#4D37B3#4D37B3

#4D37B3 is a dark, vivid violet. Relative luminance 0.076; OKLCH L 44.2% C 0.186 H 283.9°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#4D37B3
RGB	rgb(77, 55, 179)
HSL	hsl(251, 53%, 46%)
HSV	hsv(251, 69%, 70%)
CMYK	cmyk(57%, 69.3%, 0%, 29.8%)
CIE-LAB	lab(33.06, 43.22, -62.65)
CIE-LCH	lch(33.06, 76.11, 304.60°)
OKLab	oklab(44.16% 0.0446 -0.1803)
OKLCH	oklch(44.16% 0.186 283.9)
XYZ	xyz(12.5609, 7.5641, 43.4372)
Luminance	0.0756 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.91

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D37B3 #9DB337

analogous

#375FB3 #4D37B3 #8B37B3

triadic

#4D37B3 #B34D37 #37B34D

tetradic

#4D37B3 #B3375F #9DB337 #37B38B

square

#4D37B3 #B3375F #9DB337 #37B38B

split-complementary

#4D37B3 #B38B37 #5FB337

monochromatic

#251A55 #392984 #4D37B3 #6F5BCD #988ADB

Accessibility & contrast

On white

8.36

#4D37B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#4D37B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D37B3

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D37B3	#FFFFFF	#000000	##FFFFFF
##4D37B3	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B7

Deuteranopia (green-blind)

#004AB1

Tritanopia (blue-blind)

#195771

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4d37b3;
/* rgb */ color: rgb(77, 55, 179);
/* oklch */ color: oklch(44.2% 0.186 283.9);

Tailwind

colors: {
  custom: {
    50: '#8970cb',
    500: '#4d37b3',
    950: '#000000',
  },
}

SCSS

$custom: #4d37b3;
$custom-light: #8970cb;
$custom-dark: #000000;

JSON

{
  "hex": "#4d37b3",
  "rgb": {
    "r": 77,
    "g": 55,
    "b": 179
  },
  "hsl": {
    "h": 250.645,
    "s": 52.991,
    "l": 45.882
  },
  "oklch": {
    "l": 0.44158,
    "c": 0.18571,
    "h": 283.9
  },
  "luminance": 0.07565
}

Semantic roles & 50–950 ramp

primary

#4D37B3

secondary

#B9C581

accent

#DC4BC3

background

#F9F6FC

surface

#F1ECF9

border

#CBC7D2

text

#0D0713

muted

#7E7A82

Preview Lab

Preview with #4D37B3

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

Preview Lab → · Contrast checker → · Palette generator →