#4B1A72#4B1A72

#4B1A72 is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.3% C 0.143 H 305.3°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#4B1A72
RGB	rgb(75, 26, 114)
HSL	hsl(273, 63%, 27%)
HSV	hsv(273, 77%, 45%)
CMYK	cmyk(34.2%, 77.2%, 0%, 55.3%)
CIE-LAB	lab(21.76, 39.67, -40.98)
CIE-LCH	lch(21.76, 57.03, 314.07°)
OKLab	oklab(34.33% 0.0826 -0.1166)
OKLCH	oklch(34.33% 0.143 305.3)
XYZ	xyz(6.3076, 3.4496, 16.2499)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1A72 #41721A

analogous

#1F1A72 #4B1A72 #721A6D

triadic

#4B1A72 #724B1A #1A724B

tetradic

#4B1A72 #721F1A #41721A #1A6D72

square

#4B1A72 #721F1A #41721A #1A6D72

split-complementary

#4B1A72 #6D721A #1A721F

monochromatic

#100619 #2A0F40 #4B1A72 #6C25A4 #8C35D1

Accessibility & contrast

On white

12.43

#4B1A72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#4B1A72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1A72

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1A72	#FFFFFF	#000000	##FFFFFF
##4B1A72	1.00	12.43	1.69	12.43
#FFFFFF	12.43	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003374

Deuteranopia (green-blind)

#003470

Tritanopia (blue-blind)

#442F44

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #4b1a72;
/* rgb */ color: rgb(75, 26, 114);
/* oklch */ color: oklch(34.3% 0.143 305.3);

Tailwind

colors: {
  custom: {
    50: '#815c9b',
    500: '#4b1a72',
    950: '#000000',
  },
}

SCSS

$custom: #4b1a72;
$custom-light: #815c9b;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1a72",
  "rgb": {
    "r": 75,
    "g": 26,
    "b": 114
  },
  "hsl": {
    "h": 273.409,
    "s": 62.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.34331,
    "c": 0.14288,
    "h": 305.3
  },
  "luminance": 0.0345
}

Semantic roles & 50–950 ramp

primary

#4B1A72

secondary

#6EA741

accent

#E6428B

background

#F8F5F9

surface

#EFE9F2

border

#CAC5CC

text

#0B040E

muted

#7C797E

Preview Lab

Preview with #4B1A72

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

Preview Lab → · Contrast checker → · Palette generator →