#66A2EF#66A2EF

#66A2EF is a light, vivid cyan. Relative luminance 0.349; OKLCH L 70.4% C 0.130 H 255.3°. Best body text is #000000 at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#66A2EF
RGB	rgb(102, 162, 239)
HSL	hsl(214, 81%, 67%)
HSV	hsv(214, 57%, 94%)
CMYK	cmyk(57.3%, 32.2%, 0%, 6.3%)
CIE-LAB	lab(65.67, 2.84, -44.49)
CIE-LCH	lch(65.67, 44.58, 273.65°)
OKLab	oklab(70.43% -0.033 -0.1256)
OKLCH	oklch(70.43% 0.13 255.3)
XYZ	xyz(33.9743, 34.8945, 86.5896)
Luminance	0.3490 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A2EF #EFB366

analogous

#66E6EF #66A2EF #6F66EF

triadic

#66A2EF #EF66A2 #A2EF66

tetradic

#66A2EF #EF66E6 #EFB366 #66EF6F

square

#66A2EF #EF66E6 #EFB366 #66EF6F

split-complementary

#66A2EF #EF6F66 #E6EF66

monochromatic

#1562C6 #2F80E9 #66A2EF #9DC4F5 #D5E5FB

Accessibility & contrast

On white

2.63

#66A2EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.98

#66A2EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A2EF

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A2EF	#FFFFFF	#000000	##000000
##66A2EF	1.00	2.63	7.98	7.98
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.98	21.00	1.00	1.00
##000000	7.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82A7F2

Deuteranopia (green-blind)

#709AED

Tritanopia (blue-blind)

#00B3BE

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #66a2ef;
/* rgb */ color: rgb(102, 162, 239);
/* oklch */ color: oklch(70.4% 0.130 255.3);

Tailwind

colors: {
  custom: {
    50: '#9bbdf4',
    500: '#66a2ef',
    950: '#000000',
  },
}

SCSS

$custom: #66a2ef;
$custom-light: #9bbdf4;
$custom-dark: #000000;

JSON

{
  "hex": "#66a2ef",
  "rgb": {
    "r": 102,
    "g": 162,
    "b": 239
  },
  "hsl": {
    "h": 213.723,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.70433,
    "c": 0.12984,
    "h": 255.3
  },
  "luminance": 0.34897
}

Semantic roles & 50–950 ramp

primary

#66A2EF

secondary

#EEDBC2

accent

#8008DD

background

#FAFBFE

surface

#F4F6FD

border

#CED0D5

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #66A2EF

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

Preview Lab → · Contrast checker → · Palette generator →