#3A47BB#3A47BB

#3A47BB is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.1% C 0.181 H 272.2°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#3A47BB
RGB	rgb(58, 71, 187)
HSL	hsl(234, 53%, 48%)
HSV	hsv(234, 69%, 73%)
CMYK	cmyk(69%, 62%, 0%, 26.7%)
CIE-LAB	lab(35.97, 33.37, -62.67)
CIE-LCH	lch(35.97, 71.00, 298.04°)
OKLab	oklab(46.13% 0.007 -0.1808)
OKLCH	oklch(46.13% 0.181 272.2)
XYZ	xyz(12.9648, 8.9926, 48.0566)
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

#3A47BB #BBAE3A

analogous

#3A88BB #3A47BB #6D3ABB

triadic

#3A47BB #BB3A47 #47BB3A

tetradic

#3A47BB #BB3A88 #BBAE3A #3ABB6D

square

#3A47BB #BB3A88 #BBAE3A #3ABB6D

split-complementary

#3A47BB #BB6D3A #88BB3A

monochromatic

#1D245E #2C358C #3A47BB #636ECF #929ADD

Accessibility & contrast

On white

7.50

#3A47BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#3A47BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A47BB

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A47BB	#FFFFFF	#000000	##FFFFFF
##3A47BB	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)

#005BBF

Deuteranopia (green-blind)

#004FB9

Tritanopia (blue-blind)

#00647A

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3a47bb;
/* rgb */ color: rgb(58, 71, 187);
/* oklch */ color: oklch(46.1% 0.181 272.2);

Tailwind

colors: {
  custom: {
    50: '#817ad0',
    500: '#3a47bb',
    950: '#000000',
  },
}

SCSS

$custom: #3a47bb;
$custom-light: #817ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a47bb",
  "rgb": {
    "r": 58,
    "g": 71,
    "b": 187
  },
  "hsl": {
    "h": 233.953,
    "s": 52.653,
    "l": 48.039
  },
  "oklch": {
    "l": 0.4613,
    "c": 0.18096,
    "h": 272.2
  },
  "luminance": 0.08994
}

Semantic roles & 50–950 ramp

primary

#3A47BB

secondary

#C8C288

accent

#CE4CDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #3A47BB

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

Preview Lab → · Contrast checker → · Palette generator →