#66A1F2#66A1F2

#66A1F2 is a light, vivid cyan. Relative luminance 0.347; OKLCH L 70.4% C 0.135 H 256.6°. Best body text is #000000 at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#66A1F2
RGB	rgb(102, 161, 242)
HSL	hsl(215, 84%, 67%)
HSV	hsv(215, 58%, 95%)
CMYK	cmyk(57.9%, 33.5%, 0%, 5.1%)
CIE-LAB	lab(65.53, 4.36, -46.35)
CIE-LCH	lch(65.53, 46.55, 275.37°)
OKLab	oklab(70.37% -0.0311 -0.131)
OKLCH	oklch(70.37% 0.135 256.6)
XYZ	xyz(34.2457, 34.7224, 88.8846)
Luminance	0.3473 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A1F2 #F2B766

analogous

#66E7F2 #66A1F2 #7166F2

triadic

#66A1F2 #F266A1 #A1F266

tetradic

#66A1F2 #F266E7 #F2B766 #66F271

square

#66A1F2 #F266E7 #F2B766 #66F271

split-complementary

#66A1F2 #F27166 #E7F266

monochromatic

#1160CC #2E7EED #66A1F2 #9EC4F7 #D7E6FC

Accessibility & contrast

On white

2.64

#66A1F2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.94

#66A1F2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A1F2

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A1F2	#FFFFFF	#000000	##000000
##66A1F2	1.00	2.64	7.94	7.94
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.94	21.00	1.00	1.00
##000000	7.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7FA6F5

Deuteranopia (green-blind)

#6D99F0

Tritanopia (blue-blind)

#00B3BE

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #66a1f2;
/* rgb */ color: rgb(102, 161, 242);
/* oklch */ color: oklch(70.4% 0.135 256.6);

Tailwind

colors: {
  custom: {
    50: '#9cbcf6',
    500: '#66a1f2',
    950: '#000000',
  },
}

SCSS

$custom: #66a1f2;
$custom-light: #9cbcf6;
$custom-dark: #000000;

JSON

{
  "hex": "#66a1f2",
  "rgb": {
    "r": 102,
    "g": 161,
    "b": 242
  },
  "hsl": {
    "h": 214.714,
    "s": 84.337,
    "l": 67.451
  },
  "oklch": {
    "l": 0.70373,
    "c": 0.13464,
    "h": 256.6
  },
  "luminance": 0.34725
}

Semantic roles & 50–950 ramp

primary

#66A1F2

secondary

#F0DDC4

accent

#8405E1

background

#FAFBFF

surface

#F4F6FE

border

#CED0D6

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #66A1F2

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

Preview Lab → · Contrast checker → · Palette generator →