#4B37C9#4B37C9

#4B37C9 is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 46.0% C 0.213 H 280.2°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#4B37C9
RGB	rgb(75, 55, 201)
HSL	hsl(248, 57%, 50%)
HSV	hsv(248, 73%, 79%)
CMYK	cmyk(62.7%, 72.6%, 0%, 21.2%)
CIE-LAB	lab(34.89, 49.68, -72.59)
CIE-LCH	lch(34.89, 87.96, 304.39°)
OKLab	oklab(46.03% 0.0377 -0.2094)
OKLCH	oklch(46.03% 0.213 280.2)
XYZ	xyz(14.8071, 8.4441, 56.0966)
Luminance	0.0844 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.48

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B37C9 #B5C937

analogous

#376CC9 #4B37C9 #9437C9

triadic

#4B37C9 #C94B37 #37C94B

tetradic

#4B37C9 #C9376C #B5C937 #37C994

square

#4B37C9 #C9376C #B5C937 #37C994

split-complementary

#4B37C9 #C99437 #6CC937

monochromatic

#271C69 #392999 #4B37C9 #7667D6 #A297E3

Accessibility & contrast

On white

7.81

#4B37C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#4B37C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B37C9

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B37C9	#FFFFFF	#000000	##FFFFFF
##4B37C9	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057CD

Deuteranopia (green-blind)

#004CC6

Tritanopia (blue-blind)

#00607D

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4b37c9;
/* rgb */ color: rgb(75, 55, 201);
/* oklch */ color: oklch(46.0% 0.213 280.2);

Tailwind

colors: {
  custom: {
    50: '#8c70db',
    500: '#4b37c9',
    950: '#000000',
  },
}

SCSS

$custom: #4b37c9;
$custom-light: #8c70db;
$custom-dark: #000000;

JSON

{
  "hex": "#4b37c9",
  "rgb": {
    "r": 75,
    "g": 55,
    "b": 201
  },
  "hsl": {
    "h": 248.219,
    "s": 57.48,
    "l": 50.196
  },
  "oklch": {
    "l": 0.46033,
    "c": 0.21279,
    "h": 280.2
  },
  "luminance": 0.08445
}

Semantic roles & 50–950 ramp

primary

#4B37C9

secondary

#C6CF8D

accent

#E147CC

background

#F9F6FD

surface

#F2ECFB

border

#CCC7D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #4B37C9

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

Preview Lab → · Contrast checker → · Palette generator →