#66B2F4#66B2F4

#66B2F4 is a light, vivid cyan. Relative luminance 0.412; OKLCH L 74.2% C 0.122 H 246.6°. Best body text is #000000 at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#66B2F4
RGB	rgb(102, 178, 244)
HSL	hsl(208, 87%, 68%)
HSV	hsv(208, 58%, 96%)
CMYK	cmyk(58.2%, 27%, 0%, 4.3%)
CIE-LAB	lab(70.31, -4.59, -39.94)
CIE-LCH	lch(70.31, 40.21, 263.45°)
OKLab	oklab(74.15% -0.0486 -0.1123)
OKLCH	oklch(74.15% 0.122 246.6)
XYZ	xyz(37.7230, 41.1938, 91.5337)
Luminance	0.4120 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B2F4 #F4A866

analogous

#66F4EF #66B2F4 #666BF4

triadic

#66B2F4 #F466B2 #B2F466

tetradic

#66B2F4 #EF66F4 #F4A866 #6BF466

square

#66B2F4 #EF66F4 #F4A866 #6BF466

split-complementary

#66B2F4 #F4666B #F4EF66

monochromatic

#0F77D1 #2D95F0 #66B2F4 #9FCFF8 #D8EBFC

Accessibility & contrast

On white

2.27

#66B2F4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.24

#66B2F4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B2F4

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B2F4	#FFFFFF	#000000	##000000
##66B2F4	1.00	2.27	9.24	9.24
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.24	21.00	1.00	1.00
##000000	9.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96B4F7

Deuteranopia (green-blind)

#83A6F3

Tritanopia (blue-blind)

#00C2C9

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #66b2f4;
/* rgb */ color: rgb(102, 178, 244);
/* oklch */ color: oklch(74.2% 0.122 246.6);

Tailwind

colors: {
  custom: {
    50: '#9cc8f8',
    500: '#66b2f4',
    950: '#000000',
  },
}

SCSS

$custom: #66b2f4;
$custom-light: #9cc8f8;
$custom-dark: #000000;

JSON

{
  "hex": "#66b2f4",
  "rgb": {
    "r": 102,
    "g": 178,
    "b": 244
  },
  "hsl": {
    "h": 207.887,
    "s": 86.585,
    "l": 67.843
  },
  "oklch": {
    "l": 0.74152,
    "c": 0.12236,
    "h": 246.6
  },
  "luminance": 0.41197
}

Semantic roles & 50–950 ramp

primary

#66B2F4

secondary

#F1D9C5

accent

#6B02E3

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #66B2F4

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

Preview Lab → · Contrast checker → · Palette generator →