#42BEEC#42BEEC

#42BEEC is a light, vivid cyan. Relative luminance 0.440; OKLCH L 75.3% C 0.125 H 227.1°. Best body text is #000000 at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#42BEEC
RGB	rgb(66, 190, 236)
HSL	hsl(196, 82%, 59%)
HSV	hsv(196, 72%, 93%)
CMYK	cmyk(72%, 19.5%, 0%, 7.5%)
CIE-LAB	lab(72.25, -19.33, -32.68)
CIE-LCH	lch(72.25, 37.97, 239.40°)
OKLab	oklab(75.27% -0.0851 -0.0916)
OKLCH	oklch(75.27% 0.125 227.1)
XYZ	xyz(35.7944, 44.0371, 85.9542)
Luminance	0.4404 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BEEC #EC7042

analogous

#42ECC5 #42BEEC #4269EC

triadic

#42BEEC #EC42BE #BEEC42

tetradic

#42BEEC #C542EC #EC7042 #69EC42

square

#42BEEC #C542EC #EC7042 #69EC42

split-complementary

#42BEEC #EC4269 #ECC542

monochromatic

#107BA3 #16A6DB #42BEEC #7AD1F2 #B1E4F7

Accessibility & contrast

On white

2.14

#42BEEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.81

#42BEEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BEEC

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BEEC	#FFFFFF	#000000	##000000
##42BEEC	1.00	2.14	9.81	9.81
#FFFFFF	2.14	1.00	21.00	21.00
#000000	9.81	21.00	1.00	1.00
##000000	9.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5BBEE

Deuteranopia (green-blind)

#8EAAEB

Tritanopia (blue-blind)

#00CBCD

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #42beec;
/* rgb */ color: rgb(66, 190, 236);
/* oklch */ color: oklch(75.3% 0.125 227.1);

Tailwind

colors: {
  custom: {
    50: '#8cd1f2',
    500: '#42beec',
    950: '#000000',
  },
}

SCSS

$custom: #42beec;
$custom-light: #8cd1f2;
$custom-dark: #000000;

JSON

{
  "hex": "#42beec",
  "rgb": {
    "r": 66,
    "g": 190,
    "b": 236
  },
  "hsl": {
    "h": 196.235,
    "s": 81.731,
    "l": 59.216
  },
  "oklch": {
    "l": 0.75268,
    "c": 0.12507,
    "h": 227.1
  },
  "luminance": 0.44041
}

Semantic roles & 50–950 ramp

primary

#42BEEC

secondary

#E6B6A4

accent

#6630F8

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1417

muted

#7E8285

Preview Lab

Preview with #42BEEC

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

Preview Lab → · Contrast checker → · Palette generator →