#3E47BB#3E47BB

#3E47BB is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.4% C 0.180 H 273.6°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#3E47BB
RGB	rgb(62, 71, 187)
HSL	hsl(236, 50%, 49%)
HSV	hsv(236, 67%, 73%)
CMYK	cmyk(66.8%, 62%, 0%, 26.7%)
CIE-LAB	lab(36.21, 33.93, -62.27)
CIE-LCH	lch(36.21, 70.92, 298.59°)
OKLab	oklab(46.37% 0.0114 -0.1795)
OKLCH	oklch(46.37% 0.18 273.6)
XYZ	xyz(13.2065, 9.1173, 48.0679)
Luminance	0.0912 (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

#3E47BB #BBB23E

analogous

#3E86BB #3E47BB #743EBB

triadic

#3E47BB #BB3E47 #47BB3E

tetradic

#3E47BB #BB3E86 #BBB23E #3EBB74

square

#3E47BB #BB3E86 #BBB23E #3EBB74

split-complementary

#3E47BB #BB743E #86BB3E

monochromatic

#20245F #2F368D #3E47BB #6970CD #979CDC

Accessibility & contrast

On white

7.44

#3E47BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#3E47BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E47BB

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E47BB	#FFFFFF	#000000	##FFFFFF
##3E47BB	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBF

Deuteranopia (green-blind)

#0050B9

Tritanopia (blue-blind)

#00647A

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3e47bb;
/* rgb */ color: rgb(62, 71, 187);
/* oklch */ color: oklch(46.4% 0.180 273.6);

Tailwind

colors: {
  custom: {
    50: '#827ad0',
    500: '#3e47bb',
    950: '#000000',
  },
}

SCSS

$custom: #3e47bb;
$custom-light: #827ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#3e47bb",
  "rgb": {
    "r": 62,
    "g": 71,
    "b": 187
  },
  "hsl": {
    "h": 235.68,
    "s": 50.201,
    "l": 48.824
  },
  "oklch": {
    "l": 0.4637,
    "c": 0.17991,
    "h": 273.6
  },
  "luminance": 0.09118
}

Semantic roles & 50–950 ramp

primary

#3E47BB

secondary

#C8C48D

accent

#D04EDA

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #3E47BB

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

Preview Lab → · Contrast checker → · Palette generator →