#4B1B7A#4B1B7A

#4B1B7A is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.1% C 0.150 H 302.0°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#4B1B7A
RGB	rgb(75, 27, 122)
HSL	hsl(270, 64%, 29%)
HSV	hsv(270, 78%, 48%)
CMYK	cmyk(38.5%, 77.9%, 0%, 52.2%)
CIE-LAB	lab(22.60, 41.24, -44.74)
CIE-LCH	lch(22.60, 60.85, 312.67°)
OKLab	oklab(35.13% 0.0798 -0.1276)
OKLCH	oklch(35.13% 0.151 302)
XYZ	xyz(6.8056, 3.6848, 18.7613)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.68

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1B7A #4A7A1B

analogous

#1C1B7A #4B1B7A #7A1B7A

triadic

#4B1B7A #7A4B1B #1B7A4B

tetradic

#4B1B7A #7A1C1B #4A7A1B #1B7A7A

square

#4B1B7A #7A1C1B #4A7A1B #1B7A7A

split-complementary

#4B1B7A #7A7A1B #1B7A1C

monochromatic

#0F0619 #2C1048 #4B1B7A #6A26AC #893CD4

Accessibility & contrast

On white

12.09

#4B1B7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#4B1B7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1B7A

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1B7A	#FFFFFF	#000000	##FFFFFF
##4B1B7A	1.00	12.09	1.74	12.09
#FFFFFF	12.09	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357D

Deuteranopia (green-blind)

#003678

Tritanopia (blue-blind)

#413349

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #4b1b7a;
/* rgb */ color: rgb(75, 27, 122);
/* oklch */ color: oklch(35.1% 0.150 302.0);

Tailwind

colors: {
  custom: {
    50: '#825da1',
    500: '#4b1b7a',
    950: '#000000',
  },
}

SCSS

$custom: #4b1b7a;
$custom-light: #825da1;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1b7a",
  "rgb": {
    "r": 75,
    "g": 27,
    "b": 122
  },
  "hsl": {
    "h": 270.316,
    "s": 63.758,
    "l": 29.216
  },
  "oklch": {
    "l": 0.35134,
    "c": 0.1505,
    "h": 302
  },
  "luminance": 0.03685
}

Semantic roles & 50–950 ramp

primary

#4B1B7A

secondary

#78AE43

accent

#E74193

background

#F8F5FA

surface

#EFE9F3

border

#CAC5CD

text

#0B040F

muted

#7C797F

Preview Lab

Preview with #4B1B7A

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

Preview Lab → · Contrast checker → · Palette generator →