#424BBC#424BBC

#424BBC is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.4% C 0.175 H 274.1°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#424BBC
RGB	rgb(66, 75, 188)
HSL	hsl(236, 48%, 50%)
HSV	hsv(236, 65%, 74%)
CMYK	cmyk(64.9%, 60.1%, 0%, 26.3%)
CIE-LAB	lab(37.52, 32.35, -60.71)
CIE-LCH	lch(37.52, 68.80, 298.05°)
OKLab	oklab(47.43% 0.0126 -0.1748)
OKLCH	oklch(47.43% 0.175 274.1)
XYZ	xyz(13.8369, 9.8200, 48.7335)
Luminance	0.0982 (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

#424BBC #BCB342

analogous

#4288BC #424BBC #7642BC

triadic

#424BBC #BC424B #4BBC42

tetradic

#424BBC #BC4288 #BCB342 #42BC76

square

#424BBC #BC4288 #BCB342 #42BC76

split-complementary

#424BBC #BC7642 #88BC42

monochromatic

#222761 #32398F #424BBC #6F76CC #9CA1DC

Accessibility & contrast

On white

7.08

#424BBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#424BBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424BBC

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424BBC	#FFFFFF	#000000	##FFFFFF
##424BBC	1.00	7.08	2.96	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EC0

Deuteranopia (green-blind)

#0053BA

Tritanopia (blue-blind)

#00677C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #424bbc;
/* rgb */ color: rgb(66, 75, 188);
/* oklch */ color: oklch(47.4% 0.175 274.1);

Tailwind

colors: {
  custom: {
    50: '#847dd1',
    500: '#424bbc',
    950: '#000000',
  },
}

SCSS

$custom: #424bbc;
$custom-light: #847dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#424bbc",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 188
  },
  "hsl": {
    "h": 235.574,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.47426,
    "c": 0.17529,
    "h": 274.1
  },
  "luminance": 0.09821
}

Semantic roles & 50–950 ramp

primary

#424BBC

secondary

#C9C491

accent

#CE50D8

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #424BBC

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

Preview Lab → · Contrast checker → · Palette generator →