#42BDE2#42BDE2

#42BDE2 is a light, moderate cyan. Relative luminance 0.430; OKLCH L 74.6% C 0.118 H 222.0°. Best body text is #000000 at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#42BDE2
RGB	rgb(66, 189, 226)
HSL	hsl(194, 73%, 57%)
HSV	hsv(194, 71%, 89%)
CMYK	cmyk(70.8%, 16.4%, 0%, 11.4%)
CIE-LAB	lab(71.58, -22.00, -28.29)
CIE-LCH	lch(71.58, 35.83, 232.13°)
OKLab	oklab(74.61% -0.0878 -0.0791)
OKLCH	oklch(74.61% 0.118 222)
XYZ	xyz(34.1662, 43.0405, 78.4437)
Luminance	0.4304 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BDE2 #E26742

analogous

#42E2B7 #42BDE2 #426DE2

triadic

#42BDE2 #E242BD #BDE242

tetradic

#42BDE2 #B742E2 #E26742 #6DE242

square

#42BDE2 #B742E2 #E26742 #6DE242

split-complementary

#42BDE2 #E2426D #E2B742

monochromatic

#177693 #1FA1C8 #42BDE2 #77D0EA #ACE2F2

Accessibility & contrast

On white

2.19

#42BDE2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.61

#42BDE2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BDE2

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BDE2	#FFFFFF	#000000	##000000
##42BDE2	1.00	2.19	9.61	9.61
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.61	21.00	1.00	1.00
##000000	9.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7B8E4

Deuteranopia (green-blind)

#91A8E2

Tritanopia (blue-blind)

#00C9C9

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #42bde2;
/* rgb */ color: rgb(66, 189, 226);
/* oklch */ color: oklch(74.6% 0.118 222.0);

Tailwind

colors: {
  custom: {
    50: '#8ad1eb',
    500: '#42bde2',
    950: '#000000',
  },
}

SCSS

$custom: #42bde2;
$custom-light: #8ad1eb;
$custom-dark: #000000;

JSON

{
  "hex": "#42bde2",
  "rgb": {
    "r": 66,
    "g": 189,
    "b": 226
  },
  "hsl": {
    "h": 193.875,
    "s": 73.394,
    "l": 57.255
  },
  "oklch": {
    "l": 0.74605,
    "c": 0.11817,
    "h": 222
  },
  "luminance": 0.43044
}

Semantic roles & 50–950 ramp

primary

#42BDE2

secondary

#E0AE9F

accent

#6238F0

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0D1416

muted

#7E8284

Preview Lab

Preview with #42BDE2

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

Preview Lab → · Contrast checker → · Palette generator →