#424FA4#424FA4

#424FA4 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.3% C 0.137 H 273.3°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#424FA4
RGB	rgb(66, 79, 164)
HSL	hsl(232, 43%, 45%)
HSV	hsv(232, 60%, 64%)
CMYK	cmyk(59.8%, 51.8%, 0%, 35.7%)
CIE-LAB	lab(36.80, 21.44, -47.67)
CIE-LCH	lch(36.80, 52.27, 294.21°)
OKLab	oklab(46.34% 0.008 -0.1364)
OKLCH	oklch(46.34% 0.137 273.3)
XYZ	xyz(11.7414, 9.4296, 36.3161)
Luminance	0.0943 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424FA4 #A49742

analogous

#4280A4 #424FA4 #6642A4

triadic

#424FA4 #A4424F #4FA442

tetradic

#424FA4 #A44280 #A49742 #42A466

square

#424FA4 #A44280 #A49742 #42A466

split-complementary

#424FA4 #A46642 #80A442

monochromatic

#1F254D #303A78 #424FA4 #636FC0 #8F98D2

Accessibility & contrast

On white

7.28

#424FA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#424FA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424FA4

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424FA4	#FFFFFF	#000000	##FFFFFF
##424FA4	1.00	7.28	2.89	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#205BA7

Deuteranopia (green-blind)

#0953A2

Tritanopia (blue-blind)

#006272

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #424fa4;
/* rgb */ color: rgb(66, 79, 164);
/* oklch */ color: oklch(46.3% 0.137 273.3);

Tailwind

colors: {
  custom: {
    50: '#7f80bf',
    500: '#424fa4',
    950: '#000000',
  },
}

SCSS

$custom: #424fa4;
$custom-light: #7f80bf;
$custom-dark: #000000;

JSON

{
  "hex": "#424fa4",
  "rgb": {
    "r": 66,
    "g": 79,
    "b": 164
  },
  "hsl": {
    "h": 232.041,
    "s": 42.609,
    "l": 45.098
  },
  "oklch": {
    "l": 0.46335,
    "c": 0.13665,
    "h": 273.3
  },
  "luminance": 0.09431
}

Semantic roles & 50–950 ramp

primary

#424FA4

secondary

#BDB685

accent

#C255D2

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #424FA4

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

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