#66BCED#66BCED

#66BCED is a light, moderate cyan. Relative luminance 0.449; OKLCH L 76.0% C 0.109 H 235.6°. Best body text is #000000 at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#66BCED
RGB	rgb(102, 188, 237)
HSL	hsl(202, 79%, 66%)
HSV	hsv(202, 57%, 93%)
CMYK	cmyk(57%, 20.7%, 0%, 7.1%)
CIE-LAB	lab(72.83, -12.15, -32.24)
CIE-LCH	lch(72.83, 34.46, 249.35°)
OKLab	oklab(76.05% -0.0616 -0.0901)
OKLCH	oklch(76.05% 0.109 235.6)
XYZ	xyz(38.7430, 44.9021, 86.7296)
Luminance	0.4491 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BCED #ED9766

analogous

#66EDDB #66BCED #6679ED

triadic

#66BCED #ED66BC #BCED66

tetradic

#66BCED #DB66ED #ED9766 #79ED66

square

#66BCED #DB66ED #ED9766 #79ED66

split-complementary

#66BCED #ED6679 #EDDB66

monochromatic

#1784C2 #2FA4E7 #66BCED #9DD4F3 #D4ECFA

Accessibility & contrast

On white

2.10

#66BCED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.98

#66BCED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BCED

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BCED	#FFFFFF	#000000	##000000
##66BCED	1.00	2.10	9.98	9.98
#FFFFFF	2.10	1.00	21.00	21.00
#000000	9.98	21.00	1.00	1.00
##000000	9.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5BBEF

Deuteranopia (green-blind)

#92ADEC

Tritanopia (blue-blind)

#00C9CC

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #66bced;
/* rgb */ color: rgb(102, 188, 237);
/* oklch */ color: oklch(76.0% 0.109 235.6);

Tailwind

colors: {
  custom: {
    50: '#9cd0f3',
    500: '#66bced',
    950: '#000000',
  },
}

SCSS

$custom: #66bced;
$custom-light: #9cd0f3;
$custom-dark: #000000;

JSON

{
  "hex": "#66bced",
  "rgb": {
    "r": 102,
    "g": 188,
    "b": 237
  },
  "hsl": {
    "h": 201.778,
    "s": 78.947,
    "l": 66.471
  },
  "oklch": {
    "l": 0.76049,
    "c": 0.10911,
    "h": 235.6
  },
  "luminance": 0.44906
}

Semantic roles & 50–950 ramp

primary

#66BCED

secondary

#EDD1C2

accent

#560ADB

background

#FAFCFE

surface

#F4F9FD

border

#CED2D5

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #66BCED

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

Preview Lab → · Contrast checker → · Palette generator →