#4B47BB#4B47BB

#4B47BB is a mid, vivid blue. Relative luminance 0.096; OKLCH L 47.3% C 0.177 H 278.7°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#4B47BB
RGB	rgb(75, 71, 187)
HSL	hsl(242, 46%, 51%)
HSV	hsv(242, 62%, 73%)
CMYK	cmyk(59.9%, 62%, 0%, 26.7%)
CIE-LAB	lab(37.09, 35.96, -60.79)
CIE-LCH	lch(37.09, 70.63, 300.61°)
OKLab	oklab(47.25% 0.0268 -0.1748)
OKLCH	oklch(47.25% 0.177 278.7)
XYZ	xyz(14.1217, 9.5892, 48.1108)
Luminance	0.0959 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.88

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B47BB #B7BB47

analogous

#477DBB #4B47BB #8547BB

triadic

#4B47BB #BB4B47 #47BB4B

tetradic

#4B47BB #BB477D #B7BB47 #47BB85

square

#4B47BB #BB477D #B7BB47 #47BB85

split-complementary

#4B47BB #BB8547 #7DBB47

monochromatic

#272563 #383590 #4B47BB #7774CC #A2A0DC

Accessibility & contrast

On white

7.20

#4B47BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#4B47BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B47BB

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B47BB	#FFFFFF	#000000	##FFFFFF
##4B47BB	1.00	7.20	2.92	7.20
#FFFFFF	7.20	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CBF

Deuteranopia (green-blind)

#0053B9

Tritanopia (blue-blind)

#00647A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4b47bb;
/* rgb */ color: rgb(75, 71, 187);
/* oklch */ color: oklch(47.3% 0.177 278.7);

Tailwind

colors: {
  custom: {
    50: '#897ad0',
    500: '#4b47bb',
    950: '#000000',
  },
}

SCSS

$custom: #4b47bb;
$custom-light: #897ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b47bb",
  "rgb": {
    "r": 75,
    "g": 71,
    "b": 187
  },
  "hsl": {
    "h": 242.069,
    "s": 46.032,
    "l": 50.588
  },
  "oklch": {
    "l": 0.4725,
    "c": 0.17689,
    "h": 278.7
  },
  "luminance": 0.0959
}

Semantic roles & 50–950 ramp

primary

#4B47BB

secondary

#C7C995

accent

#D652D1

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0D0914

muted

#7D7B82

Preview Lab

Preview with #4B47BB

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

Preview Lab → · Contrast checker → · Palette generator →