#66BEEA#66BEEA

#66BEEA is a light, moderate cyan. Relative luminance 0.456; OKLCH L 76.4% C 0.106 H 232.2°. Best body text is #000000 at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#66BEEA
RGB	rgb(102, 190, 234)
HSL	hsl(200, 76%, 66%)
HSV	hsv(200, 56%, 92%)
CMYK	cmyk(56.4%, 18.8%, 0%, 8.2%)
CIE-LAB	lab(73.28, -14.10, -29.93)
CIE-LCH	lch(73.28, 33.08, 244.76°)
OKLab	oklab(76.37% -0.0648 -0.0834)
OKLCH	oklch(76.37% 0.106 232.2)
XYZ	xyz(38.7386, 45.5887, 84.5840)
Luminance	0.4559 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BEEA #EA9266

analogous

#66EAD4 #66BEEA #667CEA

triadic

#66BEEA #EA66BE #BEEA66

tetradic

#66BEEA #D466EA #EA9266 #7CEA66

square

#66BEEA #D466EA #EA9266 #7CEA66

split-complementary

#66BEEA #EA667C #EAD466

monochromatic

#1A86BC #30A7E3 #66BEEA #9CD5F1 #D2ECF9

Accessibility & contrast

On white

2.08

#66BEEA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.12

#66BEEA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BEEA

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BEEA	#FFFFFF	#000000	##000000
##66BEEA	1.00	2.08	10.12	10.12
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.12	21.00	1.00	1.00
##000000	10.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8BCEC

Deuteranopia (green-blind)

#96AEE9

Tritanopia (blue-blind)

#00CACC

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #66beea;
/* rgb */ color: rgb(102, 190, 234);
/* oklch */ color: oklch(76.4% 0.106 232.2);

Tailwind

colors: {
  custom: {
    50: '#9bd1f0',
    500: '#66beea',
    950: '#000000',
  },
}

SCSS

$custom: #66beea;
$custom-light: #9bd1f0;
$custom-dark: #000000;

JSON

{
  "hex": "#66beea",
  "rgb": {
    "r": 102,
    "g": 190,
    "b": 234
  },
  "hsl": {
    "h": 200,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.76369,
    "c": 0.10563,
    "h": 232.2
  },
  "luminance": 0.45592
}

Semantic roles & 50–950 ramp

primary

#66BEEA

secondary

#ECCFC0

accent

#510DD8

background

#FAFCFE

surface

#F4F9FD

border

#CED2D5

text

#0F1416

muted

#7F8284

Preview Lab

Preview with #66BEEA

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

Preview Lab → · Contrast checker → · Palette generator →