#4F37BB#4F37BB

#4F37BB is a mid, vivid violet. Relative luminance 0.080; OKLCH L 45.1% C 0.195 H 283.6°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#4F37BB
RGB	rgb(79, 55, 187)
HSL	hsl(251, 55%, 47%)
HSV	hsv(251, 71%, 73%)
CMYK	cmyk(57.8%, 70.6%, 0%, 26.7%)
CIE-LAB	lab(33.94, 45.97, -65.92)
CIE-LCH	lch(33.94, 80.37, 304.89°)
OKLab	oklab(45.05% 0.046 -0.1898)
OKLCH	oklch(45.05% 0.195 283.6)
XYZ	xyz(13.5575, 7.9816, 47.8303)
Luminance	0.0798 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F37BB #A3BB37

analogous

#3761BB #4F37BB #9137BB

triadic

#4F37BB #BB4F37 #37BB4F

tetradic

#4F37BB #BB3761 #A3BB37 #37BB91

square

#4F37BB #BB3761 #A3BB37 #37BB91

split-complementary

#4F37BB #BB9137 #61BB37

monochromatic

#271B5C #3B298C #4F37BB #745FD0 #9D8EDE

Accessibility & contrast

On white

8.09

#4F37BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#4F37BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F37BB

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F37BB	#FFFFFF	#000000	##FFFFFF
##4F37BB	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BF

Deuteranopia (green-blind)

#004BB8

Tritanopia (blue-blind)

#135A75

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4f37bb;
/* rgb */ color: rgb(79, 55, 187);
/* oklch */ color: oklch(45.1% 0.195 283.6);

Tailwind

colors: {
  custom: {
    50: '#8c70d1',
    500: '#4f37bb',
    950: '#000000',
  },
}

SCSS

$custom: #4f37bb;
$custom-light: #8c70d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f37bb",
  "rgb": {
    "r": 79,
    "g": 55,
    "b": 187
  },
  "hsl": {
    "h": 250.909,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.45053,
    "c": 0.1953,
    "h": 283.6
  },
  "luminance": 0.07982
}

Semantic roles & 50–950 ramp

primary

#4F37BB

secondary

#BCC985

accent

#DE4AC3

background

#F9F6FC

surface

#F1ECF9

border

#CBC7D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #4F37BB

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

Preview Lab → · Contrast checker → · Palette generator →