#424FA3#424FA3

#424FA3 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.3% C 0.135 H 273.3°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#424FA3
RGB	rgb(66, 79, 163)
HSL	hsl(232, 42%, 45%)
HSV	hsv(232, 60%, 64%)
CMYK	cmyk(59.5%, 51.5%, 0%, 36.1%)
CIE-LAB	lab(36.73, 21.09, -47.18)
CIE-LCH	lch(36.73, 51.68, 294.09°)
OKLab	oklab(46.26% 0.0079 -0.135)
OKLCH	oklch(46.26% 0.135 273.3)
XYZ	xyz(11.6514, 9.3937, 35.8424)
Luminance	0.0940 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424FA3 #A39642

analogous

#427FA3 #424FA3 #6642A3

triadic

#424FA3 #A3424F #4FA342

tetradic

#424FA3 #A3427F #A39642 #42A366

square

#424FA3 #A3427F #A39642 #42A366

split-complementary

#424FA3 #A36642 #7FA342

monochromatic

#1F254C #303A77 #424FA3 #636FC0 #8E97D1

Accessibility & contrast

On white

7.29

#424FA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#424FA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424FA3

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424FA3	#FFFFFF	#000000	##FFFFFF
##424FA3	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)

#215BA6

Deuteranopia (green-blind)

#0C52A1

Tritanopia (blue-blind)

#006271

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #424fa3;
/* rgb */ color: rgb(66, 79, 163);
/* oklch */ color: oklch(46.3% 0.135 273.3);

Tailwind

colors: {
  custom: {
    50: '#7f80bf',
    500: '#424fa3',
    950: '#000000',
  },
}

SCSS

$custom: #424fa3;
$custom-light: #7f80bf;
$custom-dark: #000000;

JSON

{
  "hex": "#424fa3",
  "rgb": {
    "r": 66,
    "g": 79,
    "b": 163
  },
  "hsl": {
    "h": 231.959,
    "s": 42.358,
    "l": 44.902
  },
  "oklch": {
    "l": 0.46263,
    "c": 0.13521,
    "h": 273.3
  },
  "luminance": 0.09395
}

Semantic roles & 50–950 ramp

primary

#424FA3

secondary

#BCB584

accent

#C156D2

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #424FA3

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

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