#424EA0#424EA0

#424EA0 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.8% C 0.132 H 273.8°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#424EA0
RGB	rgb(66, 78, 160)
HSL	hsl(232, 42%, 44%)
HSV	hsv(232, 59%, 63%)
CMYK	cmyk(58.8%, 51.2%, 0%, 37.3%)
CIE-LAB	lab(36.26, 20.70, -46.14)
CIE-LCH	lch(36.26, 50.57, 294.16°)
OKLab	oklab(45.84% 0.0087 -0.1319)
OKLCH	oklch(45.84% 0.132 273.8)
XYZ	xyz(11.3142, 9.1442, 34.4197)
Luminance	0.0915 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424EA0 #A09442

analogous

#427DA0 #424EA0 #6542A0

triadic

#424EA0 #A0424E #4EA042

tetradic

#424EA0 #A0427D #A09442 #42A065

square

#424EA0 #A0427D #A09442 #42A065

split-complementary

#424EA0 #A06542 #7DA042

monochromatic

#1E2449 #303975 #424EA0 #616DBE #8D95D0

Accessibility & contrast

On white

7.42

#424EA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#424EA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424EA0

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424EA0	#FFFFFF	#000000	##FFFFFF
##424EA0	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2359A3

Deuteranopia (green-blind)

#11519E

Tritanopia (blue-blind)

#00616F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #424ea0;
/* rgb */ color: rgb(66, 78, 160);
/* oklch */ color: oklch(45.8% 0.132 273.8);

Tailwind

colors: {
  custom: {
    50: '#7f7fbd',
    500: '#424ea0',
    950: '#000000',
  },
}

SCSS

$custom: #424ea0;
$custom-light: #7f7fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#424ea0",
  "rgb": {
    "r": 66,
    "g": 78,
    "b": 160
  },
  "hsl": {
    "h": 232.34,
    "s": 41.593,
    "l": 44.314
  },
  "oklch": {
    "l": 0.45843,
    "c": 0.13221,
    "h": 273.8
  },
  "luminance": 0.09145
}

Semantic roles & 50–950 ramp

primary

#424EA0

secondary

#BBB483

accent

#C256D1

background

#F8F7FB

surface

#EFEEF6

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #424EA0

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

Preview Lab → · Contrast checker → · Palette generator →