#42BFE7#42BFE7

#42BFE7 is a light, vivid cyan. Relative luminance 0.442; OKLCH L 75.3% C 0.121 H 223.5°. Best body text is #000000 at 9.84:1 contrast (WCAG AA passes).

Color values

HEX#42BFE7
RGBrgb(66, 191, 231)
HSLhsl(195, 77%, 58%)
HSVhsv(195, 71%, 91%)
CMYKcmyk(71.4%, 17.3%, 0%, 9.4%)
CIE-LABlab(72.35, -21.44, -29.82)
CIE-LCHlch(72.35, 36.73, 234.28°)
OKLaboklab(75.28% -0.0879 -0.0834)
OKLCHoklch(75.28% 0.121 223.5)
XYZxyz(35.2954, 44.1853, 82.2542)
Luminance0.4419 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42BFE7 #E76A42
analogous
#42E7BC #42BFE7 #426DE7
triadic
#42BFE7 #E742BF #BFE742
tetradic
#42BFE7 #BC42E7 #E76A42 #6DE742
square
#42BFE7 #BC42E7 #E76A42 #6DE742
split-complementary
#42BFE7 #E7426D #E7BC42
monochromatic
#147A9B #1BA5D1 #42BFE7 #78D1EE #AFE4F5

Accessibility & contrast

On white

2.13
#42BFE7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.84
#42BFE7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BFE7
9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42BFE7#FFFFFF#000000##000000
##42BFE71.002.139.849.84
#FFFFFF2.131.0021.0021.00
#0000009.8421.001.001.00
##0000009.8421.001.001.00

Color blindness preview

Protanopia (red-blind)
#A8BBE9
Deuteranopia (green-blind)
#92AAE7
Tritanopia (blue-blind)
#00CBCC
Achromatopsia (no color)
#B1B1B1

Design tokens & code

CSS
--color: #42bfe7;
/* rgb */ color: rgb(66, 191, 231);
/* oklch */ color: oklch(75.3% 0.121 223.5);
Tailwind
colors: {
  custom: {
    50: '#8bd2ee',
    500: '#42bfe7',
    950: '#000000',
  },
}
SCSS
$custom: #42bfe7;
$custom-light: #8bd2ee;
$custom-dark: #000000;
JSON
{
  "hex": "#42bfe7",
  "rgb": {
    "r": 66,
    "g": 191,
    "b": 231
  },
  "hsl": {
    "h": 194.545,
    "s": 77.465,
    "l": 58.235
  },
  "oklch": {
    "l": 0.75284,
    "c": 0.12119,
    "h": 223.5
  },
  "luminance": 0.44189
}

Semantic roles & 50–950 ramp

primary
#42BFE7
secondary
#E3B1A2
accent
#6234F4
background
#F9FCFE
surface
#F2F9FD
border
#CCD2D5
text
#0E1416
muted
#7E8284

Preview Lab

Preview with #42BFE7

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

Preview Lab → · Contrast checker → · Palette generator →

#42BFE7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva