#424CA9#424CA9

#424CA9 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.1% C 0.148 H 274.4°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#424CA9
RGB	rgb(66, 76, 169)
HSL	hsl(234, 44%, 46%)
HSV	hsv(234, 61%, 66%)
CMYK	cmyk(60.9%, 55%, 0%, 33.7%)
CIE-LAB	lab(36.35, 25.12, -51.38)
CIE-LCH	lch(36.35, 57.19, 296.06°)
OKLab	oklab(46.11% 0.0114 -0.1474)
OKLCH	oklch(46.11% 0.148 274.4)
XYZ	xyz(11.9903, 9.1908, 38.6706)
Luminance	0.0919 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424CA9 #A99F42

analogous

#427FA9 #424CA9 #6B42A9

triadic

#424CA9 #A9424C #4CA942

tetradic

#424CA9 #A9427F #A99F42 #42A96B

square

#424CA9 #A9427F #A99F42 #42A96B

split-complementary

#424CA9 #A96B42 #7FA942

monochromatic

#202451 #31387D #424CA9 #656EC3 #9198D4

Accessibility & contrast

On white

7.40

#424CA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#424CA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424CA9

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424CA9	#FFFFFF	#000000	##FFFFFF
##424CA9	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A5AAC

Deuteranopia (green-blind)

#0051A7

Tritanopia (blue-blind)

#006273

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #424ca9;
/* rgb */ color: rgb(66, 76, 169);
/* oklch */ color: oklch(46.1% 0.148 274.4);

Tailwind

colors: {
  custom: {
    50: '#807dc3',
    500: '#424ca9',
    950: '#000000',
  },
}

SCSS

$custom: #424ca9;
$custom-light: #807dc3;
$custom-dark: #000000;

JSON

{
  "hex": "#424ca9",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 169
  },
  "hsl": {
    "h": 234.175,
    "s": 43.83,
    "l": 46.078
  },
  "oklch": {
    "l": 0.46108,
    "c": 0.14781,
    "h": 274.4
  },
  "luminance": 0.09192
}

Semantic roles & 50–950 ramp

primary

#424CA9

secondary

#C0BA87

accent

#C754D4

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #424CA9

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

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