#42BBE2#42BBE2

#42BBE2 is a light, moderate cyan. Relative luminance 0.422; OKLCH L 74.1% C 0.118 H 223.6°. Best body text is #000000 at 9.44:1 contrast (WCAG AA passes).

Color values

HEX#42BBE2
RGBrgb(66, 187, 226)
HSLhsl(195, 73%, 57%)
HSVhsv(195, 71%, 89%)
CMYKcmyk(70.8%, 17.3%, 0%, 11.4%)
CIE-LABlab(71.00, -20.97, -29.19)
CIE-LCHlch(71.00, 35.94, 234.30°)
OKLaboklab(74.14% -0.0859 -0.0816)
OKLCHoklch(74.14% 0.118 223.6)
XYZxyz(33.7389, 42.1860, 78.3013)
Luminance0.4219 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42BBE2 #E26942
analogous
#42E2B9 #42BBE2 #426BE2
triadic
#42BBE2 #E242BB #BBE242
tetradic
#42BBE2 #B942E2 #E26942 #6BE242
square
#42BBE2 #B942E2 #E26942 #6BE242
split-complementary
#42BBE2 #E2426B #E2B942
monochromatic
#177593 #1F9FC8 #42BBE2 #77CEEA #ACE1F2

Accessibility & contrast

On white

2.23
#42BBE2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.44
#42BBE2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BBE2
9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42BBE2#FFFFFF#000000##000000
##42BBE21.002.239.449.44
#FFFFFF2.231.0021.0021.00
#0000009.4421.001.001.00
##0000009.4421.001.001.00

Color blindness preview

Protanopia (red-blind)
#A5B7E4
Deuteranopia (green-blind)
#8FA7E2
Tritanopia (blue-blind)
#00C7C8
Achromatopsia (no color)
#AEAEAE

Design tokens & code

CSS
--color: #42bbe2;
/* rgb */ color: rgb(66, 187, 226);
/* oklch */ color: oklch(74.1% 0.118 223.6);
Tailwind
colors: {
  custom: {
    50: '#8acfeb',
    500: '#42bbe2',
    950: '#000000',
  },
}
SCSS
$custom: #42bbe2;
$custom-light: #8acfeb;
$custom-dark: #000000;
JSON
{
  "hex": "#42bbe2",
  "rgb": {
    "r": 66,
    "g": 187,
    "b": 226
  },
  "hsl": {
    "h": 194.625,
    "s": 73.394,
    "l": 57.255
  },
  "oklch": {
    "l": 0.74137,
    "c": 0.11849,
    "h": 223.6
  },
  "luminance": 0.4219
}

Semantic roles & 50–950 ramp

primary
#42BBE2
secondary
#E0AF9F
accent
#6538F0
background
#F9FCFE
surface
#F2F9FD
border
#CCD2D5
text
#0D1416
muted
#7E8284

Preview Lab

Preview with #42BBE2

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

Preview Lab → · Contrast checker → · Palette generator →

#42BBE2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva