#4D37BB#4D37BB

#4D37BB is a dark, vivid violet. Relative luminance 0.079; OKLCH L 44.9% C 0.196 H 282.8°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#4D37BB
RGB	rgb(77, 55, 187)
HSL	hsl(250, 55%, 47%)
HSV	hsv(250, 71%, 73%)
CMYK	cmyk(58.8%, 70.6%, 0%, 26.7%)
CIE-LAB	lab(33.77, 45.67, -66.22)
CIE-LCH	lch(33.77, 80.44, 304.59°)
OKLab	oklab(44.88% 0.0432 -0.1907)
OKLCH	oklch(44.88% 0.196 282.8)
XYZ	xyz(13.3936, 7.8971, 47.8226)
Luminance	0.0790 (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

#4D37BB #A5BB37

analogous

#3763BB #4D37BB #8F37BB

triadic

#4D37BB #BB4D37 #37BB4D

tetradic

#4D37BB #BB3763 #A5BB37 #37BB8F

square

#4D37BB #BB3763 #A5BB37 #37BB8F

split-complementary

#4D37BB #BB8F37 #63BB37

monochromatic

#261B5C #3A298C #4D37BB #725FD0 #9C8EDE

Accessibility & contrast

On white

8.14

#4D37BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#4D37BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D37BB

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D37BB	#FFFFFF	#000000	##FFFFFF
##4D37BB	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BF

Deuteranopia (green-blind)

#004BB9

Tritanopia (blue-blind)

#055A75

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4d37bb;
/* rgb */ color: rgb(77, 55, 187);
/* oklch */ color: oklch(44.9% 0.196 282.8);

Tailwind

colors: {
  custom: {
    50: '#8b70d1',
    500: '#4d37bb',
    950: '#000000',
  },
}

SCSS

$custom: #4d37bb;
$custom-light: #8b70d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4d37bb",
  "rgb": {
    "r": 77,
    "g": 55,
    "b": 187
  },
  "hsl": {
    "h": 250,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.44883,
    "c": 0.19557,
    "h": 282.8
  },
  "luminance": 0.07898
}

Semantic roles & 50–950 ramp

primary

#4D37BB

secondary

#BDC985

accent

#DE4AC5

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0814

muted

#7E7B83

Preview Lab

Preview with #4D37BB

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

Preview Lab → · Contrast checker → · Palette generator →