#66B2F2#66B2F2

#66B2F2 is a light, vivid cyan. Relative luminance 0.411; OKLCH L 74.1% C 0.120 H 245.8°. Best body text is #000000 at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#66B2F2
RGB	rgb(102, 178, 242)
HSL	hsl(207, 84%, 67%)
HSV	hsv(207, 58%, 95%)
CMYK	cmyk(57.9%, 26.4%, 0%, 5.1%)
CIE-LAB	lab(70.23, -5.21, -38.99)
CIE-LCH	lch(70.23, 39.34, 262.39°)
OKLab	oklab(74.06% -0.0492 -0.1095)
OKLCH	oklch(74.06% 0.12 245.8)
XYZ	xyz(37.4210, 41.0730, 89.9430)
Luminance	0.4108 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B2F2 #F2A666

analogous

#66F2EC #66B2F2 #666CF2

triadic

#66B2F2 #F266B2 #B2F266

tetradic

#66B2F2 #EC66F2 #F2A666 #6CF266

square

#66B2F2 #EC66F2 #F2A666 #6CF266

split-complementary

#66B2F2 #F2666C #F2EC66

monochromatic

#1177CC #2E96ED #66B2F2 #9ECEF7 #D7EBFC

Accessibility & contrast

On white

2.28

#66B2F2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.22

#66B2F2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B2F2

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B2F2	#FFFFFF	#000000	##000000
##66B2F2	1.00	2.28	9.22	9.22
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.22	21.00	1.00	1.00
##000000	9.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96B3F5

Deuteranopia (green-blind)

#84A5F1

Tritanopia (blue-blind)

#00C1C8

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #66b2f2;
/* rgb */ color: rgb(102, 178, 242);
/* oklch */ color: oklch(74.1% 0.120 245.8);

Tailwind

colors: {
  custom: {
    50: '#9cc8f6',
    500: '#66b2f2',
    950: '#000000',
  },
}

SCSS

$custom: #66b2f2;
$custom-light: #9cc8f6;
$custom-dark: #000000;

JSON

{
  "hex": "#66b2f2",
  "rgb": {
    "r": 102,
    "g": 178,
    "b": 242
  },
  "hsl": {
    "h": 207.429,
    "s": 84.337,
    "l": 67.451
  },
  "oklch": {
    "l": 0.74058,
    "c": 0.12009,
    "h": 245.8
  },
  "luminance": 0.41076
}

Semantic roles & 50–950 ramp

primary

#66B2F2

secondary

#F0D8C4

accent

#6905E1

background

#FAFCFF

surface

#F4F8FE

border

#CED1D6

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #66B2F2

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

Preview Lab → · Contrast checker → · Palette generator →