#4D47BB#4D47BB

#4D47BB is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.4% C 0.176 H 279.6°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#4D47BB
RGB	rgb(77, 71, 187)
HSL	hsl(243, 46%, 51%)
HSV	hsv(243, 62%, 73%)
CMYK	cmyk(58.8%, 62%, 0%, 26.7%)
CIE-LAB	lab(37.25, 36.30, -60.54)
CIE-LCH	lch(37.25, 70.59, 300.95°)
OKLab	oklab(47.4% 0.0293 -0.174)
OKLCH	oklch(47.4% 0.177 279.6)
XYZ	xyz(14.2806, 9.6711, 48.1183)
Luminance	0.0967 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.74

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D47BB #B5BB47

analogous

#477BBB #4D47BB #8747BB

triadic

#4D47BB #BB4D47 #47BB4D

tetradic

#4D47BB #BB477B #B5BB47 #47BB87

square

#4D47BB #BB477B #B5BB47 #47BB87

split-complementary

#4D47BB #BB8747 #7BBB47

monochromatic

#282563 #3A3590 #4D47BB #7874CC #A3A0DC

Accessibility & contrast

On white

7.16

#4D47BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#4D47BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D47BB

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D47BB	#FFFFFF	#000000	##FFFFFF
##4D47BB	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CBF

Deuteranopia (green-blind)

#0053B9

Tritanopia (blue-blind)

#00647A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4d47bb;
/* rgb */ color: rgb(77, 71, 187);
/* oklch */ color: oklch(47.4% 0.176 279.6);

Tailwind

colors: {
  custom: {
    50: '#8a7bd0',
    500: '#4d47bb',
    950: '#000000',
  },
}

SCSS

$custom: #4d47bb;
$custom-light: #8a7bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4d47bb",
  "rgb": {
    "r": 77,
    "g": 71,
    "b": 187
  },
  "hsl": {
    "h": 243.103,
    "s": 46.032,
    "l": 50.588
  },
  "oklch": {
    "l": 0.47399,
    "c": 0.1765,
    "h": 279.6
  },
  "luminance": 0.09672
}

Semantic roles & 50–950 ramp

primary

#4D47BB

secondary

#C6C995

accent

#D652CF

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0914

muted

#7E7B82

Preview Lab

Preview with #4D47BB

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

Preview Lab → · Contrast checker → · Palette generator →