#424FBF#424FBF

#424FBF is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.4% C 0.174 H 273.0°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX#424FBF
RGBrgb(66, 79, 191)
HSLhsl(234, 49%, 50%)
HSVhsv(234, 65%, 75%)
CMYKcmyk(65.4%, 58.6%, 0%, 25.1%)
CIE-LABlab(38.74, 30.86, -60.48)
CIE-LCHlch(38.74, 67.89, 297.03°)
OKLaboklab(48.41% 0.0091 -0.1741)
OKLCHoklch(48.41% 0.174 273)
XYZxyz(14.4436, 10.5105, 50.5477)
Luminance0.1051 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#424FBF #BFB242
analogous
#428DBF #424FBF #7342BF
triadic
#424FBF #BF424F #4FBF42
tetradic
#424FBF #BF428D #BFB242 #42BF73
square
#424FBF #BF428D #BFB242 #42BF73
split-complementary
#424FBF #BF7342 #8DBF42
monochromatic
#222965 #323C92 #424FBF #707ACE #9DA4DE

Accessibility & contrast

On white

6.77
#424FBF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.10
#424FBF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424FBF
6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##424FBF#FFFFFF#000000##FFFFFF
##424FBF1.006.773.106.77
#FFFFFF6.771.0021.001.00
#0000003.1021.001.0021.00
##FFFFFF6.771.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0061C3
Deuteranopia (green-blind)
#0056BD
Tritanopia (blue-blind)
#006A7F
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #424fbf;
/* rgb */ color: rgb(66, 79, 191);
/* oklch */ color: oklch(48.4% 0.174 273.0);
Tailwind
colors: {
  custom: {
    50: '#8480d3',
    500: '#424fbf',
    950: '#000000',
  },
}
SCSS
$custom: #424fbf;
$custom-light: #8480d3;
$custom-dark: #000000;
JSON
{
  "hex": "#424fbf",
  "rgb": {
    "r": 66,
    "g": 79,
    "b": 191
  },
  "hsl": {
    "h": 233.76,
    "s": 49.407,
    "l": 50.392
  },
  "oklch": {
    "l": 0.48407,
    "c": 0.17434,
    "h": 273
  },
  "luminance": 0.10512
}

Semantic roles & 50–950 ramp

primary
#424FBF
secondary
#CAC493
accent
#CB4FD9
background
#F8F7FD
surface
#F0EEFA
border
#CBC9D3
text
#0C0A14
muted
#7D7C83

Preview Lab

Preview with #424FBF

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

Preview Lab → · Contrast checker → · Palette generator →

#424FBF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva