#66D7FA#66D7FA

#66D7FA is a very light, moderate cyan. Relative luminance 0.583; OKLCH L 82.7% C 0.113 H 221.1°. Best body text is #000000 at 12.67:1 contrast (WCAG AA passes).

Color values

HEX	#66D7FA
RGB	rgb(102, 215, 250)
HSL	hsl(194, 94%, 69%)
HSV	hsv(194, 59%, 98%)
CMYK	cmyk(59.2%, 14%, 0%, 2%)
CIE-LAB	lab(80.92, -22.28, -26.79)
CIE-LCH	lch(80.92, 34.84, 230.25°)
OKLab	oklab(82.66% -0.0854 -0.0745)
OKLCH	oklch(82.66% 0.113 221.1)
XYZ	xyz(47.0284, 58.3231, 99.2030)
Luminance	0.5833 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D7FA #FA8966

analogous

#66FAD3 #66D7FA #668DFA

triadic

#66D7FA #FA66D7 #D7FA66

tetradic

#66D7FA #D366FA #FA8966 #8DFA66

square

#66D7FA #D366FA #FA8966 #8DFA66

split-complementary

#66D7FA #FA668D #FAD366

monochromatic

#07ABDE #2BC8F8 #66D7FA #A1E6FC #DDF6FE

Accessibility & contrast

On white

1.66

#66D7FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.67

#66D7FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D7FA

12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D7FA	#FFFFFF	#000000	##000000
##66D7FA	1.00	1.66	12.67	12.67
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.67	21.00	1.00	1.00
##000000	12.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2D2FC

Deuteranopia (green-blind)

#ADC2FA

Tritanopia (blue-blind)

#00E2E2

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #66d7fa;
/* rgb */ color: rgb(102, 215, 250);
/* oklch */ color: oklch(82.7% 0.113 221.1);

Tailwind

colors: {
  custom: {
    50: '#9ee3fc',
    500: '#66d7fa',
    950: '#000000',
  },
}

SCSS

$custom: #66d7fa;
$custom-light: #9ee3fc;
$custom-dark: #000000;

JSON

{
  "hex": "#66d7fa",
  "rgb": {
    "r": 102,
    "g": 215,
    "b": 250
  },
  "hsl": {
    "h": 194.189,
    "s": 93.671,
    "l": 69.02
  },
  "oklch": {
    "l": 0.82655,
    "c": 0.11334,
    "h": 221.1
  },
  "luminance": 0.58328
}

Semantic roles & 50–950 ramp

primary

#66D7FA

secondary

#D45730

accent

#3600E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#101517

muted

#808485

Preview Lab

Preview with #66D7FA

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

Preview Lab → · Contrast checker → · Palette generator →