#4D37CB#4D37CB

#4D37CB is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 46.4% C 0.215 H 280.7°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#4D37CB
RGB	rgb(77, 55, 203)
HSL	hsl(249, 59%, 51%)
HSV	hsv(249, 73%, 80%)
CMYK	cmyk(62.1%, 72.9%, 0%, 20.4%)
CIE-LAB	lab(35.24, 50.54, -73.17)
CIE-LCH	lch(35.24, 88.92, 304.63°)
OKLab	oklab(46.38% 0.04 -0.2111)
OKLCH	oklch(46.38% 0.215 280.7)
XYZ	xyz(15.2028, 8.6208, 57.3512)
Luminance	0.0862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.16

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D37CB #B5CB37

analogous

#376BCB #4D37CB #9737CB

triadic

#4D37CB #CB4D37 #37CB4D

tetradic

#4D37CB #CB376B #B5CB37 #37CB97

square

#4D37CB #CB376B #B5CB37 #37CB97

split-complementary

#4D37CB #CB9737 #6BCB37

monochromatic

#281C6C #3A299C #4D37CB #7868D8 #A398E4

Accessibility & contrast

On white

7.71

#4D37CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#4D37CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D37CB

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D37CB	#FFFFFF	#000000	##FFFFFF
##4D37CB	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058CF

Deuteranopia (green-blind)

#004DC8

Tritanopia (blue-blind)

#00607E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4d37cb;
/* rgb */ color: rgb(77, 55, 203);
/* oklch */ color: oklch(46.4% 0.215 280.7);

Tailwind

colors: {
  custom: {
    50: '#8e71dc',
    500: '#4d37cb',
    950: '#000000',
  },
}

SCSS

$custom: #4d37cb;
$custom-light: #8e71dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4d37cb",
  "rgb": {
    "r": 77,
    "g": 55,
    "b": 203
  },
  "hsl": {
    "h": 248.919,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.46381,
    "c": 0.21481,
    "h": 280.7
  },
  "luminance": 0.08622
}

Semantic roles & 50–950 ramp

primary

#4D37CB

secondary

#C6D08E

accent

#E246CB

background

#F9F6FD

surface

#F2ECFB

border

#CCC7D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #4D37CB

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

Preview Lab → · Contrast checker → · Palette generator →