    "b": 237
  },
  "hsl": {
    "h": 202.222,
    "s": 78.947,
    "l": 66.471
  },
  "oklch": {
    "l": 0.75825,
    "c": 0.10955,
    "h": 236.5
  },
  "luminance": 0.4448
}

Semantic roles & 50–950 ramp

primary

#66BBED

secondary

#EDD2C2

accent

#580ADB

background

#FAFCFE

surface

#F4F9FD

border

#CED2D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #66BBED

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

Preview Lab → · Contrast checker → · Palette generator →