#42CAEA#42CAEA

#42CAEA is a light, vivid cyan. Relative luminance 0.493; OKLCH L 78.0% C 0.122 H 217.1°. Best body text is #000000 at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#42CAEA
RGB	rgb(66, 202, 234)
HSL	hsl(191, 80%, 59%)
HSV	hsv(191, 72%, 92%)
CMYK	cmyk(71.8%, 13.7%, 0%, 8.2%)
CIE-LAB	lab(75.66, -26.06, -26.36)
CIE-LCH	lch(75.66, 37.07, 225.33°)
OKLab	oklab(77.98% -0.0973 -0.0735)
OKLCH	oklch(77.98% 0.122 217.1)
XYZ	xyz(38.2123, 49.3353, 85.3347)
Luminance	0.4934 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CAEA #EA6242

analogous

#42EAB6 #42CAEA #4276EA

triadic

#42CAEA #EA42CA #CAEA42

tetradic

#42CAEA #B642EA #EA6242 #76EA42

square

#42CAEA #B642EA #EA6242 #76EA42

split-complementary

#42CAEA #EA4276 #EAB642

monochromatic

#1285A0 #18B3D7 #42CAEA #79D9F0 #B0E9F6

Accessibility & contrast

On white

1.93

#42CAEA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.87

#42CAEA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CAEA

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CAEA	#FFFFFF	#000000	##000000
##42CAEA	1.00	1.93	10.87	10.87
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.87	21.00	1.00	1.00
##000000	10.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5C4EC

Deuteranopia (green-blind)

#9EB3EA

Tritanopia (blue-blind)

#00D5D4

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #42caea;
/* rgb */ color: rgb(66, 202, 234);
/* oklch */ color: oklch(78.0% 0.122 217.1);

Tailwind

colors: {
  custom: {
    50: '#8ddaf0',
    500: '#42caea',
    950: '#000000',
  },
}

SCSS

$custom: #42caea;
$custom-light: #8ddaf0;
$custom-dark: #000000;

JSON

{
  "hex": "#42caea",
  "rgb": {
    "r": 66,
    "g": 202,
    "b": 234
  },
  "hsl": {
    "h": 191.429,
    "s": 80,
    "l": 58.824
  },
  "oklch": {
    "l": 0.77976,
    "c": 0.122,
    "h": 217.1
  },
  "luminance": 0.4934
}

Semantic roles & 50–950 ramp

primary

#42CAEA

secondary

#E5AFA3

accent

#5731F6

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1516

muted

#7E8384

Preview Lab

Preview with #42CAEA

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

Preview Lab → · Contrast checker → · Palette generator →