#66B2CA#66B2CA

#66B2CA is a light, moderate cyan. Relative luminance 0.389; OKLCH L 72.3% C 0.083 H 220.5°. Best body text is #000000 at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#66B2CA
RGB	rgb(102, 178, 202)
HSL	hsl(194, 49%, 60%)
HSV	hsv(194, 50%, 79%)
CMYK	cmyk(49.5%, 11.9%, 0%, 20.8%)
CIE-LAB	lab(68.70, -17.04, -19.46)
CIE-LCH	lch(68.70, 25.87, 228.80°)
OKLab	oklab(72.34% -0.0631 -0.0538)
OKLCH	oklch(72.34% 0.083 220.5)
XYZ	xyz(32.0565, 38.9272, 61.6901)
Luminance	0.3893 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B2CA #CA7E66

analogous

#66CAB0 #66B2CA #6680CA

triadic

#66B2CA #CA66B2 #B2CA66

tetradic

#66B2CA #B066CA #CA7E66 #80CA66

square

#66B2CA #B066CA #CA7E66 #80CA66

split-complementary

#66B2CA #CA6680 #CAB066

monochromatic

#2F7287 #3E98B4 #66B2CA #93C9DA #C1E0E9

Accessibility & contrast

On white

2.39

#66B2CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.79

#66B2CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B2CA

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B2CA	#FFFFFF	#000000	##000000
##66B2CA	1.00	2.39	8.79	8.79
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.79	21.00	1.00	1.00
##000000	8.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3AECB

Deuteranopia (green-blind)

#94A3CA

Tritanopia (blue-blind)

#2EBAB9

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #66b2ca;
/* rgb */ color: rgb(102, 178, 202);
/* oklch */ color: oklch(72.3% 0.083 220.5);

Tailwind

colors: {
  custom: {
    50: '#98c9da',
    500: '#66b2ca',
    950: '#000000',
  },
}

SCSS

$custom: #66b2ca;
$custom-light: #98c9da;
$custom-dark: #000000;

JSON

{
  "hex": "#66b2ca",
  "rgb": {
    "r": 102,
    "g": 178,
    "b": 202
  },
  "hsl": {
    "h": 194.4,
    "s": 48.544,
    "l": 59.608
  },
  "oklch": {
    "l": 0.7234,
    "c": 0.08293,
    "h": 220.5
  },
  "luminance": 0.3893
}

Semantic roles & 50–950 ramp

primary

#66B2CA

secondary

#D9BCB2

accent

#7050D8

background

#F9FCFD

surface

#F2F8FA

border

#CCD1D3

text

#0E1314

muted

#7E8283

Preview Lab

Preview with #66B2CA

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

Preview Lab → · Contrast checker → · Palette generator →