#66BFDA#66BFDA

#66BFDA is a light, moderate cyan. Relative luminance 0.451; OKLCH L 75.9% C 0.094 H 220.0°. Best body text is #000000 at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#66BFDA
RGB	rgb(102, 191, 218)
HSL	hsl(194, 61%, 63%)
HSV	hsv(194, 53%, 85%)
CMYK	cmyk(53.2%, 12.4%, 0%, 14.5%)
CIE-LAB	lab(72.99, -19.27, -21.69)
CIE-LCH	lch(72.99, 29.02, 228.38°)
OKLab	oklab(75.95% -0.0717 -0.0601)
OKLCH	oklch(75.95% 0.094 220)
XYZ	xyz(36.7603, 45.1451, 73.0927)
Luminance	0.4515 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BFDA #DA8166

analogous

#66DABB #66BFDA #6685DA

triadic

#66BFDA #DA66BF #BFDA66

tetradic

#66BFDA #BB66DA #DA8166 #85DA66

square

#66BFDA #BB66DA #DA8166 #85DA66

split-complementary

#66BFDA #DA6685 #DABB66

monochromatic

#26839F #35AACE #66BFDA #97D4E6 #C9E8F2

Accessibility & contrast

On white

2.09

#66BFDA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.03

#66BFDA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BFDA

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BFDA	#FFFFFF	#000000	##000000
##66BFDA	1.00	2.09	10.03	10.03
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.03	21.00	1.00	1.00
##000000	10.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEBBDB

Deuteranopia (green-blind)

#9DAEDA

Tritanopia (blue-blind)

#05C8C7

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #66bfda;
/* rgb */ color: rgb(102, 191, 218);
/* oklch */ color: oklch(75.9% 0.094 220.0);

Tailwind

colors: {
  custom: {
    50: '#9ad2e5',
    500: '#66bfda',
    950: '#000000',
  },
}

SCSS

$custom: #66bfda;
$custom-light: #9ad2e5;
$custom-dark: #000000;

JSON

{
  "hex": "#66bfda",
  "rgb": {
    "r": 102,
    "g": 191,
    "b": 218
  },
  "hsl": {
    "h": 193.966,
    "s": 61.053,
    "l": 62.745
  },
  "oklch": {
    "l": 0.75947,
    "c": 0.09356,
    "h": 220
  },
  "luminance": 0.45148
}

Semantic roles & 50–950 ramp

primary

#66BFDA

secondary

#E3C3B9

accent

#451DC9

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0F1415

muted

#7E8284

Preview Lab

Preview with #66BFDA

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

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