#4B37D9#4B37D9

#4B37D9 is a mid, highly saturated blue. Relative luminance 0.092; OKLCH L 47.6% C 0.232 H 278.5°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#4B37D9
RGB	rgb(75, 55, 217)
HSL	hsl(247, 68%, 53%)
HSV	hsv(247, 75%, 85%)
CMYK	cmyk(65.4%, 74.7%, 0%, 14.9%)
CIE-LAB	lab(36.44, 54.52, -79.31)
CIE-LCH	lch(36.44, 96.24, 304.51°)
OKLab	oklab(47.59% 0.0342 -0.229)
OKLCH	oklch(47.59% 0.232 278.5)
XYZ	xyz(16.7882, 9.2366, 66.5303)
Luminance	0.0924 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.91

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B37D9 #C5D937

analogous

#3774D9 #4B37D9 #9C37D9

triadic

#4B37D9 #D94B37 #37D94B

tetradic

#4B37D9 #D93774 #C5D937 #37D99C

square

#4B37D9 #D93774 #C5D937 #37D99C

split-complementary

#4B37D9 #D99C37 #74D937

monochromatic

#24187E #3322B1 #4B37D9 #796AE3 #A89EED

Accessibility & contrast

On white

7.37

#4B37D9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#4B37D9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B37D9

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B37D9	#FFFFFF	#000000	##FFFFFF
##4B37D9	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CDE

Deuteranopia (green-blind)

#004FD6

Tritanopia (blue-blind)

#006686

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4b37d9;
/* rgb */ color: rgb(75, 55, 217);
/* oklch */ color: oklch(47.6% 0.232 278.5);

Tailwind

colors: {
  custom: {
    50: '#8f71e6',
    500: '#4b37d9',
    950: '#000000',
  },
}

SCSS

$custom: #4b37d9;
$custom-light: #8f71e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4b37d9",
  "rgb": {
    "r": 75,
    "g": 55,
    "b": 217
  },
  "hsl": {
    "h": 247.407,
    "s": 68.067,
    "l": 53.333
  },
  "oklch": {
    "l": 0.47589,
    "c": 0.23158,
    "h": 278.5
  },
  "luminance": 0.09238
}

Semantic roles & 50–950 ramp

primary

#4B37D9

secondary

#D0D993

accent

#EB3DD5

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #4B37D9

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

Preview Lab → · Contrast checker → · Palette generator →