#424AD8#424AD8

#424AD8 is a mid, highly saturated blue. Relative luminance 0.110; OKLCH L 49.7% C 0.213 H 273.2°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX#424AD8
RGBrgb(66, 74, 216)
HSLhsl(237, 66%, 55%)
HSVhsv(237, 69%, 85%)
CMYKcmyk(69.4%, 65.7%, 0%, 15.3%)
CIE-LABlab(39.60, 42.53, -73.55)
CIE-LCHlch(39.60, 84.96, 300.04°)
OKLaboklab(49.67% 0.0117 -0.2125)
OKLCHoklch(49.67% 0.213 273.2)
XYZxyz(17.0861, 11.0120, 66.1775)
Luminance0.1101 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#424AD8 #D8D042
analogous
#4295D8 #424AD8 #8542D8
triadic
#424AD8 #D8424A #4AD842
tetradic
#424AD8 #D84295 #D8D042 #42D885
square
#424AD8 #D84295 #D8D042 #42D885
split-complementary
#424AD8 #D88542 #95D842
monochromatic
#1B2184 #262EB7 #424AD8 #757BE2 #A7ABED

Accessibility & contrast

On white

6.56
#424AD8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.20
#424AD8 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424AD8
6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##424AD8#FFFFFF#000000##FFFFFF
##424AD81.006.563.206.56
#FFFFFF6.561.0021.001.00
#0000003.2021.001.0021.00
##FFFFFF6.561.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0064DC
Deuteranopia (green-blind)
#0056D5
Tritanopia (blue-blind)
#00708B
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #424ad8;
/* rgb */ color: rgb(66, 74, 216);
/* oklch */ color: oklch(49.7% 0.213 273.2);
Tailwind
colors: {
  custom: {
    50: '#8a7de5',
    500: '#424ad8',
    950: '#000000',
  },
}
SCSS
$custom: #424ad8;
$custom-light: #8a7de5;
$custom-dark: #000000;
JSON
{
  "hex": "#424ad8",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 216
  },
  "hsl": {
    "h": 236.8,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.49671,
    "c": 0.21281,
    "h": 273.2
  },
  "luminance": 0.11014
}

Semantic roles & 50–950 ramp

primary
#424AD8
secondary
#DAD79C
accent
#E03FE9
background
#F9F7FE
surface
#F2EEFC
border
#CCC9D5
text
#0D0916
muted
#7E7B84

Preview Lab

Preview with #424AD8

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

Preview Lab → · Contrast checker → · Palette generator →

#424AD8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva