#66C0F2#66C0F2

#66C0F2 is a light, moderate cyan. Relative luminance 0.469; OKLCH L 77.2% C 0.112 H 235.1°. Best body text is #000000 at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#66C0F2
RGB	rgb(102, 192, 242)
HSL	hsl(201, 84%, 67%)
HSV	hsv(201, 58%, 95%)
CMYK	cmyk(57.9%, 20.7%, 0%, 5.1%)
CIE-LAB	lab(74.15, -12.77, -32.91)
CIE-LCH	lch(74.15, 35.30, 248.79°)
OKLab	oklab(77.16% -0.0641 -0.092)
OKLCH	oklch(77.16% 0.112 235.1)
XYZ	xyz(40.3501, 46.9311, 90.9194)
Luminance	0.4693 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C0F2 #F29866

analogous

#66F2DE #66C0F2 #667AF2

triadic

#66C0F2 #F266C0 #C0F266

tetradic

#66C0F2 #DE66F2 #F29866 #7AF266

square

#66C0F2 #DE66F2 #F29866 #7AF266

split-complementary

#66C0F2 #F2667A #F2DE66

monochromatic

#1189CC #2EA9ED #66C0F2 #9ED7F7 #D7EEFC

Accessibility & contrast

On white

2.02

#66C0F2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.39

#66C0F2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C0F2

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C0F2	#FFFFFF	#000000	##000000
##66C0F2	1.00	2.02	10.39	10.39
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.39	21.00	1.00	1.00
##000000	10.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8BEF4

Deuteranopia (green-blind)

#95B0F1

Tritanopia (blue-blind)

#00CDD1

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #66c0f2;
/* rgb */ color: rgb(102, 192, 242);
/* oklch */ color: oklch(77.2% 0.112 235.1);

Tailwind

colors: {
  custom: {
    50: '#9cd3f6',
    500: '#66c0f2',
    950: '#000000',
  },
}

SCSS

$custom: #66c0f2;
$custom-light: #9cd3f6;
$custom-dark: #000000;

JSON

{
  "hex": "#66c0f2",
  "rgb": {
    "r": 102,
    "g": 192,
    "b": 242
  },
  "hsl": {
    "h": 201.429,
    "s": 84.337,
    "l": 67.451
  },
  "oklch": {
    "l": 0.77159,
    "c": 0.11214,
    "h": 235.1
  },
  "luminance": 0.46935
}

Semantic roles & 50–950 ramp

primary

#66C0F2

secondary

#F0D4C4

accent

#5305E1

background

#FAFCFF

surface

#F4F9FE

border

#CED2D6

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #66C0F2

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

Preview Lab → · Contrast checker → · Palette generator →