#3E47B8#3E47B8

#3E47B8 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.1% C 0.176 H 273.8°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#3E47B8
RGB	rgb(62, 71, 184)
HSL	hsl(236, 50%, 48%)
HSV	hsv(236, 66%, 72%)
CMYK	cmyk(66.3%, 61.4%, 0%, 27.8%)
CIE-LAB	lab(35.97, 32.89, -60.90)
CIE-LCH	lch(35.97, 69.22, 298.37°)
OKLab	oklab(46.11% 0.0115 -0.1755)
OKLCH	oklch(46.11% 0.176 273.8)
XYZ	xyz(12.8887, 8.9902, 46.3942)
Luminance	0.0899 (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

#3E47B8 #B8AF3E

analogous

#3E84B8 #3E47B8 #723EB8

triadic

#3E47B8 #B83E47 #47B83E

tetradic

#3E47B8 #B83E84 #B8AF3E #3EB872

square

#3E47B8 #B83E84 #B8AF3E #3EB872

split-complementary

#3E47B8 #B8723E #84B83E

monochromatic

#1F245C #2F358A #3E47B8 #676FCC #959ADB

Accessibility & contrast

On white

7.50

#3E47B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#3E47B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E47B8

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E47B8	#FFFFFF	#000000	##FFFFFF
##3E47B8	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ABC

Deuteranopia (green-blind)

#004FB6

Tritanopia (blue-blind)

#006378

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3e47b8;
/* rgb */ color: rgb(62, 71, 184);
/* oklch */ color: oklch(46.1% 0.176 273.8);

Tailwind

colors: {
  custom: {
    50: '#827ace',
    500: '#3e47b8',
    950: '#000000',
  },
}

SCSS

$custom: #3e47b8;
$custom-light: #827ace;
$custom-dark: #000000;

JSON

{
  "hex": "#3e47b8",
  "rgb": {
    "r": 62,
    "g": 71,
    "b": 184
  },
  "hsl": {
    "h": 235.574,
    "s": 49.593,
    "l": 48.235
  },
  "oklch": {
    "l": 0.46114,
    "c": 0.17591,
    "h": 273.8
  },
  "luminance": 0.08991
}

Semantic roles & 50–950 ramp

primary

#3E47B8

secondary

#C7C28B

accent

#CF4FD9

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #3E47B8

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

Preview Lab → · Contrast checker → · Palette generator →