#4E37B1#4E37B1

#4E37B1 is a dark, vivid violet. Relative luminance 0.075; OKLCH L 44.1% C 0.183 H 284.7°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#4E37B1
RGB	rgb(78, 55, 177)
HSL	hsl(251, 53%, 45%)
HSV	hsv(251, 69%, 69%)
CMYK	cmyk(55.9%, 68.9%, 0%, 30.6%)
CIE-LAB	lab(32.97, 42.77, -61.59)
CIE-LCH	lch(32.97, 74.99, 304.78°)
OKLab	oklab(44.07% 0.0463 -0.1771)
OKLCH	oklch(44.07% 0.183 284.7)
XYZ	xyz(12.4415, 7.5257, 42.3835)
Luminance	0.0753 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.97

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E37B1 #9AB137

analogous

#375DB1 #4E37B1 #8B37B1

triadic

#4E37B1 #B14E37 #37B14E

tetradic

#4E37B1 #B1375D #9AB137 #37B18B

square

#4E37B1 #B1375D #9AB137 #37B18B

split-complementary

#4E37B1 #B18B37 #5DB137

monochromatic

#251A54 #392882 #4E37B1 #6F5ACC #9888DA

Accessibility & contrast

On white

8.38

#4E37B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#4E37B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4E37B1

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E37B1	#FFFFFF	#000000	##FFFFFF
##4E37B1	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B5

Deuteranopia (green-blind)

#004AAF

Tritanopia (blue-blind)

#20576F

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4e37b1;
/* rgb */ color: rgb(78, 55, 177);
/* oklch */ color: oklch(44.1% 0.183 284.7);

Tailwind

colors: {
  custom: {
    50: '#8a70c9',
    500: '#4e37b1',
    950: '#000000',
  },
}

SCSS

$custom: #4e37b1;
$custom-light: #8a70c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4e37b1",
  "rgb": {
    "r": 78,
    "g": 55,
    "b": 177
  },
  "hsl": {
    "h": 251.311,
    "s": 52.586,
    "l": 45.49
  },
  "oklch": {
    "l": 0.44067,
    "c": 0.1831,
    "h": 284.7
  },
  "luminance": 0.07526
}

Semantic roles & 50–950 ramp

primary

#4E37B1

secondary

#B7C480

accent

#DC4CC1

background

#F9F6FC

surface

#F1ECF8

border

#CBC7D1

text

#0D0713

muted

#7E7A82

Preview Lab

Preview with #4E37B1

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

Preview Lab → · Contrast checker → · Palette generator →