#4F37CF#4F37CF

#4F37CF is a mid, highly saturated blue. Relative luminance 0.089; OKLCH L 46.9% C 0.219 H 281.0°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#4F37CF
RGB	rgb(79, 55, 207)
HSL	hsl(249, 61%, 51%)
HSV	hsv(249, 73%, 81%)
CMYK	cmyk(61.8%, 73.4%, 0%, 18.8%)
CIE-LAB	lab(35.79, 51.98, -74.59)
CIE-LCH	lch(35.79, 90.92, 304.87°)
OKLab	oklab(46.92% 0.0419 -0.2152)
OKLCH	oklch(46.92% 0.219 281)
XYZ	xyz(15.8496, 8.8985, 59.9017)
Luminance	0.0890 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 0.91

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F37CF #B7CF37

analogous

#376BCF #4F37CF #9B37CF

triadic

#4F37CF #CF4F37 #37CF4F

tetradic

#4F37CF #CF376B #B7CF37 #37CF9B

square

#4F37CF #CF376B #B7CF37 #37CF9B

split-complementary

#4F37CF #CF9B37 #6BCF37

monochromatic

#291B71 #3A27A2 #4F37CF #7A68DB #A69AE7

Accessibility & contrast

On white

7.55

#4F37CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#4F37CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F37CF

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F37CF	#FFFFFF	#000000	##FFFFFF
##4F37CF	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059D3

Deuteranopia (green-blind)

#004ECC

Tritanopia (blue-blind)

#006280

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4f37cf;
/* rgb */ color: rgb(79, 55, 207);
/* oklch */ color: oklch(46.9% 0.219 281.0);

Tailwind

colors: {
  custom: {
    50: '#8f71df',
    500: '#4f37cf',
    950: '#000000',
  },
}

SCSS

$custom: #4f37cf;
$custom-light: #8f71df;
$custom-dark: #000000;

JSON

{
  "hex": "#4f37cf",
  "rgb": {
    "r": 79,
    "g": 55,
    "b": 207
  },
  "hsl": {
    "h": 249.474,
    "s": 61.29,
    "l": 51.373
  },
  "oklch": {
    "l": 0.46922,
    "c": 0.21919,
    "h": 281
  },
  "luminance": 0.089
}

Semantic roles & 50–950 ramp

primary

#4F37CF

secondary

#C8D28F

accent

#E443CB

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #4F37CF

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

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