#4F37C9#4F37C9

#4F37C9 is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 46.4% C 0.212 H 281.7°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#4F37C9
RGB	rgb(79, 55, 201)
HSL	hsl(250, 57%, 50%)
HSV	hsv(250, 73%, 79%)
CMYK	cmyk(60.7%, 72.6%, 0%, 21.2%)
CIE-LAB	lab(35.22, 50.19, -72.03)
CIE-LCH	lch(35.22, 87.79, 304.87°)
OKLab	oklab(46.35% 0.0432 -0.2077)
OKLCH	oklch(46.35% 0.212 281.7)
XYZ	xyz(15.1300, 8.6106, 56.1117)
Luminance	0.0861 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.04

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F37C9 #B1C937

analogous

#3768C9 #4F37C9 #9837C9

triadic

#4F37C9 #C94F37 #37C94F

tetradic

#4F37C9 #C93768 #B1C937 #37C998

square

#4F37C9 #C93768 #B1C937 #37C998

split-complementary

#4F37C9 #C99837 #68C937

monochromatic

#291C69 #3C2999 #4F37C9 #7967D6 #A497E3

Accessibility & contrast

On white

7.71

#4F37C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#4F37C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F37C9

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F37C9	#FFFFFF	#000000	##FFFFFF
##4F37C9	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058CD

Deuteranopia (green-blind)

#004EC6

Tritanopia (blue-blind)

#005F7D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4f37c9;
/* rgb */ color: rgb(79, 55, 201);
/* oklch */ color: oklch(46.4% 0.212 281.7);

Tailwind

colors: {
  custom: {
    50: '#8e71db',
    500: '#4f37c9',
    950: '#000000',
  },
}

SCSS

$custom: #4f37c9;
$custom-light: #8e71db;
$custom-dark: #000000;

JSON

{
  "hex": "#4f37c9",
  "rgb": {
    "r": 79,
    "g": 55,
    "b": 201
  },
  "hsl": {
    "h": 249.863,
    "s": 57.48,
    "l": 50.196
  },
  "oklch": {
    "l": 0.46352,
    "c": 0.21212,
    "h": 281.7
  },
  "luminance": 0.08612
}

Semantic roles & 50–950 ramp

primary

#4F37C9

secondary

#C4CF8D

accent

#E147C7

background

#F9F6FD

surface

#F2ECFB

border

#CCC7D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #4F37C9

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

Preview Lab → · Contrast checker → · Palette generator →