#66BAE6#66BAE6

#66BAE6 is a light, moderate cyan. Relative luminance 0.437; OKLCH L 75.3% C 0.103 H 233.3°. Best body text is #000000 at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#66BAE6
RGB	rgb(102, 186, 230)
HSL	hsl(201, 72%, 65%)
HSV	hsv(201, 56%, 90%)
CMYK	cmyk(55.7%, 19.1%, 0%, 9.8%)
CIE-LAB	lab(72.00, -13.17, -29.73)
CIE-LCH	lch(72.00, 32.52, 246.10°)
OKLab	oklab(75.3% -0.0618 -0.0829)
OKLCH	oklch(75.3% 0.103 233.3)
XYZ	xyz(37.3160, 43.6524, 81.3068)
Luminance	0.4366 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BAE6 #E69266

analogous

#66E6D2 #66BAE6 #667AE6

triadic

#66BAE6 #E666BA #BAE666

tetradic

#66BAE6 #D266E6 #E69266 #7AE666

square

#66BAE6 #D266E6 #E69266 #7AE666

split-complementary

#66BAE6 #E6667A #E6D266

monochromatic

#1D80B4 #31A2DD #66BAE6 #9BD2EF #CFE9F7

Accessibility & contrast

On white

2.16

#66BAE6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.73

#66BAE6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BAE6

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BAE6	#FFFFFF	#000000	##000000
##66BAE6	1.00	2.16	9.73	9.73
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.73	21.00	1.00	1.00
##000000	9.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B8E8

Deuteranopia (green-blind)

#93ABE5

Tritanopia (blue-blind)

#00C6C8

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #66bae6;
/* rgb */ color: rgb(102, 186, 230);
/* oklch */ color: oklch(75.3% 0.103 233.3);

Tailwind

colors: {
  custom: {
    50: '#9bceee',
    500: '#66bae6',
    950: '#000000',
  },
}

SCSS

$custom: #66bae6;
$custom-light: #9bceee;
$custom-dark: #000000;

JSON

{
  "hex": "#66bae6",
  "rgb": {
    "r": 102,
    "g": 186,
    "b": 230
  },
  "hsl": {
    "h": 200.625,
    "s": 71.91,
    "l": 65.098
  },
  "oklch": {
    "l": 0.753,
    "c": 0.10341,
    "h": 233.3
  },
  "luminance": 0.43656
}

Semantic roles & 50–950 ramp

primary

#66BAE6

secondary

#EACDBE

accent

#5412D4

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1316

muted

#7F8284

Preview Lab

Preview with #66BAE6

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

Preview Lab → · Contrast checker → · Palette generator →