#4F37CE#4F37CE

#4F37CE is a mid, highly saturated blue. Relative luminance 0.089; OKLCH L 46.8% C 0.218 H 281.1°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#4F37CE
RGB	rgb(79, 55, 206)
HSL	hsl(250, 61%, 51%)
HSV	hsv(250, 73%, 81%)
CMYK	cmyk(61.7%, 73.3%, 0%, 19.2%)
CIE-LAB	lab(35.69, 51.69, -74.17)
CIE-LCH	lch(35.69, 90.40, 304.87°)
OKLab	oklab(46.83% 0.0421 -0.2139)
OKLCH	oklch(46.83% 0.218 281.1)
XYZ	xyz(15.7277, 8.8497, 59.2599)
Luminance	0.0885 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 0.89

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F37CE #B6CE37

analogous

#376ACE #4F37CE #9A37CE

triadic

#4F37CE #CE4F37 #37CE4F

tetradic

#4F37CE #CE376A #B6CE37 #37CE9A

square

#4F37CE #CE376A #B6CE37 #37CE9A

split-complementary

#4F37CE #CE9A37 #6ACE37

monochromatic

#291B6F #3B27A0 #4F37CE #7A68DA #A699E6

Accessibility & contrast

On white

7.58

#4F37CE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#4F37CE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F37CE

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F37CE	#FFFFFF	#000000	##FFFFFF
##4F37CE	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059D2

Deuteranopia (green-blind)

#004ECB

Tritanopia (blue-blind)

#006180

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4f37ce;
/* rgb */ color: rgb(79, 55, 206);
/* oklch */ color: oklch(46.8% 0.218 281.1);

Tailwind

colors: {
  custom: {
    50: '#8f71de',
    500: '#4f37ce',
    950: '#000000',
  },
}

SCSS

$custom: #4f37ce;
$custom-light: #8f71de;
$custom-dark: #000000;

JSON

{
  "hex": "#4f37ce",
  "rgb": {
    "r": 79,
    "g": 55,
    "b": 206
  },
  "hsl": {
    "h": 249.536,
    "s": 60.643,
    "l": 51.176
  },
  "oklch": {
    "l": 0.46826,
    "c": 0.21802,
    "h": 281.1
  },
  "luminance": 0.08851
}

Semantic roles & 50–950 ramp

primary

#4F37CE

secondary

#C7D28F

accent

#E444CA

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #4F37CE

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

Preview Lab → · Contrast checker → · Palette generator →