#4747BB#4747BB

#4747BB is a mid, vivid blue. Relative luminance 0.094; OKLCH L 47.0% C 0.178 H 277.1°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#4747BB
RGB	rgb(71, 71, 187)
HSL	hsl(240, 46%, 51%)
HSV	hsv(240, 62%, 73%)
CMYK	cmyk(62%, 62%, 0%, 26.7%)
CIE-LAB	lab(36.80, 35.31, -61.27)
CIE-LCH	lch(36.80, 70.72, 299.95°)
OKLab	oklab(46.96% 0.0219 -0.1764)
OKLCH	oklch(46.96% 0.178 277.1)
XYZ	xyz(13.8185, 9.4328, 48.0966)
Luminance	0.0943 (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

#4747BB #BBBB47

analogous

#4781BB #4747BB #8147BB

triadic

#4747BB #BB4747 #47BB47

tetradic

#4747BB #BB4781 #BBBB47 #47BB81

square

#4747BB #BB4781 #BBBB47 #47BB81

split-complementary

#4747BB #BB8147 #81BB47

monochromatic

#252563 #353590 #4747BB #7474CC #A0A0DC

Accessibility & contrast

On white

7.27

#4747BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#4747BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4747BB

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4747BB	#FFFFFF	#000000	##FFFFFF
##4747BB	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CBF

Deuteranopia (green-blind)

#0052B9

Tritanopia (blue-blind)

#00647A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4747bb;
/* rgb */ color: rgb(71, 71, 187);
/* oklch */ color: oklch(47.0% 0.178 277.1);

Tailwind

colors: {
  custom: {
    50: '#877ad0',
    500: '#4747bb',
    950: '#000000',
  },
}

SCSS

$custom: #4747bb;
$custom-light: #877ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#4747bb",
  "rgb": {
    "r": 71,
    "g": 71,
    "b": 187
  },
  "hsl": {
    "h": 240,
    "s": 46.032,
    "l": 50.588
  },
  "oklch": {
    "l": 0.46963,
    "c": 0.17774,
    "h": 277.1
  },
  "luminance": 0.09434
}

Semantic roles & 50–950 ramp

primary

#4747BB

secondary

#C9C995

accent

#D652D6

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #4747BB

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

Preview Lab → · Contrast checker → · Palette generator →