#424BC9#424BC9

#424BC9 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.5% C 0.192 H 273.6°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX#424BC9
RGBrgb(66, 75, 201)
HSLhsl(236, 56%, 52%)
HSVhsv(236, 67%, 79%)
CMYKcmyk(67.2%, 62.7%, 0%, 21.2%)
CIE-LABlab(38.56, 36.82, -66.60)
CIE-LCHlch(38.56, 76.10, 298.94°)
OKLaboklab(48.52% 0.0121 -0.1921)
OKLCHoklch(48.52% 0.192 273.6)
XYZxyz(15.3019, 10.4061, 56.4492)
Luminance0.1041 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#424BC9 #C9C042
analogous
#428FC9 #424BC9 #7D42C9
triadic
#424BC9 #C9424B #4BC942
tetradic
#424BC9 #C9428F #C9C042 #42C97D
square
#424BC9 #C9428F #C9C042 #42C97D
split-complementary
#424BC9 #C97D42 #8FC942
monochromatic
#202570 #2E35A0 #424BC9 #7278D7 #A1A6E4

Accessibility & contrast

On white

6.82
#424BC9 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.08
#424BC9 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424BC9
6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##424BC9#FFFFFF#000000##FFFFFF
##424BC91.006.823.086.82
#FFFFFF6.821.0021.001.00
#0000003.0821.001.0021.00
##FFFFFF6.821.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0061CD
Deuteranopia (green-blind)
#0055C7
Tritanopia (blue-blind)
#006B83
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #424bc9;
/* rgb */ color: rgb(66, 75, 201);
/* oklch */ color: oklch(48.5% 0.192 273.6);
Tailwind
colors: {
  custom: {
    50: '#877dda',
    500: '#424bc9',
    950: '#000000',
  },
}
SCSS
$custom: #424bc9;
$custom-light: #877dda;
$custom-dark: #000000;
JSON
{
  "hex": "#424bc9",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 201
  },
  "hsl": {
    "h": 236,
    "s": 55.556,
    "l": 52.353
  },
  "oklch": {
    "l": 0.4852,
    "c": 0.19249,
    "h": 273.6
  },
  "luminance": 0.10407
}

Semantic roles & 50–950 ramp

primary
#424BC9
secondary
#D1CD96
accent
#D549DF
background
#F8F7FD
surface
#F0EEFB
border
#CBC9D4
text
#0D0915
muted
#7D7B83

Preview Lab

Preview with #424BC9

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

Preview Lab → · Contrast checker → · Palette generator →

#424BC9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva