#42CAE7#42CAE7

#42CAE7 is a light, vivid cyan. Relative luminance 0.492; OKLCH L 77.9% C 0.121 H 215.2°. Best body text is #000000 at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#42CAE7
RGB	rgb(66, 202, 231)
HSL	hsl(191, 77%, 58%)
HSV	hsv(191, 71%, 91%)
CMYK	cmyk(71.4%, 12.6%, 0%, 9.4%)
CIE-LAB	lab(75.55, -26.98, -24.91)
CIE-LCH	lch(75.55, 36.72, 222.71°)
OKLab	oklab(77.85% -0.0985 -0.0694)
OKLCH	oklch(77.85% 0.121 215.2)
XYZ	xyz(37.7850, 49.1644, 83.0841)
Luminance	0.4917 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CAE7 #E75F42

analogous

#42E7B1 #42CAE7 #4278E7

triadic

#42CAE7 #E742CA #CAE742

tetradic

#42CAE7 #B142E7 #E75F42 #78E742

square

#42CAE7 #B142E7 #E75F42 #78E742

split-complementary

#42CAE7 #E74278 #E7B142

monochromatic

#14839B #1BB1D1 #42CAE7 #78D9EE #AFE8F5

Accessibility & contrast

On white

1.94

#42CAE7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.83

#42CAE7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CAE7

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CAE7	#FFFFFF	#000000	##000000
##42CAE7	1.00	1.94	10.83	10.83
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.83	21.00	1.00	1.00
##000000	10.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C4E9

Deuteranopia (green-blind)

#9FB3E7

Tritanopia (blue-blind)

#00D5D3

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #42cae7;
/* rgb */ color: rgb(66, 202, 231);
/* oklch */ color: oklch(77.9% 0.121 215.2);

Tailwind

colors: {
  custom: {
    50: '#8cdaee',
    500: '#42cae7',
    950: '#000000',
  },
}

SCSS

$custom: #42cae7;
$custom-light: #8cdaee;
$custom-dark: #000000;

JSON

{
  "hex": "#42cae7",
  "rgb": {
    "r": 66,
    "g": 202,
    "b": 231
  },
  "hsl": {
    "h": 190.545,
    "s": 77.465,
    "l": 58.235
  },
  "oklch": {
    "l": 0.77855,
    "c": 0.12051,
    "h": 215.2
  },
  "luminance": 0.49169
}

Semantic roles & 50–950 ramp

primary

#42CAE7

secondary

#E3ADA2

accent

#5634F4

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1516

muted

#7E8384

Preview Lab

Preview with #42CAE7

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

Preview Lab → · Contrast checker → · Palette generator →