#42BEE6#42BEE6

#42BEE6 is a light, vivid cyan. Relative luminance 0.437; OKLCH L 75.0% C 0.121 H 223.7°. Best body text is #000000 at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#42BEE6
RGB	rgb(66, 190, 230)
HSL	hsl(195, 77%, 58%)
HSV	hsv(195, 71%, 90%)
CMYK	cmyk(71.3%, 17.4%, 0%, 9.8%)
CIE-LAB	lab(72.02, -21.24, -29.78)
CIE-LCH	lch(72.02, 36.58, 234.50°)
OKLab	oklab(75.01% -0.0873 -0.0833)
OKLCH	oklch(75.01% 0.121 223.7)
XYZ	xyz(34.9373, 43.6943, 81.4401)
Luminance	0.4370 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BEE6 #E66A42

analogous

#42E6BC #42BEE6 #426CE6

triadic

#42BEE6 #E642BE #BEE642

tetradic

#42BEE6 #BC42E6 #E66A42 #6CE642

square

#42BEE6 #BC42E6 #E66A42 #6CE642

split-complementary

#42BEE6 #E6426C #E6BC42

monochromatic

#147999 #1BA3CF #42BEE6 #78D1ED #AEE3F4

Accessibility & contrast

On white

2.16

#42BEE6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.74

#42BEE6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BEE6

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BEE6	#FFFFFF	#000000	##000000
##42BEE6	1.00	2.16	9.74	9.74
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.74	21.00	1.00	1.00
##000000	9.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7BAE8

Deuteranopia (green-blind)

#91A9E6

Tritanopia (blue-blind)

#00CACB

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #42bee6;
/* rgb */ color: rgb(66, 190, 230);
/* oklch */ color: oklch(75.0% 0.121 223.7);

Tailwind

colors: {
  custom: {
    50: '#8bd1ee',
    500: '#42bee6',
    950: '#000000',
  },
}

SCSS

$custom: #42bee6;
$custom-light: #8bd1ee;
$custom-dark: #000000;

JSON

{
  "hex": "#42bee6",
  "rgb": {
    "r": 66,
    "g": 190,
    "b": 230
  },
  "hsl": {
    "h": 194.634,
    "s": 76.636,
    "l": 58.039
  },
  "oklch": {
    "l": 0.75008,
    "c": 0.12069,
    "h": 223.7
  },
  "luminance": 0.43698
}

Semantic roles & 50–950 ramp

primary

#42BEE6

secondary

#E3B1A1

accent

#6335F3

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0D1416

muted

#7E8284

Preview Lab

Preview with #42BEE6

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

Preview Lab → · Contrast checker → · Palette generator →