#4B1B77#4B1B77

#4B1B77 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 34.9% C 0.147 H 303.1°. Best body text is #FFFFFF at 12.19:1 contrast (WCAG AA passes).

Color values

HEX	#4B1B77
RGB	rgb(75, 27, 119)
HSL	hsl(271, 63%, 29%)
HSV	hsv(271, 77%, 47%)
CMYK	cmyk(37%, 77.3%, 0%, 53.3%)
CIE-LAB	lab(22.34, 40.47, -43.24)
CIE-LCH	lch(22.34, 59.23, 313.11°)
OKLab	oklab(34.87% 0.0805 -0.1232)
OKLCH	oklch(34.87% 0.147 303.1)
XYZ	xyz(6.6226, 3.6116, 17.7974)
Luminance	0.0361 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1B77 #47771B

analogous

#1D1B77 #4B1B77 #771B75

triadic

#4B1B77 #774B1B #1B774B

tetradic

#4B1B77 #771D1B #47771B #1B7577

square

#4B1B77 #771D1B #47771B #1B7577

split-complementary

#4B1B77 #75771B #1B771D

monochromatic

#100619 #2C1045 #4B1B77 #6A26A9 #8A3AD2

Accessibility & contrast

On white

12.19

#4B1B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#4B1B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1B77

12.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1B77	#FFFFFF	#000000	##FFFFFF
##4B1B77	1.00	12.19	1.72	12.19
#FFFFFF	12.19	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357A

Deuteranopia (green-blind)

#003575

Tritanopia (blue-blind)

#423248

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #4b1b77;
/* rgb */ color: rgb(75, 27, 119);
/* oklch */ color: oklch(34.9% 0.147 303.1);

Tailwind

colors: {
  custom: {
    50: '#825d9f',
    500: '#4b1b77',
    950: '#000000',
  },
}

SCSS

$custom: #4b1b77;
$custom-light: #825d9f;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1b77",
  "rgb": {
    "r": 75,
    "g": 27,
    "b": 119
  },
  "hsl": {
    "h": 271.304,
    "s": 63.014,
    "l": 28.627
  },
  "oklch": {
    "l": 0.34873,
    "c": 0.14719,
    "h": 303.1
  },
  "luminance": 0.03612
}

Semantic roles & 50–950 ramp

primary

#4B1B77

secondary

#75AB42

accent

#E64290

background

#F8F5F9

surface

#EFE9F2

border

#CAC5CC

text

#0B040E

muted

#7C797E

Preview Lab

Preview with #4B1B77

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

Preview Lab → · Contrast checker → · Palette generator →