#4047BE#4047BE

#4047BE is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.8% C 0.183 H 274.2°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#4047BE
RGB	rgb(64, 71, 190)
HSL	hsl(237, 50%, 50%)
HSV	hsv(237, 66%, 75%)
CMYK	cmyk(66.3%, 62.6%, 0%, 25.5%)
CIE-LAB	lab(36.58, 35.26, -63.42)
CIE-LCH	lch(36.58, 72.56, 299.07°)
OKLab	oklab(46.75% 0.0135 -0.1829)
OKLCH	oklch(46.75% 0.183 274.2)
XYZ	xyz(13.6588, 9.3130, 49.7830)
Luminance	0.0931 (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

#4047BE #BEB740

analogous

#4086BE #4047BE #7840BE

triadic

#4047BE #BE4047 #47BE40

tetradic

#4047BE #BE4086 #BEB740 #40BE78

square

#4047BE #BE4086 #BEB740 #40BE78

split-complementary

#4047BE #BE7840 #86BE40

monochromatic

#212562 #313690 #4047BE #6D73CE #9B9FDD

Accessibility & contrast

On white

7.34

#4047BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#4047BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4047BE

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4047BE	#FFFFFF	#000000	##FFFFFF
##4047BE	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC2

Deuteranopia (green-blind)

#0050BC

Tritanopia (blue-blind)

#00657C

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4047be;
/* rgb */ color: rgb(64, 71, 190);
/* oklch */ color: oklch(46.8% 0.183 274.2);

Tailwind

colors: {
  custom: {
    50: '#847ad3',
    500: '#4047be',
    950: '#000000',
  },
}

SCSS

$custom: #4047be;
$custom-light: #847ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#4047be",
  "rgb": {
    "r": 64,
    "g": 71,
    "b": 190
  },
  "hsl": {
    "h": 236.667,
    "s": 49.606,
    "l": 49.804
  },
  "oklch": {
    "l": 0.46752,
    "c": 0.18337,
    "h": 274.2
  },
  "luminance": 0.09314
}

Semantic roles & 50–950 ramp

primary

#4047BE

secondary

#C9C690

accent

#D14FD9

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #4047BE

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

Preview Lab → · Contrast checker → · Palette generator →