#42BAD8#42BAD8

#42BAD8 is a light, moderate cyan. Relative luminance 0.412; OKLCH L 73.5% C 0.112 H 217.9°. Best body text is #000000 at 9.25:1 contrast (WCAG AA passes).

Color values

HEX#42BAD8
RGBrgb(66, 186, 216)
HSLhsl(192, 66%, 55%)
HSVhsv(192, 69%, 85%)
CMYKcmyk(69.4%, 13.9%, 0%, 15.3%)
CIE-LABlab(70.34, -23.60, -24.75)
CIE-LCHlch(70.34, 34.20, 226.36°)
OKLaboklab(73.48% -0.0887 -0.069)
OKLCHoklch(73.48% 0.112 217.9)
XYZxyz(32.1952, 41.2303, 71.2139)
Luminance0.4123 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42BAD8 #D86042
analogous
#42D8AB #42BAD8 #426FD8
triadic
#42BAD8 #D842BA #BAD842
tetradic
#42BAD8 #AB42D8 #D86042 #6FD842
square
#42BAD8 #AB42D8 #D86042 #6FD842
split-complementary
#42BAD8 #D8426F #D8AB42
monochromatic
#1B6F84 #269AB7 #42BAD8 #75CDE2 #A7DFED

Accessibility & contrast

On white

2.27
#42BAD8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.25
#42BAD8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BAD8
9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42BAD8#FFFFFF#000000##000000
##42BAD81.002.279.259.25
#FFFFFF2.271.0021.0021.00
#0000009.2521.001.001.00
##0000009.2521.001.001.00

Color blindness preview

Protanopia (red-blind)
#A7B5DA
Deuteranopia (green-blind)
#92A5D8
Tritanopia (blue-blind)
#00C4C3
Achromatopsia (no color)
#ACACAC

Design tokens & code

CSS
--color: #42bad8;
/* rgb */ color: rgb(66, 186, 216);
/* oklch */ color: oklch(73.5% 0.112 217.9);
Tailwind
colors: {
  custom: {
    50: '#89cfe4',
    500: '#42bad8',
    950: '#000000',
  },
}
SCSS
$custom: #42bad8;
$custom-light: #89cfe4;
$custom-dark: #000000;
JSON
{
  "hex": "#42bad8",
  "rgb": {
    "r": 66,
    "g": 186,
    "b": 216
  },
  "hsl": {
    "h": 192,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.73484,
    "c": 0.11237,
    "h": 217.9
  },
  "luminance": 0.41234
}

Semantic roles & 50–950 ramp

primary
#42BAD8
secondary
#DAA89C
accent
#613FE9
background
#F9FCFD
surface
#F1F9FB
border
#CBD2D4
text
#0D1315
muted
#7E8283

Preview Lab

Preview with #42BAD8

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

Preview Lab → · Contrast checker → · Palette generator →

#42BAD8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva