#42A2BA#42A2BA

#42A2BA is a light, moderate cyan. Relative luminance 0.305; OKLCH L 66.5% C 0.095 H 217.2°. Best body text is #000000 at 7.11:1 contrast (WCAG AA passes).

Color values

HEX#42A2BA
RGBrgb(66, 162, 186)
HSLhsl(192, 48%, 49%)
HSVhsv(192, 65%, 73%)
CMYKcmyk(64.5%, 12.9%, 0%, 27.1%)
CIE-LABlab(62.12, -20.57, -20.71)
CIE-LCHlch(62.12, 29.19, 225.19°)
OKLaboklab(66.53% -0.0759 -0.0576)
OKLCHoklch(66.53% 0.095 217.2)
XYZxyz(24.0264, 30.5415, 51.0737)
Luminance0.3054 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42A2BA #BA5A42
analogous
#42BA96 #42A2BA #4266BA
triadic
#42A2BA #BA42A2 #A2BA42
tetradic
#42A2BA #9642BA #BA5A42 #66BA42
square
#42A2BA #9642BA #BA5A42 #66BA42
split-complementary
#42A2BA #BA4266 #BA9642
monochromatic
#225360 #327B8D #42A2BA #6EB9CB #9BCFDB

Accessibility & contrast

On white

2.95
#42A2BA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.11
#42A2BA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A2BA
7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42A2BA#FFFFFF#000000##000000
##42A2BA1.002.957.117.11
#FFFFFF2.951.0021.0021.00
#0000007.1121.001.001.00
##0000007.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#929DBB
Deuteranopia (green-blind)
#8191BA
Tritanopia (blue-blind)
#00AAA9
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #42a2ba;
/* rgb */ color: rgb(66, 162, 186);
/* oklch */ color: oklch(66.5% 0.095 217.2);
Tailwind
colors: {
  custom: {
    50: '#84bdce',
    500: '#42a2ba',
    950: '#000000',
  },
}
SCSS
$custom: #42a2ba;
$custom-light: #84bdce;
$custom-dark: #000000;
JSON
{
  "hex": "#42a2ba",
  "rgb": {
    "r": 66,
    "g": 162,
    "b": 186
  },
  "hsl": {
    "h": 192,
    "s": 47.619,
    "l": 49.412
  },
  "oklch": {
    "l": 0.66526,
    "c": 0.0953,
    "h": 217.2
  },
  "luminance": 0.30544
}

Semantic roles & 50–950 ramp

primary
#42A2BA
secondary
#C89B90
accent
#6C51D7
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1213
muted
#7D8182

Preview Lab

Preview with #42A2BA

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

Preview Lab → · Contrast checker → · Palette generator →

#42A2BA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva