#424CD3#424CD3

#424CD3 is a mid, highly saturated blue. Relative luminance 0.110; OKLCH L 49.6% C 0.204 H 273.0°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX#424CD3
RGBrgb(66, 76, 211)
HSLhsl(236, 62%, 54%)
HSVhsv(236, 69%, 83%)
CMYKcmyk(68.7%, 64%, 0%, 17.3%)
CIE-LABlab(39.63, 39.62, -70.63)
CIE-LCHlch(39.63, 80.99, 299.29°)
OKLaboklab(49.56% 0.0108 -0.2039)
OKLCHoklch(49.56% 0.204 273)
XYZxyz(16.5851, 11.0287, 62.8701)
Luminance0.1103 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#424CD3 #D3C942
analogous
#4295D3 #424CD3 #8142D3
triadic
#424CD3 #D3424C #4CD342
tetradic
#424CD3 #D34295 #D3C942 #42D381
square
#424CD3 #D34295 #D3C942 #42D381
split-complementary
#424CD3 #D38142 #95D342
monochromatic
#1D247D #2932AF #424CD3 #747BDF #A5AAEA

Accessibility & contrast

On white

6.55
#424CD3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.21
#424CD3 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424CD3
6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##424CD3#FFFFFF#000000##FFFFFF
##424CD31.006.553.216.55
#FFFFFF6.551.0021.001.00
#0000003.2121.001.0021.00
##FFFFFF6.551.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0064D7
Deuteranopia (green-blind)
#0057D0
Tritanopia (blue-blind)
#006F89
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #424cd3;
/* rgb */ color: rgb(66, 76, 211);
/* oklch */ color: oklch(49.6% 0.204 273.0);
Tailwind
colors: {
  custom: {
    50: '#897ee2',
    500: '#424cd3',
    950: '#000000',
  },
}
SCSS
$custom: #424cd3;
$custom-light: #897ee2;
$custom-dark: #000000;
JSON
{
  "hex": "#424cd3",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 211
  },
  "hsl": {
    "h": 235.862,
    "s": 62.232,
    "l": 54.314
  },
  "oklch": {
    "l": 0.4956,
    "c": 0.20421,
    "h": 273
  },
  "luminance": 0.1103
}

Semantic roles & 50–950 ramp

primary
#424CD3
secondary
#D7D39A
accent
#DA42E5
background
#F9F7FE
surface
#F1EEFC
border
#CBC9D5
text
#0D0A15
muted
#7E7C84

Preview Lab

Preview with #424CD3

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

Preview Lab → · Contrast checker → · Palette generator →

#424CD3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva