#424BB9#424BB9

#424BB9 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.2% C 0.171 H 274.2°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#424BB9
RGB	rgb(66, 75, 185)
HSL	hsl(235, 47%, 49%)
HSV	hsv(235, 64%, 73%)
CMYK	cmyk(64.3%, 59.5%, 0%, 27.5%)
CIE-LAB	lab(37.28, 31.31, -59.33)
CIE-LCH	lch(37.28, 67.09, 297.82°)
OKLab	oklab(47.18% 0.0126 -0.1708)
OKLCH	oklch(47.18% 0.171 274.2)
XYZ	xyz(13.5169, 9.6920, 47.0480)
Luminance	0.0969 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424BB9 #B9B042

analogous

#4287B9 #424BB9 #7542B9

triadic

#424BB9 #B9424B #4BB942

tetradic

#424BB9 #B94287 #B9B042 #42B975

square

#424BB9 #B94287 #B9B042 #42B975

split-complementary

#424BB9 #B97542 #87B942

monochromatic

#22265F #32398C #424BB9 #6D74CB #9A9FDB

Accessibility & contrast

On white

7.15

#424BB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#424BB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424BB9

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424BB9	#FFFFFF	#000000	##FFFFFF
##424BB9	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBD

Deuteranopia (green-blind)

#0053B7

Tritanopia (blue-blind)

#00667B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #424bb9;
/* rgb */ color: rgb(66, 75, 185);
/* oklch */ color: oklch(47.2% 0.171 274.2);

Tailwind

colors: {
  custom: {
    50: '#837dcf',
    500: '#424bb9',
    950: '#000000',
  },
}

SCSS

$custom: #424bb9;
$custom-light: #837dcf;
$custom-dark: #000000;

JSON

{
  "hex": "#424bb9",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 185
  },
  "hsl": {
    "h": 235.462,
    "s": 47.41,
    "l": 49.216
  },
  "oklch": {
    "l": 0.4718,
    "c": 0.17125,
    "h": 274.2
  },
  "luminance": 0.09693
}

Semantic roles & 50–950 ramp

primary

#424BB9

secondary

#C7C390

accent

#CD51D7

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #424BB9

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

Preview Lab → · Contrast checker → · Palette generator →