#66C2E7#66C2E7

#66C2E7 is a light, moderate cyan. Relative luminance 0.472; OKLCH L 77.1% C 0.102 H 226.7°. Best body text is #000000 at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#66C2E7
RGB	rgb(102, 194, 231)
HSL	hsl(197, 73%, 65%)
HSV	hsv(197, 56%, 91%)
CMYK	cmyk(55.8%, 16%, 0%, 9.4%)
CIE-LAB	lab(74.30, -17.08, -26.73)
CIE-LCH	lch(74.30, 31.72, 237.42°)
OKLab	oklab(77.15% -0.0702 -0.0744)
OKLCH	oklch(77.15% 0.102 226.7)
XYZ	xyz(39.1895, 47.1743, 82.6261)
Luminance	0.4718 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C2E7 #E78B66

analogous

#66E7CB #66C2E7 #6682E7

triadic

#66C2E7 #E766C2 #C2E766

tetradic

#66C2E7 #CB66E7 #E78B66 #82E766

square

#66C2E7 #CB66E7 #E78B66 #82E766

split-complementary

#66C2E7 #E76682 #E7CB66

monochromatic

#1D8AB6 #31ADDF #66C2E7 #9BD7EF #D0ECF8

Accessibility & contrast

On white

2.01

#66C2E7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.44

#66C2E7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C2E7

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C2E7	#FFFFFF	#000000	##000000
##66C2E7	1.00	2.01	10.44	10.44
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.44	21.00	1.00	1.00
##000000	10.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEBFE9

Deuteranopia (green-blind)

#9CB1E7

Tritanopia (blue-blind)

#00CDCE

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #66c2e7;
/* rgb */ color: rgb(102, 194, 231);
/* oklch */ color: oklch(77.1% 0.102 226.7);

Tailwind

colors: {
  custom: {
    50: '#9bd4ee',
    500: '#66c2e7',
    950: '#000000',
  },
}

SCSS

$custom: #66c2e7;
$custom-light: #9bd4ee;
$custom-dark: #000000;

JSON

{
  "hex": "#66c2e7",
  "rgb": {
    "r": 102,
    "g": 194,
    "b": 231
  },
  "hsl": {
    "h": 197.209,
    "s": 72.881,
    "l": 65.294
  },
  "oklch": {
    "l": 0.77147,
    "c": 0.10223,
    "h": 226.7
  },
  "luminance": 0.47178
}

Semantic roles & 50–950 ramp

primary

#66C2E7

secondary

#EACBBF

accent

#4911D5

background

#FAFDFE

surface

#F3FAFD

border

#CDD3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #66C2E7

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

Preview Lab → · Contrast checker → · Palette generator →