#424CA7#424CA7

#424CA7 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.0% C 0.145 H 274.5°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX#424CA7
RGBrgb(66, 76, 167)
HSLhsl(234, 43%, 46%)
HSVhsv(234, 60%, 65%)
CMYKcmyk(60.5%, 54.5%, 0%, 34.5%)
CIE-LABlab(36.21, 24.43, -50.41)
CIE-LCHlch(36.21, 56.02, 295.85°)
OKLaboklab(45.96% 0.0113 -0.1445)
OKLCHoklch(45.96% 0.145 274.5)
XYZxyz(11.8040, 9.1162, 37.6893)
Luminance0.0912 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#424CA7 #A79D42
analogous
#427FA7 #424CA7 #6A42A7
triadic
#424CA7 #A7424C #4CA742
tetradic
#424CA7 #A7427F #A79D42 #42A76A
square
#424CA7 #A7427F #A79D42 #42A76A
split-complementary
#424CA7 #A76A42 #7FA742
monochromatic
#1F244F #31387B #424CA7 #646EC2 #9097D3

Accessibility & contrast

On white

7.44
#424CA7 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.82
#424CA7 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424CA7
7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##424CA7#FFFFFF#000000##FFFFFF
##424CA71.007.442.827.44
#FFFFFF7.441.0021.001.00
#0000002.8221.001.0021.00
##FFFFFF7.441.0021.001.00

Color blindness preview

Protanopia (red-blind)
#105AAA
Deuteranopia (green-blind)
#0051A5
Tritanopia (blue-blind)
#006172
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #424ca7;
/* rgb */ color: rgb(66, 76, 167);
/* oklch */ color: oklch(46.0% 0.145 274.5);
Tailwind
colors: {
  custom: {
    50: '#807dc2',
    500: '#424ca7',
    950: '#000000',
  },
}
SCSS
$custom: #424ca7;
$custom-light: #807dc2;
$custom-dark: #000000;
JSON
{
  "hex": "#424ca7",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 167
  },
  "hsl": {
    "h": 234.059,
    "s": 43.348,
    "l": 45.686
  },
  "oklch": {
    "l": 0.45956,
    "c": 0.14498,
    "h": 274.5
  },
  "luminance": 0.09117
}

Semantic roles & 50–950 ramp

primary
#424CA7
secondary
#BEB986
accent
#C755D3
background
#F8F7FC
surface
#EFEEF8
border
#CAC9D1
text
#0B0912
muted
#7C7B81

Preview Lab

Preview with #424CA7

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

Preview Lab → · Contrast checker → · Palette generator →

#424CA7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva