#66A0BE#66A0BE

#66A0BE is a light, moderate cyan. Relative luminance 0.317; OKLCH L 67.7% C 0.075 H 231.9°. Best body text is #000000 at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#66A0BE
RGB	rgb(102, 160, 190)
HSL	hsl(200, 40%, 57%)
HSV	hsv(200, 46%, 75%)
CMYK	cmyk(46.3%, 15.8%, 0%, 25.5%)
CIE-LAB	lab(63.08, -10.80, -21.36)
CIE-LCH	lch(63.08, 23.93, 243.18°)
OKLab	oklab(67.73% -0.0463 -0.0591)
OKLCH	oklch(67.73% 0.075 231.9)
XYZ	xyz(27.3413, 31.6821, 53.3797)
Luminance	0.3168 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A0BE #BE8466

analogous

#66BEB0 #66A0BE #6674BE

triadic

#66A0BE #BE66A0 #A0BE66

tetradic

#66A0BE #B066BE #BE8466 #74BE66

square

#66A0BE #B066BE #BE8466 #74BE66

split-complementary

#66A0BE #BE6674 #BEB066

monochromatic

#336077 #4582A2 #66A0BE #91BBD0 #BCD5E2

Accessibility & contrast

On white

2.86

#66A0BE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.34

#66A0BE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A0BE

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A0BE	#FFFFFF	#000000	##000000
##66A0BE	1.00	2.86	7.34	7.34
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.34	21.00	1.00	1.00
##000000	7.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#919EC0

Deuteranopia (green-blind)

#8594BE

Tritanopia (blue-blind)

#3EA8AA

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #66a0be;
/* rgb */ color: rgb(102, 160, 190);
/* oklch */ color: oklch(67.7% 0.075 231.9);

Tailwind

colors: {
  custom: {
    50: '#96bcd1',
    500: '#66a0be',
    950: '#000000',
  },
}

SCSS

$custom: #66a0be;
$custom-light: #96bcd1;
$custom-dark: #000000;

JSON

{
  "hex": "#66a0be",
  "rgb": {
    "r": 102,
    "g": 160,
    "b": 190
  },
  "hsl": {
    "h": 200.455,
    "s": 40.367,
    "l": 57.255
  },
  "oklch": {
    "l": 0.67728,
    "c": 0.07509,
    "h": 231.9
  },
  "luminance": 0.31684
}

Semantic roles & 50–950 ramp

primary

#66A0BE

secondary

#D2BAAE

accent

#8158D0

background

#F9FBFC

surface

#F2F6F9

border

#CCD0D2

text

#0E1214

muted

#7E8182

Preview Lab

Preview with #66A0BE

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

Preview Lab → · Contrast checker → · Palette generator →