#66AFBE#66AFBE

#66AFBE is a light, moderate cyan. Relative luminance 0.372; OKLCH L 71.2% C 0.076 H 212.3°. Best body text is #000000 at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#66AFBE
RGB	rgb(102, 175, 190)
HSL	hsl(190, 40%, 57%)
HSV	hsv(190, 46%, 75%)
CMYK	cmyk(46.3%, 7.9%, 0%, 25.5%)
CIE-LAB	lab(67.43, -18.79, -14.76)
CIE-LCH	lch(67.43, 23.89, 218.16°)
OKLab	oklab(71.19% -0.0643 -0.0407)
OKLCH	oklch(71.19% 0.076 212.3)
XYZ	xyz(30.1002, 37.2001, 54.2994)
Luminance	0.3720 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AFBE #BE7566

analogous

#66BEA1 #66AFBE #6683BE

triadic

#66AFBE #BE66AF #AFBE66

tetradic

#66AFBE #A166BE #BE7566 #83BE66

square

#66AFBE #A166BE #BE7566 #83BE66

split-complementary

#66AFBE #BE6683 #BEA166

monochromatic

#336B77 #4592A2 #66AFBE #91C5D0 #BCDCE2

Accessibility & contrast

On white

2.49

#66AFBE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.44

#66AFBE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AFBE

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AFBE	#FFFFFF	#000000	##000000
##66AFBE	1.00	2.49	8.44	8.44
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.44	21.00	1.00	1.00
##000000	8.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3AABF

Deuteranopia (green-blind)

#95A0BE

Tritanopia (blue-blind)

#3AB5B3

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #66afbe;
/* rgb */ color: rgb(102, 175, 190);
/* oklch */ color: oklch(71.2% 0.076 212.3);

Tailwind

colors: {
  custom: {
    50: '#97c7d1',
    500: '#66afbe',
    950: '#000000',
  },
}

SCSS

$custom: #66afbe;
$custom-light: #97c7d1;
$custom-dark: #000000;

JSON

{
  "hex": "#66afbe",
  "rgb": {
    "r": 102,
    "g": 175,
    "b": 190
  },
  "hsl": {
    "h": 190.227,
    "s": 40.367,
    "l": 57.255
  },
  "oklch": {
    "l": 0.71191,
    "c": 0.07608,
    "h": 212.3
  },
  "luminance": 0.37202
}

Semantic roles & 50–950 ramp

primary

#66AFBE

secondary

#D2B4AE

accent

#6C58D0

background

#F9FCFC

surface

#F2F8F9

border

#CCD1D2

text

#0E1314

muted

#7E8282

Preview Lab

Preview with #66AFBE

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

Preview Lab → · Contrast checker → · Palette generator →