#4C37CB#4C37CB

#4C37CB is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 46.3% C 0.215 H 280.3°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#4C37CB
RGB	rgb(76, 55, 203)
HSL	hsl(249, 59%, 51%)
HSV	hsv(249, 73%, 80%)
CMYK	cmyk(62.6%, 72.9%, 0%, 20.4%)
CIE-LAB	lab(35.16, 50.41, -73.31)
CIE-LCH	lch(35.16, 88.97, 304.52°)
OKLab	oklab(46.3% 0.0386 -0.2115)
OKLCH	oklch(46.3% 0.215 280.3)
XYZ	xyz(15.1228, 8.5795, 57.3474)
Luminance	0.0858 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.27

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C37CB #B6CB37

analogous

#376CCB #4C37CB #9637CB

triadic

#4C37CB #CB4C37 #37CB4C

tetradic

#4C37CB #CB376C #B6CB37 #37CB96

square

#4C37CB #CB376C #B6CB37 #37CB96

split-complementary

#4C37CB #CB9637 #6CCB37

monochromatic

#271C6C #39299C #4C37CB #7768D8 #A398E4

Accessibility & contrast

On white

7.73

#4C37CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#4C37CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C37CB

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C37CB	#FFFFFF	#000000	##FFFFFF
##4C37CB	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	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: #4c37cb;
/* rgb */ color: rgb(76, 55, 203);
/* oklch */ color: oklch(46.3% 0.215 280.3);

Tailwind

colors: {
  custom: {
    50: '#8d71dc',
    500: '#4c37cb',
    950: '#000000',
  },
}

SCSS

$custom: #4c37cb;
$custom-light: #8d71dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4c37cb",
  "rgb": {
    "r": 76,
    "g": 55,
    "b": 203
  },
  "hsl": {
    "h": 248.514,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.46303,
    "c": 0.21499,
    "h": 280.3
  },
  "luminance": 0.08581
}

Semantic roles & 50–950 ramp

primary

#4C37CB

secondary

#C6D08E

accent

#E246CC

background

#F9F6FD

surface

#F2ECFB

border

#CCC7D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #4C37CB

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

Preview Lab → · Contrast checker → · Palette generator →