#4B37CA#4B37CA

#4B37CA is a mid, highly saturated blue. Relative luminance 0.085; OKLCH L 46.1% C 0.214 H 280.1°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#4B37CA
RGB	rgb(75, 55, 202)
HSL	hsl(248, 58%, 50%)
HSV	hsv(248, 73%, 79%)
CMYK	cmyk(62.9%, 72.8%, 0%, 20.8%)
CIE-LAB	lab(34.99, 49.98, -73.02)
CIE-LCH	lch(34.99, 88.49, 304.39°)
OKLab	oklab(46.13% 0.0375 -0.2107)
OKLCH	oklch(46.13% 0.214 280.1)
XYZ	xyz(14.9251, 8.4914, 56.7181)
Luminance	0.0849 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.43

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B37CA #B6CA37

analogous

#376DCA #4B37CA #9437CA

triadic

#4B37CA #CA4B37 #37CA4B

tetradic

#4B37CA #CA376D #B6CA37 #37CA94

square

#4B37CA #CA376D #B6CA37 #37CA94

split-complementary

#4B37CA #CA9437 #6DCA37

monochromatic

#271C6A #38299B #4B37CA #7767D7 #A298E4

Accessibility & contrast

On white

7.78

#4B37CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#4B37CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B37CA

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B37CA	#FFFFFF	#000000	##FFFFFF
##4B37CA	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058CE

Deuteranopia (green-blind)

#004DC7

Tritanopia (blue-blind)

#00607D

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4b37ca;
/* rgb */ color: rgb(75, 55, 202);
/* oklch */ color: oklch(46.1% 0.214 280.1);

Tailwind

colors: {
  custom: {
    50: '#8d70db',
    500: '#4b37ca',
    950: '#000000',
  },
}

SCSS

$custom: #4b37ca;
$custom-light: #8d70db;
$custom-dark: #000000;

JSON

{
  "hex": "#4b37ca",
  "rgb": {
    "r": 75,
    "g": 55,
    "b": 202
  },
  "hsl": {
    "h": 248.163,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.46129,
    "c": 0.21398,
    "h": 280.1
  },
  "luminance": 0.08493
}

Semantic roles & 50–950 ramp

primary

#4B37CA

secondary

#C6CF8E

accent

#E146CC

background

#F9F6FD

surface

#F2ECFB

border

#CCC7D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #4B37CA

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

Preview Lab → · Contrast checker → · Palette generator →