#4F37CB#4F37CB

#4F37CB is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.5% C 0.214 H 281.5°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#4F37CB
RGB	rgb(79, 55, 203)
HSL	hsl(250, 59%, 51%)
HSV	hsv(250, 73%, 80%)
CMYK	cmyk(61.1%, 72.9%, 0%, 20.4%)
CIE-LAB	lab(35.41, 50.79, -72.89)
CIE-LCH	lch(35.41, 88.84, 304.87°)
OKLab	oklab(46.54% 0.0427 -0.2102)
OKLCH	oklch(46.54% 0.214 281.5)
XYZ	xyz(15.3667, 8.7053, 57.3589)
Luminance	0.0871 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 0.93

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F37CB #B3CB37

analogous

#3769CB #4F37CB #9937CB

triadic

#4F37CB #CB4F37 #37CB4F

tetradic

#4F37CB #CB3769 #B3CB37 #37CB99

square

#4F37CB #CB3769 #B3CB37 #37CB99

split-complementary

#4F37CB #CB9937 #69CB37

monochromatic

#291C6C #3B299C #4F37CB #7A68D8 #A498E4

Accessibility & contrast

On white

7.66

#4F37CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#4F37CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F37CB

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F37CB	#FFFFFF	#000000	##FFFFFF
##4F37CB	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058CF

Deuteranopia (green-blind)

#004EC8

Tritanopia (blue-blind)

#00607E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4f37cb;
/* rgb */ color: rgb(79, 55, 203);
/* oklch */ color: oklch(46.5% 0.214 281.5);

Tailwind

colors: {
  custom: {
    50: '#8f71dc',
    500: '#4f37cb',
    950: '#000000',
  },
}

SCSS

$custom: #4f37cb;
$custom-light: #8f71dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4f37cb",
  "rgb": {
    "r": 79,
    "g": 55,
    "b": 203
  },
  "hsl": {
    "h": 249.73,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.46541,
    "c": 0.21449,
    "h": 281.5
  },
  "luminance": 0.08706
}

Semantic roles & 50–950 ramp

primary

#4F37CB

secondary

#C5D08E

accent

#E246C9

background

#F9F6FD

surface

#F2ECFB

border

#CCC7D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #4F37CB

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

Preview Lab → · Contrast checker → · Palette generator →