#42BFE2#42BFE2

#42BFE2 is a light, moderate cyan. Relative luminance 0.439; OKLCH L 75.1% C 0.118 H 220.4°. Best body text is #000000 at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#42BFE2
RGB	rgb(66, 191, 226)
HSL	hsl(193, 73%, 57%)
HSV	hsv(193, 71%, 89%)
CMYK	cmyk(70.8%, 15.5%, 0%, 11.4%)
CIE-LAB	lab(72.17, -23.02, -27.39)
CIE-LCH	lch(72.17, 35.78, 229.96°)
OKLab	oklab(75.07% -0.0898 -0.0765)
OKLCH	oklch(75.07% 0.118 220.4)
XYZ	xyz(34.5993, 43.9068, 78.5881)
Luminance	0.4391 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BFE2 #E26542

analogous

#42E2B5 #42BFE2 #426FE2

triadic

#42BFE2 #E242BF #BFE242

tetradic

#42BFE2 #B542E2 #E26542 #6FE242

square

#42BFE2 #B542E2 #E26542 #6FE242

split-complementary

#42BFE2 #E2426F #E2B542

monochromatic

#177893 #1FA3C8 #42BFE2 #77D1EA #ACE3F2

Accessibility & contrast

On white

2.15

#42BFE2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.78

#42BFE2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BFE2

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BFE2	#FFFFFF	#000000	##000000
##42BFE2	1.00	2.15	9.78	9.78
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.78	21.00	1.00	1.00
##000000	9.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AABAE4

Deuteranopia (green-blind)

#94AAE2

Tritanopia (blue-blind)

#00CACA

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #42bfe2;
/* rgb */ color: rgb(66, 191, 226);
/* oklch */ color: oklch(75.1% 0.118 220.4);

Tailwind

colors: {
  custom: {
    50: '#8bd2eb',
    500: '#42bfe2',
    950: '#000000',
  },
}

SCSS

$custom: #42bfe2;
$custom-light: #8bd2eb;
$custom-dark: #000000;

JSON

{
  "hex": "#42bfe2",
  "rgb": {
    "r": 66,
    "g": 191,
    "b": 226
  },
  "hsl": {
    "h": 193.125,
    "s": 73.394,
    "l": 57.255
  },
  "oklch": {
    "l": 0.75073,
    "c": 0.11795,
    "h": 220.4
  },
  "luminance": 0.43911
}

Semantic roles & 50–950 ramp

primary

#42BFE2

secondary

#E0AE9F

accent

#6038F0

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0D1416

muted

#7E8284

Preview Lab

Preview with #42BFE2

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

Preview Lab → · Contrast checker → · Palette generator →