#424FA8#424FA8

#424FA8 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.6% C 0.142 H 273.3°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#424FA8
RGB	rgb(66, 79, 168)
HSL	hsl(232, 44%, 46%)
HSV	hsv(232, 61%, 66%)
CMYK	cmyk(60.7%, 53%, 0%, 34.1%)
CIE-LAB	lab(37.07, 22.83, -49.62)
CIE-LCH	lch(37.07, 54.62, 294.71°)
OKLab	oklab(46.63% 0.0083 -0.1421)
OKLCH	oklch(46.63% 0.142 273.3)
XYZ	xyz(12.1083, 9.5764, 38.2486)
Luminance	0.0958 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424FA8 #A89B42

analogous

#4282A8 #424FA8 #6842A8

triadic

#424FA8 #A8424F #4FA842

tetradic

#424FA8 #A84282 #A89B42 #42A868

square

#424FA8 #A84282 #A89B42 #42A868

split-complementary

#424FA8 #A86842 #82A842

monochromatic

#1F2650 #313A7C #424FA8 #6571C2 #9199D4

Accessibility & contrast

On white

7.20

#424FA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#424FA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424FA8

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424FA8	#FFFFFF	#000000	##FFFFFF
##424FA8	1.00	7.20	2.92	7.20
#FFFFFF	7.20	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A5CAB

Deuteranopia (green-blind)

#0053A6

Tritanopia (blue-blind)

#006474

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #424fa8;
/* rgb */ color: rgb(66, 79, 168);
/* oklch */ color: oklch(46.6% 0.142 273.3);

Tailwind

colors: {
  custom: {
    50: '#8080c2',
    500: '#424fa8',
    950: '#000000',
  },
}

SCSS

$custom: #424fa8;
$custom-light: #8080c2;
$custom-dark: #000000;

JSON

{
  "hex": "#424fa8",
  "rgb": {
    "r": 66,
    "g": 79,
    "b": 168
  },
  "hsl": {
    "h": 232.353,
    "s": 43.59,
    "l": 45.882
  },
  "oklch": {
    "l": 0.46628,
    "c": 0.14239,
    "h": 273.3
  },
  "luminance": 0.09577
}

Semantic roles & 50–950 ramp

primary

#424FA8

secondary

#BFB887

accent

#C354D3

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #424FA8

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

Preview Lab → · Contrast checker → · Palette generator →