#66BAF9#66BAF9

#66BAF9 is a light, vivid cyan. Relative luminance 0.448; OKLCH L 76.1% C 0.122 H 243.0°. Best body text is #000000 at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#66BAF9
RGB	rgb(102, 186, 249)
HSL	hsl(206, 92%, 69%)
HSV	hsv(206, 59%, 98%)
CMYK	cmyk(59%, 25.3%, 0%, 2.4%)
CIE-LAB	lab(72.75, -7.42, -38.86)
CIE-LCH	lch(72.75, 39.56, 259.19°)
OKLab	oklab(76.14% -0.0555 -0.1091)
OKLCH	oklch(76.14% 0.122 243)
XYZ	xyz(40.1309, 44.7784, 96.1324)
Luminance	0.4478 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BAF9 #F9A566

analogous

#66F9EE #66BAF9 #6671F9

triadic

#66BAF9 #F966BA #BAF966

tetradic

#66BAF9 #EE66F9 #F9A566 #71F966

square

#66BAF9 #EE66F9 #F9A566 #71F966

split-complementary

#66BAF9 #F96671 #F9EE66

monochromatic

#0981DC #2B9FF7 #66BAF9 #A1D5FB #DCEFFE

Accessibility & contrast

On white

2.11

#66BAF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.96

#66BAF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BAF9

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BAF9	#FFFFFF	#000000	##000000
##66BAF9	1.00	2.11	9.96	9.96
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.96	21.00	1.00	1.00
##000000	9.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EBBFC

Deuteranopia (green-blind)

#8AACF8

Tritanopia (blue-blind)

#00C9D0

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #66baf9;
/* rgb */ color: rgb(102, 186, 249);
/* oklch */ color: oklch(76.1% 0.122 243.0);

Tailwind

colors: {
  custom: {
    50: '#9dcefb',
    500: '#66baf9',
    950: '#000000',
  },
}

SCSS

$custom: #66baf9;
$custom-light: #9dcefb;
$custom-dark: #000000;

JSON

{
  "hex": "#66baf9",
  "rgb": {
    "r": 102,
    "g": 186,
    "b": 249
  },
  "hsl": {
    "h": 205.714,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.76142,
    "c": 0.12242,
    "h": 243
  },
  "luminance": 0.44782
}

Semantic roles & 50–950 ramp

primary

#66BAF9

secondary

#F3DAC8

accent

#6200E6

background

#FAFCFF

surface

#F4F9FF

border

#CED2D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #66BAF9

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

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