#427AD0#427AD0

#427AD0 is a mid, vivid blue. Relative luminance 0.196; OKLCH L 58.4% C 0.145 H 258.8°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX#427AD0
RGBrgb(66, 122, 208)
HSLhsl(216, 60%, 54%)
HSVhsv(216, 68%, 82%)
CMYKcmyk(68.3%, 41.3%, 0%, 18.4%)
CIE-LABlab(51.42, 9.69, -49.86)
CIE-LCHlch(51.42, 50.80, 281.00°)
OKLaboklab(58.4% -0.0283 -0.1423)
OKLCHoklch(58.4% 0.145 258.8)
XYZxyz(20.5874, 19.6293, 62.3661)
Luminance0.1963 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#427AD0 #D09842
analogous
#42C1D0 #427AD0 #5142D0
triadic
#427AD0 #D0427A #7AD042
tetradic
#427AD0 #D042C1 #D09842 #42D051
square
#427AD0 #D042C1 #D09842 #42D051
split-complementary
#427AD0 #D05142 #C1D042
monochromatic
#1E4279 #2A5DAA #427AD0 #739CDC #A4BFE8

Accessibility & contrast

On white

4.26
#427AD0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.93
#427AD0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427AD0
4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##427AD0#FFFFFF#000000##000000
##427AD01.004.264.934.93
#FFFFFF4.261.0021.0021.00
#0000004.9321.001.001.00
##0000004.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#5282D3
Deuteranopia (green-blind)
#3B74CE
Tritanopia (blue-blind)
#008E9B
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #427ad0;
/* rgb */ color: rgb(66, 122, 208);
/* oklch */ color: oklch(58.4% 0.145 258.8);
Tailwind
colors: {
  custom: {
    50: '#869fdf',
    500: '#427ad0',
    950: '#000000',
  },
}
SCSS
$custom: #427ad0;
$custom-light: #869fdf;
$custom-dark: #000000;
JSON
{
  "hex": "#427ad0",
  "rgb": {
    "r": 66,
    "g": 122,
    "b": 208
  },
  "hsl": {
    "h": 216.338,
    "s": 60.169,
    "l": 53.725
  },
  "oklch": {
    "l": 0.58398,
    "c": 0.14506,
    "h": 258.8
  },
  "luminance": 0.19631
}

Semantic roles & 50–950 ramp

primary
#427AD0
secondary
#D5BD99
accent
#A544E3
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #427AD0

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

Preview Lab → · Contrast checker → · Palette generator →

#427AD0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva