#4B1A78#4B1A78

#4B1A78 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 34.8% C 0.149 H 302.9°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#4B1A78
RGB	rgb(75, 26, 120)
HSL	hsl(271, 64%, 29%)
HSV	hsv(271, 78%, 47%)
CMYK	cmyk(37.5%, 78.3%, 0%, 52.9%)
CIE-LAB	lab(22.27, 41.18, -44.00)
CIE-LCH	lch(22.27, 60.27, 313.10°)
OKLab	oklab(34.85% 0.0812 -0.1255)
OKLCH	oklch(34.85% 0.149 302.9)
XYZ	xyz(6.6604, 3.5907, 18.1078)
Luminance	0.0359 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.69

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1A78 #47781A

analogous

#1C1A78 #4B1A78 #781A76

triadic

#4B1A78 #784B1A #1A784B

tetradic

#4B1A78 #781C1A #47781A #1A7678

square

#4B1A78 #781C1A #47781A #1A7678

split-complementary

#4B1A78 #76781A #1A781C

monochromatic

#100519 #2C0F46 #4B1A78 #6A25AA #8A38D4

Accessibility & contrast

On white

12.22

#4B1A78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#4B1A78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1A78

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1A78	#FFFFFF	#000000	##FFFFFF
##4B1A78	1.00	12.22	1.72	12.22
#FFFFFF	12.22	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347B

Deuteranopia (green-blind)

#003576

Tritanopia (blue-blind)

#423248

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #4b1a78;
/* rgb */ color: rgb(75, 26, 120);
/* oklch */ color: oklch(34.8% 0.149 302.9);

Tailwind

colors: {
  custom: {
    50: '#825ca0',
    500: '#4b1a78',
    950: '#000000',
  },
}

SCSS

$custom: #4b1a78;
$custom-light: #825ca0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1a78",
  "rgb": {
    "r": 75,
    "g": 26,
    "b": 120
  },
  "hsl": {
    "h": 271.277,
    "s": 64.384,
    "l": 28.627
  },
  "oklch": {
    "l": 0.34847,
    "c": 0.14945,
    "h": 302.9
  },
  "luminance": 0.03591
}

Semantic roles & 50–950 ramp

primary

#4B1A78

secondary

#75AC41

accent

#E74090

background

#F8F5F9

surface

#EFE9F2

border

#CAC5CC

text

#0B040F

muted

#7C797E

Preview Lab

Preview with #4B1A78

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

Preview Lab → · Contrast checker → · Palette generator →