#4E37B7#4E37B7

#4E37B7 is a dark, vivid violet. Relative luminance 0.078; OKLCH L 44.6% C 0.191 H 283.8°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#4E37B7
RGB	rgb(78, 55, 183)
HSL	hsl(251, 54%, 47%)
HSV	hsv(251, 70%, 72%)
CMYK	cmyk(57.4%, 69.9%, 0%, 28.2%)
CIE-LAB	lab(33.50, 44.60, -64.29)
CIE-LCH	lch(33.50, 78.25, 304.75°)
OKLab	oklab(44.6% 0.0453 -0.1851)
OKLCH	oklch(44.6% 0.191 283.8)
XYZ	xyz(13.0527, 7.7702, 45.6026)
Luminance	0.0777 (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

#4E37B7 #A0B737

analogous

#3760B7 #4E37B7 #8E37B7

triadic

#4E37B7 #B74E37 #37B74E

tetradic

#4E37B7 #B73760 #A0B737 #37B78E

square

#4E37B7 #B73760 #A0B737 #37B78E

split-complementary

#4E37B7 #B78E37 #60B737

monochromatic

#261B59 #3A2988 #4E37B7 #715DCE #9A8CDC

Accessibility & contrast

On white

8.22

#4E37B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#4E37B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4E37B7

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E37B7	#FFFFFF	#000000	##FFFFFF
##4E37B7	1.00	8.22	2.55	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BB

Deuteranopia (green-blind)

#004BB5

Tritanopia (blue-blind)

#165973

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4e37b7;
/* rgb */ color: rgb(78, 55, 183);
/* oklch */ color: oklch(44.6% 0.191 283.8);

Tailwind

colors: {
  custom: {
    50: '#8b70ce',
    500: '#4e37b7',
    950: '#000000',
  },
}

SCSS

$custom: #4e37b7;
$custom-light: #8b70ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4e37b7",
  "rgb": {
    "r": 78,
    "g": 55,
    "b": 183
  },
  "hsl": {
    "h": 250.781,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.44604,
    "c": 0.19052,
    "h": 283.8
  },
  "luminance": 0.07771
}

Semantic roles & 50–950 ramp

primary

#4E37B7

secondary

#BBC783

accent

#DD4BC3

background

#F9F6FC

surface

#F1ECF9

border

#CBC7D2

text

#0D0714

muted

#7E7A82

Preview Lab

Preview with #4E37B7

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

Preview Lab → · Contrast checker → · Palette generator →