#66BAF2#66BAF2

#66BAF2 is a light, moderate cyan. Relative luminance 0.444; OKLCH L 75.8% C 0.115 H 239.9°. Best body text is #000000 at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#66BAF2
RGB	rgb(102, 186, 242)
HSL	hsl(204, 84%, 67%)
HSV	hsv(204, 58%, 95%)
CMYK	cmyk(57.9%, 23.1%, 0%, 5.1%)
CIE-LAB	lab(72.46, -9.57, -35.52)
CIE-LCH	lch(72.46, 36.78, 254.93°)
OKLab	oklab(75.82% -0.0578 -0.0995)
OKLCH	oklch(75.82% 0.115 239.9)
XYZ	xyz(39.0594, 44.3498, 90.4892)
Luminance	0.4435 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BAF2 #F29E66

analogous

#66F2E4 #66BAF2 #6674F2

triadic

#66BAF2 #F266BA #BAF266

tetradic

#66BAF2 #E466F2 #F29E66 #74F266

square

#66BAF2 #E466F2 #F29E66 #74F266

split-complementary

#66BAF2 #F26674 #F2E466

monochromatic

#1181CC #2EA1ED #66BAF2 #9ED3F7 #D7EDFC

Accessibility & contrast

On white

2.13

#66BAF2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.87

#66BAF2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BAF2

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BAF2	#FFFFFF	#000000	##000000
##66BAF2	1.00	2.13	9.87	9.87
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.87	21.00	1.00	1.00
##000000	9.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1BAF5

Deuteranopia (green-blind)

#8EABF1

Tritanopia (blue-blind)

#00C8CD

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #66baf2;
/* rgb */ color: rgb(102, 186, 242);
/* oklch */ color: oklch(75.8% 0.115 239.9);

Tailwind

colors: {
  custom: {
    50: '#9ccef6',
    500: '#66baf2',
    950: '#000000',
  },
}

SCSS

$custom: #66baf2;
$custom-light: #9ccef6;
$custom-dark: #000000;

JSON

{
  "hex": "#66baf2",
  "rgb": {
    "r": 102,
    "g": 186,
    "b": 242
  },
  "hsl": {
    "h": 204,
    "s": 84.337,
    "l": 67.451
  },
  "oklch": {
    "l": 0.75824,
    "c": 0.11504,
    "h": 239.9
  },
  "luminance": 0.44353
}

Semantic roles & 50–950 ramp

primary

#66BAF2

secondary

#F0D6C4

accent

#5D05E1

background

#FAFCFF

surface

#F4F9FE

border

#CED2D6

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #66BAF2

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

Preview Lab → · Contrast checker → · Palette generator →