#4F37AB#4F37AB

#4F37AB is a dark, vivid violet. Relative luminance 0.073; OKLCH L 43.6% C 0.175 H 286.1°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#4F37AB
RGB	rgb(79, 55, 171)
HSL	hsl(252, 51%, 44%)
HSV	hsv(252, 68%, 67%)
CMYK	cmyk(53.8%, 67.8%, 0%, 32.9%)
CIE-LAB	lab(32.56, 41.11, -58.69)
CIE-LCH	lch(32.56, 71.66, 305.01°)
OKLab	oklab(43.63% 0.0487 -0.1686)
OKLCH	oklch(43.63% 0.175 286.1)
XYZ	xyz(11.9391, 7.3343, 39.3067)
Luminance	0.0733 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.28

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F37AB #93AB37

analogous

#3759AB #4F37AB #8937AB

triadic

#4F37AB #AB4F37 #37AB4F

tetradic

#4F37AB #AB3759 #93AB37 #37AB89

square

#4F37AB #AB3759 #93AB37 #37AB89

split-complementary

#4F37AB #AB8937 #59AB37

monochromatic

#24194E #3A287D #4F37AB #6E56C9 #9685D8

Accessibility & contrast

On white

8.51

#4F37AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#4F37AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F37AB

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F37AB	#FFFFFF	#000000	##FFFFFF
##4F37AB	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AF

Deuteranopia (green-blind)

#0049A9

Tritanopia (blue-blind)

#29546C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #4f37ab;
/* rgb */ color: rgb(79, 55, 171);
/* oklch */ color: oklch(43.6% 0.175 286.1);

Tailwind

colors: {
  custom: {
    50: '#8970c5',
    500: '#4f37ab',
    950: '#000000',
  },
}

SCSS

$custom: #4f37ab;
$custom-light: #8970c5;
$custom-dark: #000000;

JSON

{
  "hex": "#4f37ab",
  "rgb": {
    "r": 79,
    "g": 55,
    "b": 171
  },
  "hsl": {
    "h": 252.414,
    "s": 51.327,
    "l": 44.314
  },
  "oklch": {
    "l": 0.4363,
    "c": 0.17547,
    "h": 286.1
  },
  "luminance": 0.07335
}

Semantic roles & 50–950 ramp

primary

#4F37AB

secondary

#B3C17C

accent

#DB4DBD

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4F37AB

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

Preview Lab → · Contrast checker → · Palette generator →