#424EA7#424EA7

#424EA7 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.4% C 0.142 H 273.7°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#424EA7
RGB	rgb(66, 78, 167)
HSL	hsl(233, 43%, 46%)
HSV	hsv(233, 60%, 65%)
CMYK	cmyk(60.5%, 53.3%, 0%, 34.5%)
CIE-LAB	lab(36.74, 23.13, -49.56)
CIE-LCH	lch(36.74, 54.69, 295.02°)
OKLab	oklab(46.35% 0.0092 -0.142)
OKLCH	oklch(46.35% 0.142 273.7)
XYZ	xyz(11.9439, 9.3961, 37.7359)
Luminance	0.0940 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424EA7 #A79B42

analogous

#4280A7 #424EA7 #6842A7

triadic

#424EA7 #A7424E #4EA742

tetradic

#424EA7 #A74280 #A79B42 #42A768

square

#424EA7 #A74280 #A79B42 #42A768

split-complementary

#424EA7 #A76842 #80A742

monochromatic

#1F254F #313A7B #424EA7 #646FC2 #9098D3

Accessibility & contrast

On white

7.29

#424EA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#424EA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424EA7

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424EA7	#FFFFFF	#000000	##FFFFFF
##424EA7	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#185BAA

Deuteranopia (green-blind)

#0052A5

Tritanopia (blue-blind)

#006373

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #424ea7;
/* rgb */ color: rgb(66, 78, 167);
/* oklch */ color: oklch(46.4% 0.142 273.7);

Tailwind

colors: {
  custom: {
    50: '#807fc2',
    500: '#424ea7',
    950: '#000000',
  },
}

SCSS

$custom: #424ea7;
$custom-light: #807fc2;
$custom-dark: #000000;

JSON

{
  "hex": "#424ea7",
  "rgb": {
    "r": 66,
    "g": 78,
    "b": 167
  },
  "hsl": {
    "h": 232.871,
    "s": 43.348,
    "l": 45.686
  },
  "oklch": {
    "l": 0.46354,
    "c": 0.1423,
    "h": 273.7
  },
  "luminance": 0.09397
}

Semantic roles & 50–950 ramp

primary

#424EA7

secondary

#BEB886

accent

#C455D3

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #424EA7

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

Preview Lab → · Contrast checker → · Palette generator →