#4B37DA#4B37DA

#4B37DA is a mid, highly saturated blue. Relative luminance 0.093; OKLCH L 47.7% C 0.233 H 278.4°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#4B37DA
RGB	rgb(75, 55, 218)
HSL	hsl(247, 69%, 54%)
HSV	hsv(247, 75%, 85%)
CMYK	cmyk(65.6%, 74.8%, 0%, 14.5%)
CIE-LAB	lab(36.53, 54.82, -79.72)
CIE-LCH	lch(36.53, 96.75, 304.52°)
OKLab	oklab(47.69% 0.034 -0.2302)
OKLCH	oklch(47.69% 0.233 278.4)
XYZ	xyz(16.9187, 9.2888, 67.2174)
Luminance	0.0929 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.99

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B37DA #C6DA37

analogous

#3774DA #4B37DA #9C37DA

triadic

#4B37DA #DA4B37 #37DA4B

tetradic

#4B37DA #DA3774 #C6DA37 #37DA9C

square

#4B37DA #DA3774 #C6DA37 #37DA9C

split-complementary

#4B37DA #DA9C37 #74DA37

monochromatic

#24187F #3321B3 #4B37DA #796BE4 #A89EED

Accessibility & contrast

On white

7.35

#4B37DA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#4B37DA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B37DA

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B37DA	#FFFFFF	#000000	##FFFFFF
##4B37DA	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CDF

Deuteranopia (green-blind)

#004FD7

Tritanopia (blue-blind)

#006686

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4b37da;
/* rgb */ color: rgb(75, 55, 218);
/* oklch */ color: oklch(47.7% 0.233 278.4);

Tailwind

colors: {
  custom: {
    50: '#9071e7',
    500: '#4b37da',
    950: '#000000',
  },
}

SCSS

$custom: #4b37da;
$custom-light: #9071e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4b37da",
  "rgb": {
    "r": 75,
    "g": 55,
    "b": 218
  },
  "hsl": {
    "h": 247.362,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.47688,
    "c": 0.23273,
    "h": 278.4
  },
  "luminance": 0.0929
}

Semantic roles & 50–950 ramp

primary

#4B37DA

secondary

#D1D993

accent

#EC3CD6

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #4B37DA

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

Preview Lab → · Contrast checker → · Palette generator →