#424DC5#424DC5

#424DC5 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.5% C 0.185 H 273.3°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX#424DC5
RGBrgb(66, 77, 197)
HSLhsl(235, 53%, 52%)
HSVhsv(235, 66%, 77%)
CMYKcmyk(66.5%, 60.9%, 0%, 22.7%)
CIE-LABlab(38.72, 34.20, -64.02)
CIE-LCHlch(38.72, 72.58, 298.11°)
OKLaboklab(48.54% 0.0107 -0.1845)
OKLCHoklch(48.54% 0.185 273.3)
XYZxyz(14.9753, 10.4959, 54.0492)
Luminance0.1050 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#424DC5 #C5BA42
analogous
#428FC5 #424DC5 #7942C5
triadic
#424DC5 #C5424D #4DC542
tetradic
#424DC5 #C5428F #C5BA42 #42C579
square
#424DC5 #C5428F #C5BA42 #42C579
split-complementary
#424DC5 #C57942 #8FC542
monochromatic
#21276C #2F389A #424DC5 #7179D3 #A0A5E2

Accessibility & contrast

On white

6.78
#424DC5 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.10
#424DC5 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424DC5
6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##424DC5#FFFFFF#000000##FFFFFF
##424DC51.006.783.106.78
#FFFFFF6.781.0021.001.00
#0000003.1021.001.0021.00
##FFFFFF6.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0061C9
Deuteranopia (green-blind)
#0055C3
Tritanopia (blue-blind)
#006B81
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #424dc5;
/* rgb */ color: rgb(66, 77, 197);
/* oklch */ color: oklch(48.5% 0.185 273.3);
Tailwind
colors: {
  custom: {
    50: '#867fd7',
    500: '#424dc5',
    950: '#000000',
  },
}
SCSS
$custom: #424dc5;
$custom-light: #867fd7;
$custom-dark: #000000;
JSON
{
  "hex": "#424dc5",
  "rgb": {
    "r": 66,
    "g": 77,
    "b": 197
  },
  "hsl": {
    "h": 234.962,
    "s": 53.036,
    "l": 51.569
  },
  "oklch": {
    "l": 0.48535,
    "c": 0.18483,
    "h": 273.3
  },
  "luminance": 0.10497
}

Semantic roles & 50–950 ramp

primary
#424DC5
secondary
#CEC995
accent
#D04BDC
background
#F8F7FD
surface
#F0EEFA
border
#CBC9D3
text
#0C0A15
muted
#7D7C83

Preview Lab

Preview with #424DC5

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

Preview Lab → · Contrast checker → · Palette generator →

#424DC5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva