#4B37D0#4B37D0

#4B37D0 is a mid, highly saturated blue. Relative luminance 0.088; OKLCH L 46.7% C 0.221 H 279.4°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#4B37D0
RGB	rgb(75, 55, 208)
HSL	hsl(248, 62%, 52%)
HSV	hsv(248, 74%, 82%)
CMYK	cmyk(63.9%, 73.6%, 0%, 18.4%)
CIE-LAB	lab(35.56, 51.81, -75.56)
CIE-LCH	lch(35.56, 91.61, 304.44°)
OKLab	oklab(46.71% 0.0362 -0.2181)
OKLCH	oklch(46.71% 0.221 279.4)
XYZ	xyz(15.6494, 8.7811, 60.5325)
Luminance	0.0878 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.36

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B37D0 #BCD037

analogous

#3770D0 #4B37D0 #9837D0

triadic

#4B37D0 #D04B37 #37D04B

tetradic

#4B37D0 #D03770 #BCD037 #37D098

square

#4B37D0 #D03770 #BCD037 #37D098

split-complementary

#4B37D0 #D09837 #70D037

monochromatic

#261B72 #3726A3 #4B37D0 #7869DC #A49AE7

Accessibility & contrast

On white

7.62

#4B37D0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#4B37D0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B37D0

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B37D0	#FFFFFF	#000000	##FFFFFF
##4B37D0	1.00	7.62	2.76	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059D4

Deuteranopia (green-blind)

#004ECD

Tritanopia (blue-blind)

#006281

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4b37d0;
/* rgb */ color: rgb(75, 55, 208);
/* oklch */ color: oklch(46.7% 0.221 279.4);

Tailwind

colors: {
  custom: {
    50: '#8e71e0',
    500: '#4b37d0',
    950: '#000000',
  },
}

SCSS

$custom: #4b37d0;
$custom-light: #8e71e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b37d0",
  "rgb": {
    "r": 75,
    "g": 55,
    "b": 208
  },
  "hsl": {
    "h": 247.843,
    "s": 61.943,
    "l": 51.569
  },
  "oklch": {
    "l": 0.46708,
    "c": 0.22108,
    "h": 279.4
  },
  "luminance": 0.08782
}

Semantic roles & 50–950 ramp

primary

#4B37D0

secondary

#CAD390

accent

#E543D0

background

#F9F6FD

surface

#F2ECFB

border

#CCC7D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #4B37D0

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

Preview Lab → · Contrast checker → · Palette generator →