#4E37B0#4E37B0

#4E37B0 is a dark, vivid violet. Relative luminance 0.075; OKLCH L 44.0% C 0.182 H 284.8°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#4E37B0
RGB	rgb(78, 55, 176)
HSL	hsl(251, 52%, 45%)
HSV	hsv(251, 69%, 69%)
CMYK	cmyk(55.7%, 68.8%, 0%, 31%)
CIE-LAB	lab(32.89, 42.47, -61.14)
CIE-LCH	lch(32.89, 74.44, 304.79°)
OKLab	oklab(43.98% 0.0465 -0.1758)
OKLCH	oklch(43.98% 0.182 284.8)
XYZ	xyz(12.3422, 7.4860, 41.8605)
Luminance	0.0749 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.00

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E37B0 #99B037

analogous

#375CB0 #4E37B0 #8A37B0

triadic

#4E37B0 #B04E37 #37B04E

tetradic

#4E37B0 #B0375C #99B037 #37B08A

square

#4E37B0 #B0375C #99B037 #37B08A

split-complementary

#4E37B0 #B08A37 #5CB037

monochromatic

#251A53 #392881 #4E37B0 #6F59CB #9788DA

Accessibility & contrast

On white

8.41

#4E37B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#4E37B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4E37B0

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E37B0	#FFFFFF	#000000	##FFFFFF
##4E37B0	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B4

Deuteranopia (green-blind)

#004AAE

Tritanopia (blue-blind)

#21566F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #4e37b0;
/* rgb */ color: rgb(78, 55, 176);
/* oklch */ color: oklch(44.0% 0.182 284.8);

Tailwind

colors: {
  custom: {
    50: '#8a70c9',
    500: '#4e37b0',
    950: '#000000',
  },
}

SCSS

$custom: #4e37b0;
$custom-light: #8a70c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4e37b0",
  "rgb": {
    "r": 78,
    "g": 55,
    "b": 176
  },
  "hsl": {
    "h": 251.405,
    "s": 52.381,
    "l": 45.294
  },
  "oklch": {
    "l": 0.43978,
    "c": 0.18184,
    "h": 284.8
  },
  "luminance": 0.07487
}

Semantic roles & 50–950 ramp

primary

#4E37B0

secondary

#B7C47F

accent

#DC4CC0

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0D0713

muted

#7D7A82

Preview Lab

Preview with #4E37B0

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

Preview Lab → · Contrast checker → · Palette generator →