#424BA0#424BA0

#424BA0 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.2% C 0.136 H 275.0°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#424BA0
RGB	rgb(66, 75, 160)
HSL	hsl(234, 42%, 44%)
HSV	hsv(234, 59%, 63%)
CMYK	cmyk(58.8%, 53.1%, 0%, 37.3%)
CIE-LAB	lab(35.45, 22.65, -47.44)
CIE-LCH	lch(35.45, 52.57, 295.53°)
OKLab	oklab(45.24% 0.0119 -0.1358)
OKLCH	oklch(45.24% 0.136 275)
XYZ	xyz(11.1059, 8.7277, 34.3503)
Luminance	0.0873 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424BA0 #A09742

analogous

#427AA0 #424BA0 #6842A0

triadic

#424BA0 #A0424B #4BA042

tetradic

#424BA0 #A0427A #A09742 #42A068

square

#424BA0 #A0427A #A09742 #42A068

split-complementary

#424BA0 #A06842 #7AA042

monochromatic

#1E2249 #303775 #424BA0 #616ABE #8D93D0

Accessibility & contrast

On white

7.65

#424BA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#424BA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424BA0

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424BA0	#FFFFFF	#000000	##FFFFFF
##424BA0	1.00	7.65	2.75	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A57A3

Deuteranopia (green-blind)

#01509E

Tritanopia (blue-blind)

#015E6E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #424ba0;
/* rgb */ color: rgb(66, 75, 160);
/* oklch */ color: oklch(45.2% 0.136 275.0);

Tailwind

colors: {
  custom: {
    50: '#7f7dbd',
    500: '#424ba0',
    950: '#000000',
  },
}

SCSS

$custom: #424ba0;
$custom-light: #7f7dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#424ba0",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 160
  },
  "hsl": {
    "h": 234.255,
    "s": 41.593,
    "l": 44.314
  },
  "oklch": {
    "l": 0.45236,
    "c": 0.13631,
    "h": 275
  },
  "luminance": 0.08728
}

Semantic roles & 50–950 ramp

primary

#424BA0

secondary

#BBB683

accent

#C656D1

background

#F8F7FB

surface

#EFEEF6

border

#CAC9D0

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #424BA0

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

Preview Lab → · Contrast checker → · Palette generator →