#4B37D7#4B37D7

#4B37D7 is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 47.4% C 0.229 H 278.7°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#4B37D7
RGB	rgb(75, 55, 215)
HSL	hsl(248, 67%, 53%)
HSV	hsv(248, 74%, 84%)
CMYK	cmyk(65.1%, 74.4%, 0%, 15.7%)
CIE-LAB	lab(36.24, 53.92, -78.48)
CIE-LCH	lch(36.24, 95.22, 304.49°)
OKLab	oklab(47.39% 0.0346 -0.2266)
OKLCH	oklch(47.39% 0.229 278.7)
XYZ	xyz(16.5296, 9.1332, 65.1686)
Luminance	0.0914 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.74

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B37D7 #C3D737

analogous

#3773D7 #4B37D7 #9B37D7

triadic

#4B37D7 #D74B37 #37D74B

tetradic

#4B37D7 #D73773 #C3D737 #37D79B

square

#4B37D7 #D73773 #C3D737 #37D79B

split-complementary

#4B37D7 #D79B37 #73D737

monochromatic

#25197B #3423AE #4B37D7 #796AE1 #A79DEB

Accessibility & contrast

On white

7.43

#4B37D7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#4B37D7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B37D7

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B37D7	#FFFFFF	#000000	##FFFFFF
##4B37D7	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BDC

Deuteranopia (green-blind)

#004FD4

Tritanopia (blue-blind)

#006585

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4b37d7;
/* rgb */ color: rgb(75, 55, 215);
/* oklch */ color: oklch(47.4% 0.229 278.7);

Tailwind

colors: {
  custom: {
    50: '#8f71e5',
    500: '#4b37d7',
    950: '#000000',
  },
}

SCSS

$custom: #4b37d7;
$custom-light: #8f71e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4b37d7",
  "rgb": {
    "r": 75,
    "g": 55,
    "b": 215
  },
  "hsl": {
    "h": 247.5,
    "s": 66.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.47392,
    "c": 0.22926,
    "h": 278.7
  },
  "luminance": 0.09135
}

Semantic roles & 50–950 ramp

primary

#4B37D7

secondary

#CFD792

accent

#EA3ED4

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #4B37D7

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

Preview Lab → · Contrast checker → · Palette generator →