#42BEE1#42BEE1

#42BEE1 is a light, moderate cyan. Relative luminance 0.434; OKLCH L 74.8% C 0.117 H 220.6°. Best body text is #000000 at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#42BEE1
RGB	rgb(66, 190, 225)
HSL	hsl(193, 73%, 57%)
HSV	hsv(193, 71%, 88%)
CMYK	cmyk(70.7%, 15.6%, 0%, 11.8%)
CIE-LAB	lab(71.84, -22.82, -27.35)
CIE-LCH	lch(71.84, 35.62, 230.16°)
OKLab	oklab(74.8% -0.0892 -0.0764)
OKLCH	oklch(74.8% 0.117 220.6)
XYZ	xyz(34.2452, 43.4175, 77.7951)
Luminance	0.4342 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BEE1 #E16542

analogous

#42E1B5 #42BEE1 #426EE1

triadic

#42BEE1 #E142BE #BEE142

tetradic

#42BEE1 #B542E1 #E16542 #6EE142

square

#42BEE1 #B542E1 #E16542 #6EE142

split-complementary

#42BEE1 #E1426E #E1B542

monochromatic

#177792 #1FA2C6 #42BEE1 #77D0E9 #ACE2F2

Accessibility & contrast

On white

2.17

#42BEE1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.68

#42BEE1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BEE1

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BEE1	#FFFFFF	#000000	##000000
##42BEE1	1.00	2.17	9.68	9.68
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.68	21.00	1.00	1.00
##000000	9.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9B9E3

Deuteranopia (green-blind)

#93A9E1

Tritanopia (blue-blind)

#00C9C9

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #42bee1;
/* rgb */ color: rgb(66, 190, 225);
/* oklch */ color: oklch(74.8% 0.117 220.6);

Tailwind

colors: {
  custom: {
    50: '#8ad1ea',
    500: '#42bee1',
    950: '#000000',
  },
}

SCSS

$custom: #42bee1;
$custom-light: #8ad1ea;
$custom-dark: #000000;

JSON

{
  "hex": "#42bee1",
  "rgb": {
    "r": 66,
    "g": 190,
    "b": 225
  },
  "hsl": {
    "h": 193.208,
    "s": 72.603,
    "l": 57.059
  },
  "oklch": {
    "l": 0.74797,
    "c": 0.11742,
    "h": 220.6
  },
  "luminance": 0.43421
}

Semantic roles & 50–950 ramp

primary

#42BEE1

secondary

#E0AD9F

accent

#6138EF

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0D1416

muted

#7E8284

Preview Lab

Preview with #42BEE1

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

Preview Lab → · Contrast checker → · Palette generator →