#4742BA#4742BA

#4742BA is a mid, vivid blue. Relative luminance 0.088; OKLCH L 46.0% C 0.183 H 278.3°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#4742BA
RGB	rgb(71, 66, 186)
HSL	hsl(243, 48%, 49%)
HSV	hsv(243, 65%, 73%)
CMYK	cmyk(61.8%, 64.5%, 0%, 27.1%)
CIE-LAB	lab(35.56, 38.04, -62.72)
CIE-LCH	lch(35.56, 73.36, 301.24°)
OKLab	oklab(46.03% 0.0263 -0.1806)
OKLCH	oklch(46.03% 0.183 278.3)
XYZ	xyz(13.4068, 8.7802, 47.4331)
Luminance	0.0878 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.41

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4742BA #B5BA42

analogous

#4279BA #4742BA #8342BA

triadic

#4742BA #BA4742 #42BA47

tetradic

#4742BA #BA4279 #B5BA42 #42BA83

square

#4742BA #BA4279 #B5BA42 #42BA83

split-complementary

#4742BA #BA8342 #79BA42

monochromatic

#252260 #36328D #4742BA #726ECB #9E9BDB

Accessibility & contrast

On white

7.62

#4742BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#4742BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4742BA

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4742BA	#FFFFFF	#000000	##FFFFFF
##4742BA	1.00	7.62	2.76	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BE

Deuteranopia (green-blind)

#004FB8

Tritanopia (blue-blind)

#006078

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4742ba;
/* rgb */ color: rgb(71, 66, 186);
/* oklch */ color: oklch(46.0% 0.183 278.3);

Tailwind

colors: {
  custom: {
    50: '#8777d0',
    500: '#4742ba',
    950: '#000000',
  },
}

SCSS

$custom: #4742ba;
$custom-light: #8777d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4742ba",
  "rgb": {
    "r": 71,
    "g": 66,
    "b": 186
  },
  "hsl": {
    "h": 242.5,
    "s": 47.619,
    "l": 49.412
  },
  "oklch": {
    "l": 0.46026,
    "c": 0.18256,
    "h": 278.3
  },
  "luminance": 0.08781
}

Semantic roles & 50–950 ramp

primary

#4742BA

secondary

#C5C890

accent

#D751D2

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #4742BA

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

Preview Lab → · Contrast checker → · Palette generator →