#66ACCA#66ACCA

#66ACCA is a light, moderate cyan. Relative luminance 0.366; OKLCH L 71.0% C 0.083 H 227.5°. Best body text is #000000 at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#66ACCA
RGB	rgb(102, 172, 202)
HSL	hsl(198, 49%, 60%)
HSV	hsv(198, 50%, 79%)
CMYK	cmyk(49.5%, 14.9%, 0%, 20.8%)
CIE-LAB	lab(66.97, -13.87, -22.09)
CIE-LCH	lch(66.97, 26.08, 237.89°)
OKLab	oklab(70.96% -0.0561 -0.0612)
OKLCH	oklch(70.96% 0.083 227.5)
XYZ	xyz(30.8888, 36.5916, 61.3008)
Luminance	0.3659 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ACCA #CA8466

analogous

#66CAB6 #66ACCA #667ACA

triadic

#66ACCA #CA66AC #ACCA66

tetradic

#66ACCA #B666CA #CA8466 #7ACA66

square

#66ACCA #B666CA #CA8466 #7ACA66

split-complementary

#66ACCA #CA667A #CAB666

monochromatic

#2F6C87 #3E91B4 #66ACCA #93C5DA #C1DDE9

Accessibility & contrast

On white

2.52

#66ACCA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.32

#66ACCA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ACCA

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ACCA	#FFFFFF	#000000	##000000
##66ACCA	1.00	2.52	8.32	8.32
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.32	21.00	1.00	1.00
##000000	8.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CA9CC

Deuteranopia (green-blind)

#8E9ECA

Tritanopia (blue-blind)

#30B5B6

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #66acca;
/* rgb */ color: rgb(102, 172, 202);
/* oklch */ color: oklch(71.0% 0.083 227.5);

Tailwind

colors: {
  custom: {
    50: '#98c4da',
    500: '#66acca',
    950: '#000000',
  },
}

SCSS

$custom: #66acca;
$custom-light: #98c4da;
$custom-dark: #000000;

JSON

{
  "hex": "#66acca",
  "rgb": {
    "r": 102,
    "g": 172,
    "b": 202
  },
  "hsl": {
    "h": 198,
    "s": 48.544,
    "l": 59.608
  },
  "oklch": {
    "l": 0.70962,
    "c": 0.08305,
    "h": 227.5
  },
  "luminance": 0.36594
}

Semantic roles & 50–950 ramp

primary

#66ACCA

secondary

#D9BEB2

accent

#7950D8

background

#F9FCFD

surface

#F2F8FA

border

#CCD1D3

text

#0E1214

muted

#7E8183

Preview Lab

Preview with #66ACCA

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

Preview Lab → · Contrast checker → · Palette generator →