#66BAEC#66BAEC

#66BAEC is a light, moderate cyan. Relative luminance 0.440; OKLCH L 75.6% C 0.109 H 236.8°. Best body text is #000000 at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#66BAEC
RGB	rgb(102, 186, 236)
HSL	hsl(202, 78%, 66%)
HSV	hsv(202, 57%, 93%)
CMYK	cmyk(56.8%, 21.2%, 0%, 7.5%)
CIE-LAB	lab(72.23, -11.38, -32.63)
CIE-LCH	lch(72.23, 34.56, 250.77°)
OKLab	oklab(75.56% -0.0597 -0.0912)
OKLCH	oklch(75.56% 0.109 236.8)
XYZ	xyz(38.1731, 43.9952, 85.8209)
Luminance	0.4400 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BAEC #EC9866

analogous

#66ECDB #66BAEC #6677EC

triadic

#66BAEC #EC66BA #BAEC66

tetradic

#66BAEC #DB66EC #EC9866 #77EC66

square

#66BAEC #DB66EC #EC9866 #77EC66

split-complementary

#66BAEC #EC6677 #ECDB66

monochromatic

#1881C0 #30A1E5 #66BAEC #9CD3F3 #D3EBFA

Accessibility & contrast

On white

2.14

#66BAEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.80

#66BAEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BAEC

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BAEC	#FFFFFF	#000000	##000000
##66BAEC	1.00	2.14	9.80	9.80
#FFFFFF	2.14	1.00	21.00	21.00
#000000	9.80	21.00	1.00	1.00
##000000	9.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3B9EE

Deuteranopia (green-blind)

#90ABEB

Tritanopia (blue-blind)

#00C7CB

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #66baec;
/* rgb */ color: rgb(102, 186, 236);
/* oklch */ color: oklch(75.6% 0.109 236.8);

Tailwind

colors: {
  custom: {
    50: '#9bcef2',
    500: '#66baec',
    950: '#000000',
  },
}

SCSS

$custom: #66baec;
$custom-light: #9bcef2;
$custom-dark: #000000;

JSON

{
  "hex": "#66baec",
  "rgb": {
    "r": 102,
    "g": 186,
    "b": 236
  },
  "hsl": {
    "h": 202.388,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.75558,
    "c": 0.10903,
    "h": 236.8
  },
  "luminance": 0.43999
}

Semantic roles & 50–950 ramp

primary

#66BAEC

secondary

#EDD1C1

accent

#590BDA

background

#FAFCFE

surface

#F4F9FD

border

#CED2D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #66BAEC

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

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