#4B1F72#4B1F72

#4B1F72 is a dark, vivid violet. Relative luminance 0.037; OKLCH L 34.9% C 0.136 H 304.4°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#4B1F72
RGB	rgb(75, 31, 114)
HSL	hsl(272, 57%, 28%)
HSV	hsv(272, 73%, 45%)
CMYK	cmyk(34.2%, 72.8%, 0%, 55.3%)
CIE-LAB	lab(22.62, 37.24, -39.58)
CIE-LCH	lch(22.62, 54.35, 313.25°)
OKLab	oklab(34.94% 0.0772 -0.1125)
OKLCH	oklch(34.94% 0.136 304.4)
XYZ	xyz(6.4282, 3.6908, 16.2901)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1F72 #46721F

analogous

#211F72 #4B1F72 #721F6F

triadic

#4B1F72 #724B1F #1F724B

tetradic

#4B1F72 #72211F #46721F #1F6F72

square

#4B1F72 #72211F #46721F #1F6F72

split-complementary

#4B1F72 #6F721F #1F7221

monochromatic

#100718 #2B1242 #4B1F72 #6B2CA2 #8A40CB

Accessibility & contrast

On white

12.08

#4B1F72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#4B1F72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1F72

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1F72	#FFFFFF	#000000	##FFFFFF
##4B1F72	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003574

Deuteranopia (green-blind)

#003670

Tritanopia (blue-blind)

#443246

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #4b1f72;
/* rgb */ color: rgb(75, 31, 114);
/* oklch */ color: oklch(34.9% 0.136 304.4);

Tailwind

colors: {
  custom: {
    50: '#815f9b',
    500: '#4b1f72',
    950: '#000000',
  },
}

SCSS

$custom: #4b1f72;
$custom-light: #815f9b;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1f72",
  "rgb": {
    "r": 75,
    "g": 31,
    "b": 114
  },
  "hsl": {
    "h": 271.807,
    "s": 57.241,
    "l": 28.431
  },
  "oklch": {
    "l": 0.34941,
    "c": 0.13643,
    "h": 304.4
  },
  "luminance": 0.03691
}

Semantic roles & 50–950 ramp

primary

#4B1F72

secondary

#74A647

accent

#E0478F

background

#F8F5F9

surface

#EFE9F2

border

#CAC5CC

text

#0B050E

muted

#7C797E

Preview Lab

Preview with #4B1F72

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

Preview Lab → · Contrast checker → · Palette generator →