#66CBFE#66CBFE

#66CBFE is a light, moderate cyan. Relative luminance 0.527; OKLCH L 80.1% C 0.119 H 232.9°. Best body text is #000000 at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#66CBFE
RGB	rgb(102, 203, 254)
HSL	hsl(200, 99%, 70%)
HSV	hsv(200, 60%, 100%)
CMYK	cmyk(59.8%, 20.1%, 0%, 0.4%)
CIE-LAB	lab(77.69, -14.96, -33.88)
CIE-LCH	lch(77.69, 37.03, 246.18°)
OKLab	oklab(80.13% -0.0716 -0.0947)
OKLCH	oklch(80.13% 0.119 232.9)
XYZ	xyz(44.7179, 52.6880, 101.5599)
Luminance	0.5269 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CBFE #FE9966

analogous

#66FEE5 #66CBFE #667FFE

triadic

#66CBFE #FE66CB #CBFE66

tetradic

#66CBFE #E566FE #FE9966 #7FFE66

square

#66CBFE #E566FE #FE9966 #7FFE66

split-complementary

#66CBFE #FE667F #FEE566

monochromatic

#029BE8 #29B6FE #66CBFE #A3E0FE #E0F4FF

Accessibility & contrast

On white

1.82

#66CBFE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.54

#66CBFE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CBFE

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CBFE	#FFFFFF	#000000	##000000
##66CBFE	1.00	1.82	11.54	11.54
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.54	21.00	1.00	1.00
##000000	11.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2C9FF

Deuteranopia (green-blind)

#9DB9FD

Tritanopia (blue-blind)

#00D9DC

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #66cbfe;
/* rgb */ color: rgb(102, 203, 254);
/* oklch */ color: oklch(80.1% 0.119 232.9);

Tailwind

colors: {
  custom: {
    50: '#9edaff',
    500: '#66cbfe',
    950: '#000000',
  },
}

SCSS

$custom: #66cbfe;
$custom-light: #9edaff;
$custom-dark: #000000;

JSON

{
  "hex": "#66cbfe",
  "rgb": {
    "r": 102,
    "g": 203,
    "b": 254
  },
  "hsl": {
    "h": 200.132,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.80128,
    "c": 0.11872,
    "h": 232.9
  },
  "luminance": 0.52692
}

Semantic roles & 50–950 ramp

primary

#66CBFE

secondary

#D9682F

accent

#4D00E6

background

#FCFEFF

surface

#F6FBFF

border

#D0D4D7

text

#101418

muted

#808386

Preview Lab

Preview with #66CBFE

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

Preview Lab → · Contrast checker → · Palette generator →