#4F37AC#4F37AC

#4F37AC is a dark, vivid violet. Relative luminance 0.074; OKLCH L 43.7% C 0.177 H 285.9°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#4F37AC
RGB	rgb(79, 55, 172)
HSL	hsl(252, 52%, 45%)
HSV	hsv(252, 68%, 67%)
CMYK	cmyk(54.1%, 68%, 0%, 32.5%)
CIE-LAB	lab(32.64, 41.42, -59.15)
CIE-LCH	lch(32.64, 72.21, 305.00°)
OKLab	oklab(43.72% 0.0485 -0.1699)
OKLCH	oklch(43.72% 0.177 285.9)
XYZ	xyz(12.0348, 7.3726, 39.8106)
Luminance	0.0737 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.22

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F37AC #94AC37

analogous

#3759AC #4F37AC #8A37AC

triadic

#4F37AC #AC4F37 #37AC4F

tetradic

#4F37AC #AC3759 #94AC37 #37AC8A

square

#4F37AC #AC3759 #94AC37 #37AC8A

split-complementary

#4F37AC #AC8A37 #59AC37

monochromatic

#24194F #3A287E #4F37AC #6E57C9 #9685D8

Accessibility & contrast

On white

8.49

#4F37AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#4F37AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F37AC

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F37AC	#FFFFFF	#000000	##FFFFFF
##4F37AC	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B0

Deuteranopia (green-blind)

#0049AA

Tritanopia (blue-blind)

#28556D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #4f37ac;
/* rgb */ color: rgb(79, 55, 172);
/* oklch */ color: oklch(43.7% 0.177 285.9);

Tailwind

colors: {
  custom: {
    50: '#8970c6',
    500: '#4f37ac',
    950: '#000000',
  },
}

SCSS

$custom: #4f37ac;
$custom-light: #8970c6;
$custom-dark: #000000;

JSON

{
  "hex": "#4f37ac",
  "rgb": {
    "r": 79,
    "g": 55,
    "b": 172
  },
  "hsl": {
    "h": 252.308,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.43717,
    "c": 0.17673,
    "h": 285.9
  },
  "luminance": 0.07373
}

Semantic roles & 50–950 ramp

primary

#4F37AC

secondary

#B4C27D

accent

#DB4DBE

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0D0713

muted

#7D7A82

Preview Lab

Preview with #4F37AC

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

Preview Lab → · Contrast checker → · Palette generator →