#424AB7#424AB7

#424AB7 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.8% C 0.170 H 274.6°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#424AB7
RGB	rgb(66, 74, 183)
HSL	hsl(236, 47%, 49%)
HSV	hsv(236, 64%, 72%)
CMYK	cmyk(63.9%, 59.6%, 0%, 28.2%)
CIE-LAB	lab(36.88, 31.26, -58.81)
CIE-LCH	lch(36.88, 66.60, 297.99°)
OKLab	oklab(46.83% 0.0135 -0.1693)
OKLCH	oklch(46.83% 0.17 274.6)
XYZ	xyz(13.2400, 9.4736, 45.9214)
Luminance	0.0948 (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

#424AB7 #B7AF42

analogous

#4285B7 #424AB7 #7542B7

triadic

#424AB7 #B7424A #4AB742

tetradic

#424AB7 #B74285 #B7AF42 #42B775

square

#424AB7 #B74285 #B7AF42 #42B775

split-complementary

#424AB7 #B77542 #85B742

monochromatic

#22265D #32388A #424AB7 #6C73CA #999EDA

Accessibility & contrast

On white

7.25

#424AB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#424AB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424AB7

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424AB7	#FFFFFF	#000000	##FFFFFF
##424AB7	1.00	7.25	2.89	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CBB

Deuteranopia (green-blind)

#0052B5

Tritanopia (blue-blind)

#006579

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #424ab7;
/* rgb */ color: rgb(66, 74, 183);
/* oklch */ color: oklch(46.8% 0.170 274.6);

Tailwind

colors: {
  custom: {
    50: '#837ccd',
    500: '#424ab7',
    950: '#000000',
  },
}

SCSS

$custom: #424ab7;
$custom-light: #837ccd;
$custom-dark: #000000;

JSON

{
  "hex": "#424ab7",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 183
  },
  "hsl": {
    "h": 235.897,
    "s": 46.988,
    "l": 48.824
  },
  "oklch": {
    "l": 0.46833,
    "c": 0.1698,
    "h": 274.6
  },
  "luminance": 0.09475
}

Semantic roles & 50–950 ramp

primary

#424AB7

secondary

#C6C28F

accent

#CD51D7

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #424AB7

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

Preview Lab → · Contrast checker → · Palette generator →