#66B2F7#66B2F7

#66B2F7 is a light, vivid cyan. Relative luminance 0.414; OKLCH L 74.3% C 0.126 H 247.7°. Best body text is #000000 at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#66B2F7
RGB	rgb(102, 178, 247)
HSL	hsl(209, 90%, 68%)
HSV	hsv(209, 59%, 97%)
CMYK	cmyk(58.7%, 27.9%, 0%, 3.1%)
CIE-LAB	lab(70.44, -3.65, -41.37)
CIE-LCH	lch(70.44, 41.53, 264.95°)
OKLab	oklab(74.3% -0.0477 -0.1164)
OKLCH	oklch(74.3% 0.126 247.7)
XYZ	xyz(38.1823, 41.3775, 93.9521)
Luminance	0.4138 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B2F7 #F7AB66

analogous

#66F7F4 #66B2F7 #6669F7

triadic

#66B2F7 #F766B2 #B2F766

tetradic

#66B2F7 #F466F7 #F7AB66 #69F766

square

#66B2F7 #F466F7 #F7AB66 #69F766

split-complementary

#66B2F7 #F76669 #F7F466

monochromatic

#0B76D7 #2C95F4 #66B2F7 #A0CFFA #DAEDFD

Accessibility & contrast

On white

2.26

#66B2F7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.28

#66B2F7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B2F7

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B2F7	#FFFFFF	#000000	##000000
##66B2F7	1.00	2.26	9.28	9.28
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.28	21.00	1.00	1.00
##000000	9.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94B4FA

Deuteranopia (green-blind)

#81A6F6

Tritanopia (blue-blind)

#00C2CA

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #66b2f7;
/* rgb */ color: rgb(102, 178, 247);
/* oklch */ color: oklch(74.3% 0.126 247.7);

Tailwind

colors: {
  custom: {
    50: '#9cc8fa',
    500: '#66b2f7',
    950: '#000000',
  },
}

SCSS

$custom: #66b2f7;
$custom-light: #9cc8fa;
$custom-dark: #000000;

JSON

{
  "hex": "#66b2f7",
  "rgb": {
    "r": 102,
    "g": 178,
    "b": 247
  },
  "hsl": {
    "h": 208.552,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.74295,
    "c": 0.12582,
    "h": 247.7
  },
  "luminance": 0.41381
}

Semantic roles & 50–950 ramp

primary

#66B2F7

secondary

#F2DBC7

accent

#6D00E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #66B2F7

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

Preview Lab → · Contrast checker → · Palette generator →