#66A0DA#66A0DA

#66A0DA is a light, moderate cyan. Relative luminance 0.330; OKLCH L 69.0% C 0.105 H 249.6°. Best body text is #000000 at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#66A0DA
RGB	rgb(102, 160, 218)
HSL	hsl(210, 61%, 63%)
HSV	hsv(210, 53%, 85%)
CMYK	cmyk(53.2%, 26.6%, 0%, 14.5%)
CIE-LAB	lab(64.18, -2.55, -35.25)
CIE-LCH	lch(64.18, 35.34, 265.86°)
OKLab	oklab(68.96% -0.0368 -0.0988)
OKLCH	oklch(68.96% 0.105 249.6)
XYZ	xyz(30.7007, 33.0259, 71.0729)
Luminance	0.3303 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A0DA #DAA066

analogous

#66DADA #66A0DA #6666DA

triadic

#66A0DA #DA66A0 #A0DA66

tetradic

#66A0DA #DA66DA #DAA066 #66DA66

square

#66A0DA #DA66DA #DAA066 #66DA66

split-complementary

#66A0DA #DA6666 #DADA66

monochromatic

#26639F #3581CE #66A0DA #97BFE6 #C9DDF2

Accessibility & contrast

On white

2.76

#66A0DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.61

#66A0DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A0DA

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A0DA	#FFFFFF	#000000	##000000
##66A0DA	1.00	2.76	7.61	7.61
#FFFFFF	2.76	1.00	21.00	21.00
#000000	7.61	21.00	1.00	1.00
##000000	7.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#88A2DD

Deuteranopia (green-blind)

#7996D9

Tritanopia (blue-blind)

#20ADB4

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #66a0da;
/* rgb */ color: rgb(102, 160, 218);
/* oklch */ color: oklch(69.0% 0.105 249.6);

Tailwind

colors: {
  custom: {
    50: '#99bbe5',
    500: '#66a0da',
    950: '#000000',
  },
}

SCSS

$custom: #66a0da;
$custom-light: #99bbe5;
$custom-dark: #000000;

JSON

{
  "hex": "#66a0da",
  "rgb": {
    "r": 102,
    "g": 160,
    "b": 218
  },
  "hsl": {
    "h": 210,
    "s": 61.053,
    "l": 62.745
  },
  "oklch": {
    "l": 0.68963,
    "c": 0.10543,
    "h": 249.6
  },
  "luminance": 0.33028
}

Semantic roles & 50–950 ramp

primary

#66A0DA

secondary

#E3CEB9

accent

#731DC9

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #66A0DA

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

Preview Lab → · Contrast checker → · Palette generator →