#427FA1#427FA1

#427FA1 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.0% C 0.082 H 235.1°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX#427FA1
RGBrgb(66, 127, 161)
HSLhsl(201, 42%, 45%)
HSVhsv(201, 59%, 63%)
CMYKcmyk(59%, 21.1%, 0%, 36.9%)
CIE-LABlab(50.58, -9.38, -24.14)
CIE-LCHlch(50.58, 25.90, 248.77°)
OKLaboklab(56.99% -0.047 -0.0675)
OKLCHoklch(56.99% 0.082 235.1)
XYZxyz(16.2667, 18.9087, 36.5038)
Luminance0.1891 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#427FA1 #A16442
analogous
#42A194 #427FA1 #4250A1
triadic
#427FA1 #A1427F #7FA142
tetradic
#427FA1 #9442A1 #A16442 #50A142
square
#427FA1 #9442A1 #A16442 #50A142
split-complementary
#427FA1 #A14250 #A19442
monochromatic
#1E3B4A #305D76 #427FA1 #629DBF #8DB8D0

Accessibility & contrast

On white

4.39
#427FA1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.78
#427FA1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427FA1
4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##427FA1#FFFFFF#000000##000000
##427FA11.004.394.784.78
#FFFFFF4.391.0021.0021.00
#0000004.7821.001.001.00
##0000004.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#6F7EA3
Deuteranopia (green-blind)
#6274A0
Tritanopia (blue-blind)
#00888A
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #427fa1;
/* rgb */ color: rgb(66, 127, 161);
/* oklch */ color: oklch(57.0% 0.082 235.1);
Tailwind
colors: {
  custom: {
    50: '#7fa4bd',
    500: '#427fa1',
    950: '#000000',
  },
}
SCSS
$custom: #427fa1;
$custom-light: #7fa4bd;
$custom-dark: #000000;
JSON
{
  "hex": "#427fa1",
  "rgb": {
    "r": 66,
    "g": 127,
    "b": 161
  },
  "hsl": {
    "h": 201.474,
    "s": 41.85,
    "l": 44.51
  },
  "oklch": {
    "l": 0.56991,
    "c": 0.08221,
    "h": 235.1
  },
  "luminance": 0.1891
}

Semantic roles & 50–950 ramp

primary
#427FA1
secondary
#BB9783
accent
#8256D2
background
#F8FAFB
surface
#EFF4F6
border
#CACED0
text
#0B0F12
muted
#7C7F81

Preview Lab

Preview with #427FA1

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

Preview Lab → · Contrast checker → · Palette generator →

#427FA1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva