#66ACEA#66ACEA

#66ACEA is a light, moderate cyan. Relative luminance 0.383; OKLCH L 72.4% C 0.115 H 246.9°. Best body text is #000000 at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#66ACEA
RGB	rgb(102, 172, 234)
HSL	hsl(208, 76%, 66%)
HSV	hsv(208, 56%, 92%)
CMYK	cmyk(56.4%, 26.5%, 0%, 8.2%)
CIE-LAB	lab(68.22, -4.36, -37.76)
CIE-LCH	lch(68.22, 38.01, 263.42°)
OKLab	oklab(72.36% -0.0452 -0.106)
OKLCH	oklch(72.36% 0.115 246.9)
XYZ	xyz(35.0779, 38.2673, 83.3637)
Luminance	0.3827 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ACEA #EAA466

analogous

#66EAE6 #66ACEA #666AEA

triadic

#66ACEA #EA66AC #ACEA66

tetradic

#66ACEA #E666EA #EAA466 #6AEA66

square

#66ACEA #E666EA #EAA466 #6AEA66

split-complementary

#66ACEA #EA666A #EAE666

monochromatic

#1A70BC #308FE3 #66ACEA #9CC9F1 #D2E6F9

Accessibility & contrast

On white

2.43

#66ACEA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.65

#66ACEA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ACEA

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ACEA	#FFFFFF	#000000	##000000
##66ACEA	1.00	2.43	8.65	8.65
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.65	21.00	1.00	1.00
##000000	8.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92AEED

Deuteranopia (green-blind)

#80A0E9

Tritanopia (blue-blind)

#00BBC1

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #66acea;
/* rgb */ color: rgb(102, 172, 234);
/* oklch */ color: oklch(72.4% 0.115 246.9);

Tailwind

colors: {
  custom: {
    50: '#9bc4f1',
    500: '#66acea',
    950: '#000000',
  },
}

SCSS

$custom: #66acea;
$custom-light: #9bc4f1;
$custom-dark: #000000;

JSON

{
  "hex": "#66acea",
  "rgb": {
    "r": 102,
    "g": 172,
    "b": 234
  },
  "hsl": {
    "h": 208.182,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.72362,
    "c": 0.11526,
    "h": 246.9
  },
  "luminance": 0.3827
}

Semantic roles & 50–950 ramp

primary

#66ACEA

secondary

#ECD5C0

accent

#6D0DD8

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1216

muted

#7F8184

Preview Lab

Preview with #66ACEA

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

Preview Lab → · Contrast checker → · Palette generator →