#424BB3#424BB3

#424BB3 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.7% C 0.163 H 274.4°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#424BB3
RGB	rgb(66, 75, 179)
HSL	hsl(235, 46%, 48%)
HSV	hsv(235, 63%, 70%)
CMYK	cmyk(63.1%, 58.1%, 0%, 29.8%)
CIE-LAB	lab(36.83, 29.24, -56.54)
CIE-LCH	lch(36.83, 63.65, 297.34°)
OKLab	oklab(46.7% 0.0126 -0.1626)
OKLCH	oklch(46.7% 0.163 274.4)
XYZ	xyz(12.8968, 9.4440, 43.7823)
Luminance	0.0945 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424BB3 #B3AA42

analogous

#4283B3 #424BB3 #7142B3

triadic

#424BB3 #B3424B #4BB342

tetradic

#424BB3 #B34283 #B3AA42 #42B371

square

#424BB3 #B34283 #B3AA42 #42B371

split-complementary

#424BB3 #B37142 #83B342

monochromatic

#21265A #323886 #424BB3 #6A72C8 #979CD9

Accessibility & contrast

On white

7.27

#424BB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#424BB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424BB3

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424BB3	#FFFFFF	#000000	##FFFFFF
##424BB3	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB6

Deuteranopia (green-blind)

#0052B1

Tritanopia (blue-blind)

#006477

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #424bb3;
/* rgb */ color: rgb(66, 75, 179);
/* oklch */ color: oklch(46.7% 0.163 274.4);

Tailwind

colors: {
  custom: {
    50: '#827dca',
    500: '#424bb3',
    950: '#000000',
  },
}

SCSS

$custom: #424bb3;
$custom-light: #827dca;
$custom-dark: #000000;

JSON

{
  "hex": "#424bb3",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 179
  },
  "hsl": {
    "h": 235.221,
    "s": 46.122,
    "l": 48.039
  },
  "oklch": {
    "l": 0.46696,
    "c": 0.16306,
    "h": 274.4
  },
  "luminance": 0.09445
}

Semantic roles & 50–950 ramp

primary

#424BB3

secondary

#C4C08C

accent

#CB52D6

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0C0913

muted

#7D7B82

Preview Lab

Preview with #424BB3

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

Preview Lab → · Contrast checker → · Palette generator →