#4A1B79#4A1B79

#4A1B79 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 34.9% C 0.149 H 301.7°. Best body text is #FFFFFF at 12.18:1 contrast (WCAG AA passes).

Color values

HEX	#4A1B79
RGB	rgb(74, 27, 121)
HSL	hsl(270, 64%, 29%)
HSV	hsv(270, 78%, 47%)
CMYK	cmyk(38.8%, 77.7%, 0%, 52.5%)
CIE-LAB	lab(22.37, 40.79, -44.48)
CIE-LCH	lch(22.37, 60.35, 312.53°)
OKLab	oklab(34.92% 0.0785 -0.1269)
OKLCH	oklch(34.92% 0.149 301.7)
XYZ	xyz(6.6663, 3.6202, 18.4330)
Luminance	0.0362 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.75

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A1B79 #4A791B

analogous

#1B1B79 #4A1B79 #791B79

triadic

#4A1B79 #794A1B #1B794A

tetradic

#4A1B79 #791B1B #4A791B #1B7979

square

#4A1B79 #791B1B #4A791B #1B7979

split-complementary

#4A1B79 #79791B #1B791B

monochromatic

#0F0619 #2B1047 #4A1B79 #6926AB #873BD3

Accessibility & contrast

On white

12.18

#4A1B79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#4A1B79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4A1B79

12.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A1B79	#FFFFFF	#000000	##FFFFFF
##4A1B79	1.00	12.18	1.72	12.18
#FFFFFF	12.18	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357C

Deuteranopia (green-blind)

#003577

Tritanopia (blue-blind)

#403349

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #4a1b79;
/* rgb */ color: rgb(74, 27, 121);
/* oklch */ color: oklch(34.9% 0.149 301.7);

Tailwind

colors: {
  custom: {
    50: '#815da0',
    500: '#4a1b79',
    950: '#000000',
  },
}

SCSS

$custom: #4a1b79;
$custom-light: #815da0;
$custom-dark: #000000;

JSON

{
  "hex": "#4a1b79",
  "rgb": {
    "r": 74,
    "g": 27,
    "b": 121
  },
  "hsl": {
    "h": 270,
    "s": 63.514,
    "l": 29.02
  },
  "oklch": {
    "l": 0.34917,
    "c": 0.1492,
    "h": 301.7
  },
  "luminance": 0.0362
}

Semantic roles & 50–950 ramp

primary

#4A1B79

secondary

#78AD43

accent

#E74194

background

#F8F5FA

surface

#EFE9F3

border

#CAC5CD

text

#0B040F

muted

#7C797F

Preview Lab

Preview with #4A1B79

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

Preview Lab → · Contrast checker → · Palette generator →