#42BDEC#42BDEC

#42BDEC is a light, vivid cyan. Relative luminance 0.436; OKLCH L 75.0% C 0.125 H 227.8°. Best body text is #000000 at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#42BDEC
RGB	rgb(66, 189, 236)
HSL	hsl(197, 82%, 59%)
HSV	hsv(197, 72%, 93%)
CMYK	cmyk(72%, 19.9%, 0%, 7.5%)
CIE-LAB	lab(71.96, -18.81, -33.13)
CIE-LCH	lch(71.96, 38.09, 240.41°)
OKLab	oklab(75.04% -0.0842 -0.0929)
OKLCH	oklch(75.04% 0.125 227.8)
XYZ	xyz(35.5785, 43.6054, 85.8822)
Luminance	0.4361 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BDEC #EC7142

analogous

#42ECC6 #42BDEC #4268EC

triadic

#42BDEC #EC42BD #BDEC42

tetradic

#42BDEC #C642EC #EC7142 #68EC42

square

#42BDEC #C642EC #EC7142 #68EC42

split-complementary

#42BDEC #EC4268 #ECC642

monochromatic

#107BA3 #16A4DB #42BDEC #7AD0F2 #B1E4F7

Accessibility & contrast

On white

2.16

#42BDEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.72

#42BDEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BDEC

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BDEC	#FFFFFF	#000000	##000000
##42BDEC	1.00	2.16	9.72	9.72
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.72	21.00	1.00	1.00
##000000	9.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4BAEE

Deuteranopia (green-blind)

#8DA9EB

Tritanopia (blue-blind)

#00CACC

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #42bdec;
/* rgb */ color: rgb(66, 189, 236);
/* oklch */ color: oklch(75.0% 0.125 227.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#42bdec",
  "rgb": {
    "r": 66,
    "g": 189,
    "b": 236
  },
  "hsl": {
    "h": 196.588,
    "s": 81.731,
    "l": 59.216
  },
  "oklch": {
    "l": 0.75037,
    "c": 0.12537,
    "h": 227.8
  },
  "luminance": 0.4361
}

Semantic roles & 50–950 ramp

primary

#42BDEC

secondary

#E6B6A4

accent

#6730F8

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1417

muted

#7E8285

Preview Lab

Preview with #42BDEC

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

Preview Lab → · Contrast checker → · Palette generator →