#4B37CF#4B37CF

#4B37CF is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.6% C 0.220 H 279.5°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#4B37CF
RGB	rgb(75, 55, 207)
HSL	hsl(248, 61%, 51%)
HSV	hsv(248, 73%, 81%)
CMYK	cmyk(63.8%, 73.4%, 0%, 18.8%)
CIE-LAB	lab(35.46, 51.50, -75.14)
CIE-LCH	lch(35.46, 91.09, 304.43°)
OKLab	oklab(46.61% 0.0364 -0.2169)
OKLCH	oklch(46.61% 0.22 279.5)
XYZ	xyz(15.5267, 8.7320, 59.8866)
Luminance	0.0873 (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

#4B37CF #BBCF37

analogous

#376FCF #4B37CF #9737CF

triadic

#4B37CF #CF4B37 #37CF4B

tetradic

#4B37CF #CF376F #BBCF37 #37CF97

square

#4B37CF #CF376F #BBCF37 #37CF97

split-complementary

#4B37CF #CF9737 #6FCF37

monochromatic

#261B71 #3727A2 #4B37CF #7768DB #A49AE7

Accessibility & contrast

On white

7.65

#4B37CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#4B37CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B37CF

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B37CF	#FFFFFF	#000000	##FFFFFF
##4B37CF	1.00	7.65	2.75	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059D3

Deuteranopia (green-blind)

#004DCC

Tritanopia (blue-blind)

#006280

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4b37cf;
/* rgb */ color: rgb(75, 55, 207);
/* oklch */ color: oklch(46.6% 0.220 279.5);

Tailwind

colors: {
  custom: {
    50: '#8d71df',
    500: '#4b37cf',
    950: '#000000',
  },
}

SCSS

$custom: #4b37cf;
$custom-light: #8d71df;
$custom-dark: #000000;

JSON

{
  "hex": "#4b37cf",
  "rgb": {
    "r": 75,
    "g": 55,
    "b": 207
  },
  "hsl": {
    "h": 247.895,
    "s": 61.29,
    "l": 51.373
  },
  "oklch": {
    "l": 0.46611,
    "c": 0.2199,
    "h": 279.5
  },
  "luminance": 0.08733
}

Semantic roles & 50–950 ramp

primary

#4B37CF

secondary

#CAD28F

accent

#E443CF

background

#F9F6FD

surface

#F2ECFB

border

#CCC7D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #4B37CF

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

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