#42ABCA#42ABCA

#42ABCA is a light, moderate cyan. Relative luminance 0.345; OKLCH L 69.3% C 0.105 H 221.0°. Best body text is #000000 at 7.91:1 contrast (WCAG AA passes).

Color values

HEX#42ABCA
RGBrgb(66, 171, 202)
HSLhsl(194, 56%, 53%)
HSVhsv(194, 67%, 79%)
CMYKcmyk(67.3%, 15.3%, 0%, 20.8%)
CIE-LABlab(65.39, -20.27, -24.62)
CIE-LCHlch(65.39, 31.89, 230.54°)
OKLaboklab(69.35% -0.079 -0.0687)
OKLCHoklch(69.35% 0.105 221)
XYZxyz(27.4660, 34.5453, 61.0861)
Luminance0.3455 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42ABCA #CA6142
analogous
#42CAA5 #42ABCA #4267CA
triadic
#42ABCA #CA42AB #ABCA42
tetradic
#42ABCA #A542CA #CA6142 #67CA42
square
#42ABCA #A542CA #CA6142 #67CA42
split-complementary
#42ABCA #CA4267 #CAA542
monochromatic
#205F72 #2D87A2 #42ABCA #72C0D7 #A2D5E5

Accessibility & contrast

On white

2.66
#42ABCA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.91
#42ABCA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42ABCA
7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42ABCA#FFFFFF#000000##000000
##42ABCA1.002.667.917.91
#FFFFFF2.661.0021.0021.00
#0000007.9121.001.001.00
##0000007.9121.001.001.00

Color blindness preview

Protanopia (red-blind)
#98A7CC
Deuteranopia (green-blind)
#8599CA
Tritanopia (blue-blind)
#00B5B5
Achromatopsia (no color)
#9F9F9F

Design tokens & code

CSS
--color: #42abca;
/* rgb */ color: rgb(66, 171, 202);
/* oklch */ color: oklch(69.3% 0.105 221.0);
Tailwind
colors: {
  custom: {
    50: '#86c4da',
    500: '#42abca',
    950: '#000000',
  },
}
SCSS
$custom: #42abca;
$custom-light: #86c4da;
$custom-dark: #000000;
JSON
{
  "hex": "#42abca",
  "rgb": {
    "r": 66,
    "g": 171,
    "b": 202
  },
  "hsl": {
    "h": 193.676,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.69347,
    "c": 0.10468,
    "h": 221
  },
  "luminance": 0.34548
}

Semantic roles & 50–950 ramp

primary
#42ABCA
secondary
#D1A496
accent
#6B48DF
background
#F8FCFD
surface
#F0F8FA
border
#CBD1D3
text
#0C1214
muted
#7D8183

Preview Lab

Preview with #42ABCA

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

Preview Lab → · Contrast checker → · Palette generator →

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