#424CBA#424CBA

#424CBA is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.4% C 0.171 H 273.9°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#424CBA
RGB	rgb(66, 76, 186)
HSL	hsl(235, 48%, 49%)
HSV	hsv(235, 65%, 73%)
CMYK	cmyk(64.5%, 59.1%, 0%, 27.1%)
CIE-LAB	lab(37.61, 31.02, -59.39)
CIE-LCH	lch(37.61, 67.01, 297.58°)
OKLab	oklab(47.45% 0.0117 -0.1709)
OKLCH	oklch(47.45% 0.171 273.9)
XYZ	xyz(13.6912, 9.8711, 47.6287)
Luminance	0.0987 (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

#424CBA #BAB042

analogous

#4288BA #424CBA #7442BA

triadic

#424CBA #BA424C #4CBA42

tetradic

#424CBA #BA4288 #BAB042 #42BA74

square

#424CBA #BA4288 #BAB042 #42BA74

split-complementary

#424CBA #BA7442 #88BA42

monochromatic

#222760 #323A8D #424CBA #6E76CB #9BA0DB

Accessibility & contrast

On white

7.06

#424CBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#424CBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424CBA

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424CBA	#FFFFFF	#000000	##FFFFFF
##424CBA	1.00	7.06	2.97	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EBE

Deuteranopia (green-blind)

#0053B8

Tritanopia (blue-blind)

#00677B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #424cba;
/* rgb */ color: rgb(66, 76, 186);
/* oklch */ color: oklch(47.4% 0.171 273.9);

Tailwind

colors: {
  custom: {
    50: '#847ed0',
    500: '#424cba',
    950: '#000000',
  },
}

SCSS

$custom: #424cba;
$custom-light: #847ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#424cba",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 186
  },
  "hsl": {
    "h": 235,
    "s": 47.619,
    "l": 49.412
  },
  "oklch": {
    "l": 0.47446,
    "c": 0.17134,
    "h": 273.9
  },
  "luminance": 0.09872
}

Semantic roles & 50–950 ramp

primary

#424CBA

secondary

#C8C390

accent

#CC51D7

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #424CBA

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

Preview Lab → · Contrast checker → · Palette generator →