#4B37CE#4B37CE

#4B37CE is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.5% C 0.219 H 279.6°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#4B37CE
RGB	rgb(75, 55, 206)
HSL	hsl(248, 61%, 51%)
HSV	hsv(248, 73%, 81%)
CMYK	cmyk(63.6%, 73.3%, 0%, 19.2%)
CIE-LAB	lab(35.37, 51.20, -74.71)
CIE-LCH	lch(35.37, 90.57, 304.42°)
OKLab	oklab(46.51% 0.0366 -0.2156)
OKLCH	oklch(46.51% 0.219 279.6)
XYZ	xyz(15.4049, 8.6833, 59.2448)
Luminance	0.0868 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.34

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B37CE #BACE37

analogous

#376ECE #4B37CE #9637CE

triadic

#4B37CE #CE4B37 #37CE4B

tetradic

#4B37CE #CE376E #BACE37 #37CE96

square

#4B37CE #CE376E #BACE37 #37CE96

split-complementary

#4B37CE #CE9637 #6ECE37

monochromatic

#261B6F #3727A0 #4B37CE #7768DA #A399E6

Accessibility & contrast

On white

7.67

#4B37CE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#4B37CE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B37CE

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B37CE	#FFFFFF	#000000	##FFFFFF
##4B37CE	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059D2

Deuteranopia (green-blind)

#004DCB

Tritanopia (blue-blind)

#006280

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4b37ce;
/* rgb */ color: rgb(75, 55, 206);
/* oklch */ color: oklch(46.5% 0.219 279.6);

Tailwind

colors: {
  custom: {
    50: '#8d71de',
    500: '#4b37ce',
    950: '#000000',
  },
}

SCSS

$custom: #4b37ce;
$custom-light: #8d71de;
$custom-dark: #000000;

JSON

{
  "hex": "#4b37ce",
  "rgb": {
    "r": 75,
    "g": 55,
    "b": 206
  },
  "hsl": {
    "h": 247.947,
    "s": 60.643,
    "l": 51.176
  },
  "oklch": {
    "l": 0.46514,
    "c": 0.21872,
    "h": 279.6
  },
  "luminance": 0.08684
}

Semantic roles & 50–950 ramp

primary

#4B37CE

secondary

#C9D28F

accent

#E444CF

background

#F9F6FD

surface

#F2ECFB

border

#CCC7D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #4B37CE

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

Preview Lab → · Contrast checker → · Palette generator →