#42A2C9#42A2C9

#42A2C9 is a light, moderate cyan. Relative luminance 0.312; OKLCH L 67.2% C 0.106 H 228.4°. Best body text is #000000 at 7.24:1 contrast (WCAG AA passes).

Color values

HEX#42A2C9
RGBrgb(66, 162, 201)
HSLhsl(197, 56%, 52%)
HSVhsv(197, 67%, 79%)
CMYKcmyk(67.2%, 19.4%, 0%, 21.2%)
CIE-LABlab(62.69, -15.82, -28.23)
CIE-LCHlch(62.69, 32.36, 240.72°)
OKLaboklab(67.17% -0.0702 -0.079)
OKLCHoklch(67.17% 0.106 228.4)
XYZxyz(25.7055, 31.2132, 59.9170)
Luminance0.3122 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42A2C9 #C96942
analogous
#42C9AC #42A2C9 #425FC9
triadic
#42A2C9 #C942A2 #A2C942
tetradic
#42A2C9 #AC42C9 #C96942 #5FC942
square
#42A2C9 #AC42C9 #C96942 #5FC942
split-complementary
#42A2C9 #C9425F #C9AC42
monochromatic
#205970 #2E7FA0 #42A2C9 #72B9D7 #A1D1E4

Accessibility & contrast

On white

2.90
#42A2C9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.24
#42A2C9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A2C9
7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42A2C9#FFFFFF#000000##000000
##42A2C91.002.907.247.24
#FFFFFF2.901.0021.0021.00
#0000007.2421.001.001.00
##0000007.2421.001.001.00

Color blindness preview

Protanopia (red-blind)
#8E9FCB
Deuteranopia (green-blind)
#7B92C8
Tritanopia (blue-blind)
#00ADAF
Achromatopsia (no color)
#989898

Design tokens & code

CSS
--color: #42a2c9;
/* rgb */ color: rgb(66, 162, 201);
/* oklch */ color: oklch(67.2% 0.106 228.4);
Tailwind
colors: {
  custom: {
    50: '#85bdd9',
    500: '#42a2c9',
    950: '#000000',
  },
}
SCSS
$custom: #42a2c9;
$custom-light: #85bdd9;
$custom-dark: #000000;
JSON
{
  "hex": "#42a2c9",
  "rgb": {
    "r": 66,
    "g": 162,
    "b": 201
  },
  "hsl": {
    "h": 197.333,
    "s": 55.556,
    "l": 52.353
  },
  "oklch": {
    "l": 0.67169,
    "c": 0.10567,
    "h": 228.4
  },
  "luminance": 0.31216
}

Semantic roles & 50–950 ramp

primary
#42A2C9
secondary
#D1A796
accent
#7449DF
background
#F8FBFD
surface
#F0F6FA
border
#CBD0D3
text
#0C1214
muted
#7D8183

Preview Lab

Preview with #42A2C9

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

Preview Lab → · Contrast checker → · Palette generator →

#42A2C9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva