#424BC3#424BC3

#424BC3 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 48.0% C 0.185 H 273.8°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX#424BC3
RGBrgb(66, 75, 195)
HSLhsl(236, 52%, 51%)
HSVhsv(236, 66%, 76%)
CMYKcmyk(66.2%, 61.5%, 0%, 23.5%)
CIE-LABlab(38.07, 34.76, -63.90)
CIE-LCHlch(38.07, 72.75, 298.55°)
OKLaboklab(48.01% 0.0124 -0.1842)
OKLCHoklch(48.01% 0.185 273.8)
XYZxyz(14.6099, 10.1292, 52.8044)
Luminance0.1013 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#424BC3 #C3BA42
analogous
#428BC3 #424BC3 #7942C3
triadic
#424BC3 #C3424B #4BC342
tetradic
#424BC3 #C3428B #C3BA42 #42C379
square
#424BC3 #C3428B #C3BA42 #42C379
split-complementary
#424BC3 #C37942 #8BC342
monochromatic
#212669 #303798 #424BC3 #7077D2 #9FA3E0

Accessibility & contrast

On white

6.94
#424BC3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.03
#424BC3 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424BC3
6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##424BC3#FFFFFF#000000##FFFFFF
##424BC31.006.943.036.94
#FFFFFF6.941.0021.001.00
#0000003.0321.001.0021.00
##FFFFFF6.941.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0060C7
Deuteranopia (green-blind)
#0054C1
Tritanopia (blue-blind)
#006980
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #424bc3;
/* rgb */ color: rgb(66, 75, 195);
/* oklch */ color: oklch(48.0% 0.185 273.8);
Tailwind
colors: {
  custom: {
    50: '#857dd6',
    500: '#424bc3',
    950: '#000000',
  },
}
SCSS
$custom: #424bc3;
$custom-light: #857dd6;
$custom-dark: #000000;
JSON
{
  "hex": "#424bc3",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 195
  },
  "hsl": {
    "h": 235.814,
    "s": 51.807,
    "l": 51.176
  },
  "oklch": {
    "l": 0.4801,
    "c": 0.18462,
    "h": 273.8
  },
  "luminance": 0.10131
}

Semantic roles & 50–950 ramp

primary
#424BC3
secondary
#CDC994
accent
#D14DDB
background
#F8F7FD
surface
#F0EEFA
border
#CBC9D3
text
#0C0914
muted
#7D7B83

Preview Lab

Preview with #424BC3

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

Preview Lab → · Contrast checker → · Palette generator →

#424BC3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva