#4C37CF#4C37CF

#4C37CF is a mid, highly saturated blue. Relative luminance 0.088; OKLCH L 46.7% C 0.220 H 279.9°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#4C37CF
RGB	rgb(76, 55, 207)
HSL	hsl(248, 61%, 51%)
HSV	hsv(248, 73%, 81%)
CMYK	cmyk(63.3%, 73.4%, 0%, 18.8%)
CIE-LAB	lab(35.54, 51.62, -75.00)
CIE-LCH	lch(35.54, 91.05, 304.54°)
OKLab	oklab(46.69% 0.0378 -0.2164)
OKLCH	oklch(46.69% 0.22 279.9)
XYZ	xyz(15.6056, 8.7727, 59.8903)
Luminance	0.0877 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.23

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C37CF #BACF37

analogous

#376ECF #4C37CF #9837CF

triadic

#4C37CF #CF4C37 #37CF4C

tetradic

#4C37CF #CF376E #BACF37 #37CF98

square

#4C37CF #CF376E #BACF37 #37CF98

split-complementary

#4C37CF #CF9837 #6ECF37

monochromatic

#271B71 #3827A2 #4C37CF #7868DB #A49AE7

Accessibility & contrast

On white

7.62

#4C37CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#4C37CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C37CF

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C37CF	#FFFFFF	#000000	##FFFFFF
##4C37CF	1.00	7.62	2.75	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059D3

Deuteranopia (green-blind)

#004ECC

Tritanopia (blue-blind)

#006280

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4c37cf;
/* rgb */ color: rgb(76, 55, 207);
/* oklch */ color: oklch(46.7% 0.220 279.9);

Tailwind

colors: {
  custom: {
    50: '#8e71df',
    500: '#4c37cf',
    950: '#000000',
  },
}

SCSS

$custom: #4c37cf;
$custom-light: #8e71df;
$custom-dark: #000000;

JSON

{
  "hex": "#4c37cf",
  "rgb": {
    "r": 76,
    "g": 55,
    "b": 207
  },
  "hsl": {
    "h": 248.289,
    "s": 61.29,
    "l": 51.373
  },
  "oklch": {
    "l": 0.46687,
    "c": 0.21972,
    "h": 279.9
  },
  "luminance": 0.08774
}

Semantic roles & 50–950 ramp

primary

#4C37CF

secondary

#C9D28F

accent

#E443CE

background

#F9F6FD

surface

#F2ECFB

border

#CCC7D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #4C37CF

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

Preview Lab → · Contrast checker → · Palette generator →