#42BEE3#42BEE3

#42BEE3 is a light, moderate cyan. Relative luminance 0.435; OKLCH L 74.9% C 0.119 H 221.8°. Best body text is #000000 at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#42BEE3
RGB	rgb(66, 190, 227)
HSL	hsl(194, 74%, 57%)
HSV	hsv(194, 71%, 89%)
CMYK	cmyk(70.9%, 16.3%, 0%, 11%)
CIE-LAB	lab(71.91, -22.19, -28.33)
CIE-LCH	lch(71.91, 35.99, 231.92°)
OKLab	oklab(74.88% -0.0884 -0.0792)
OKLCH	oklch(74.88% 0.119 221.8)
XYZ	xyz(34.5196, 43.5272, 79.2405)
Luminance	0.4353 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BEE3 #E36742

analogous

#42E3B8 #42BEE3 #426DE3

triadic

#42BEE3 #E342BE #BEE342

tetradic

#42BEE3 #B842E3 #E36742 #6DE342

square

#42BEE3 #B842E3 #E36742 #6DE342

split-complementary

#42BEE3 #E3426D #E3B842

monochromatic

#167795 #1EA2CA #42BEE3 #77D0EB #ADE3F3

Accessibility & contrast

On white

2.16

#42BEE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.71

#42BEE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BEE3

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BEE3	#FFFFFF	#000000	##000000
##42BEE3	1.00	2.16	9.71	9.71
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.71	21.00	1.00	1.00
##000000	9.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B9E5

Deuteranopia (green-blind)

#92A9E3

Tritanopia (blue-blind)

#00CACA

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #42bee3;
/* rgb */ color: rgb(66, 190, 227);
/* oklch */ color: oklch(74.9% 0.119 221.8);

Tailwind

colors: {
  custom: {
    50: '#8bd1ec',
    500: '#42bee3',
    950: '#000000',
  },
}

SCSS

$custom: #42bee3;
$custom-light: #8bd1ec;
$custom-dark: #000000;

JSON

{
  "hex": "#42bee3",
  "rgb": {
    "r": 66,
    "g": 190,
    "b": 227
  },
  "hsl": {
    "h": 193.789,
    "s": 74.194,
    "l": 57.451
  },
  "oklch": {
    "l": 0.74881,
    "c": 0.11869,
    "h": 221.8
  },
  "luminance": 0.43531
}

Semantic roles & 50–950 ramp

primary

#42BEE3

secondary

#E1AFA0

accent

#6237F1

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0D1416

muted

#7E8284

Preview Lab

Preview with #42BEE3

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

Preview Lab → · Contrast checker → · Palette generator →