#424FA9#424FA9

#424FA9 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.7% C 0.144 H 273.3°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#424FA9
RGB	rgb(66, 79, 169)
HSL	hsl(232, 44%, 46%)
HSV	hsv(232, 61%, 66%)
CMYK	cmyk(60.9%, 53.3%, 0%, 33.7%)
CIE-LAB	lab(37.14, 23.18, -50.10)
CIE-LCH	lch(37.14, 55.20, 294.83°)
OKLab	oklab(46.7% 0.0084 -0.1436)
OKLCH	oklch(46.7% 0.144 273.3)
XYZ	xyz(12.2018, 9.6138, 38.7411)
Luminance	0.0961 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424FA9 #A99C42

analogous

#4282A9 #424FA9 #6842A9

triadic

#424FA9 #A9424F #4FA942

tetradic

#424FA9 #A94282 #A99C42 #42A968

square

#424FA9 #A94282 #A99C42 #42A968

split-complementary

#424FA9 #A96842 #82A942

monochromatic

#202651 #313A7D #424FA9 #6571C3 #919AD4

Accessibility & contrast

On white

7.18

#424FA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#424FA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424FA9

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424FA9	#FFFFFF	#000000	##FFFFFF
##424FA9	1.00	7.18	2.92	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#185CAC

Deuteranopia (green-blind)

#0053A7

Tritanopia (blue-blind)

#006474

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #424fa9;
/* rgb */ color: rgb(66, 79, 169);
/* oklch */ color: oklch(46.7% 0.144 273.3);

Tailwind

colors: {
  custom: {
    50: '#8080c3',
    500: '#424fa9',
    950: '#000000',
  },
}

SCSS

$custom: #424fa9;
$custom-light: #8080c3;
$custom-dark: #000000;

JSON

{
  "hex": "#424fa9",
  "rgb": {
    "r": 66,
    "g": 79,
    "b": 169
  },
  "hsl": {
    "h": 232.427,
    "s": 43.83,
    "l": 46.078
  },
  "oklch": {
    "l": 0.46702,
    "c": 0.14382,
    "h": 273.3
  },
  "luminance": 0.09615
}

Semantic roles & 50–950 ramp

primary

#424FA9

secondary

#C0B887

accent

#C354D4

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #424FA9

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

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