#424AD1#424AD1

#424AD1 is a mid, highly saturated blue. Relative luminance 0.107; OKLCH L 49.0% C 0.204 H 273.5°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX#424AD1
RGBrgb(66, 74, 209)
HSLhsl(237, 61%, 54%)
HSVhsv(237, 68%, 82%)
CMYKcmyk(68.4%, 64.6%, 0%, 18%)
CIE-LABlab(39.00, 40.16, -70.51)
CIE-LCHlch(39.00, 81.15, 299.67°)
OKLaboklab(49.05% 0.0123 -0.2036)
OKLCHoklch(49.05% 0.204 273.5)
XYZxyz(16.2003, 10.6577, 61.5126)
Luminance0.1066 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#424AD1 #D1C942
analogous
#4292D1 #424AD1 #8242D1
triadic
#424AD1 #D1424A #4AD142
tetradic
#424AD1 #D14292 #D1C942 #42D182
square
#424AD1 #D14292 #D1C942 #42D182
split-complementary
#424AD1 #D18242 #92D142
monochromatic
#1E237B #2A31AC #424AD1 #7379DD #A4A8E9

Accessibility & contrast

On white

6.71
#424AD1 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.13
#424AD1 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424AD1
6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##424AD1#FFFFFF#000000##FFFFFF
##424AD11.006.713.136.71
#FFFFFF6.711.0021.001.00
#0000003.1321.001.0021.00
##FFFFFF6.711.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0062D5
Deuteranopia (green-blind)
#0055CE
Tritanopia (blue-blind)
#006D87
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #424ad1;
/* rgb */ color: rgb(66, 74, 209);
/* oklch */ color: oklch(49.0% 0.204 273.5);
Tailwind
colors: {
  custom: {
    50: '#887de0',
    500: '#424ad1',
    950: '#000000',
  },
}
SCSS
$custom: #424ad1;
$custom-light: #887de0;
$custom-dark: #000000;
JSON
{
  "hex": "#424ad1",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 209
  },
  "hsl": {
    "h": 236.643,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.49047,
    "c": 0.20396,
    "h": 273.5
  },
  "luminance": 0.10659
}

Semantic roles & 50–950 ramp

primary
#424AD1
secondary
#D6D299
accent
#DB44E4
background
#F9F7FD
surface
#F1EEFB
border
#CBC9D4
text
#0D0915
muted
#7E7B83

Preview Lab

Preview with #424AD1

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

Preview Lab → · Contrast checker → · Palette generator →

#424AD1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva