#3847BB#3847BB

#3847BB is a mid, vivid blue. Relative luminance 0.089; OKLCH L 46.0% C 0.181 H 271.5°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#3847BB
RGB	rgb(56, 71, 187)
HSL	hsl(233, 54%, 48%)
HSV	hsv(233, 70%, 73%)
CMYK	cmyk(70.1%, 62%, 0%, 26.7%)
CIE-LAB	lab(35.86, 33.11, -62.86)
CIE-LCH	lch(35.86, 71.05, 297.77°)
OKLab	oklab(46.02% 0.0049 -0.1814)
OKLCH	oklch(46.02% 0.181 271.5)
XYZ	xyz(12.8507, 8.9338, 48.0512)
Luminance	0.0893 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.54

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3847BB #BBAC38

analogous

#3888BB #3847BB #6B38BB

triadic

#3847BB #BB3847 #47BB38

tetradic

#3847BB #BB3888 #BBAC38 #38BB6B

square

#3847BB #BB3888 #BBAC38 #38BB6B

split-complementary

#3847BB #BB6B38 #88BB38

monochromatic

#1C235D #2A358C #3847BB #616DD0 #9099DE

Accessibility & contrast

On white

7.53

#3847BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#3847BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3847BB

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3847BB	#FFFFFF	#000000	##FFFFFF
##3847BB	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ABF

Deuteranopia (green-blind)

#004EB9

Tritanopia (blue-blind)

#00657A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3847bb;
/* rgb */ color: rgb(56, 71, 187);
/* oklch */ color: oklch(46.0% 0.181 271.5);

Tailwind

colors: {
  custom: {
    50: '#807ad0',
    500: '#3847bb',
    950: '#000000',
  },
}

SCSS

$custom: #3847bb;
$custom-light: #807ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#3847bb",
  "rgb": {
    "r": 56,
    "g": 71,
    "b": 187
  },
  "hsl": {
    "h": 233.13,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.46016,
    "c": 0.18149,
    "h": 271.5
  },
  "luminance": 0.08935
}

Semantic roles & 50–950 ramp

primary

#3847BB

secondary

#C8C186

accent

#CC4BDD

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #3847BB

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

Preview Lab → · Contrast checker → · Palette generator →