#424BB6#424BB6

#424BB6 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.9% C 0.167 H 274.3°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX#424BB6
RGBrgb(66, 75, 182)
HSLhsl(235, 47%, 49%)
HSVhsv(235, 64%, 71%)
CMYKcmyk(63.7%, 58.8%, 0%, 28.6%)
CIE-LABlab(37.05, 30.28, -57.94)
CIE-LCHlch(37.05, 65.37, 297.59°)
OKLaboklab(46.94% 0.0127 -0.1667)
OKLCHoklch(46.94% 0.167 274.3)
XYZxyz(13.2036, 9.5667, 45.3977)
Luminance0.0957 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#424BB6 #B6AD42
analogous
#4285B6 #424BB6 #7342B6
triadic
#424BB6 #B6424B #4BB642
tetradic
#424BB6 #B64285 #B6AD42 #42B673
square
#424BB6 #B64285 #B6AD42 #42B673
split-complementary
#424BB6 #B67342 #85B642
monochromatic
#21265C #323889 #424BB6 #6C73CA #999EDA

Accessibility & contrast

On white

7.21
#424BB6 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.91
#424BB6 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424BB6
7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##424BB6#FFFFFF#000000##FFFFFF
##424BB61.007.212.917.21
#FFFFFF7.211.0021.001.00
#0000002.9121.001.0021.00
##FFFFFF7.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005CBA
Deuteranopia (green-blind)
#0052B4
Tritanopia (blue-blind)
#006579
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #424bb6;
/* rgb */ color: rgb(66, 75, 182);
/* oklch */ color: oklch(46.9% 0.167 274.3);
Tailwind
colors: {
  custom: {
    50: '#837dcd',
    500: '#424bb6',
    950: '#000000',
  },
}
SCSS
$custom: #424bb6;
$custom-light: #837dcd;
$custom-dark: #000000;
JSON
{
  "hex": "#424bb6",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 182
  },
  "hsl": {
    "h": 235.345,
    "s": 46.774,
    "l": 48.627
  },
  "oklch": {
    "l": 0.46936,
    "c": 0.16717,
    "h": 274.3
  },
  "luminance": 0.09568
}

Semantic roles & 50–950 ramp

primary
#424BB6
secondary
#C6C18E
accent
#CC51D6
background
#F8F7FC
surface
#F0EEF9
border
#CBC9D2
text
#0C0913
muted
#7D7B82

Preview Lab

Preview with #424BB6

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

Preview Lab → · Contrast checker → · Palette generator →

#424BB6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva