#4B1A73#4B1A73

#4B1A73 is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.4% C 0.144 H 304.9°. Best body text is #FFFFFF at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#4B1A73
RGB	rgb(75, 26, 115)
HSL	hsl(273, 63%, 28%)
HSV	hsv(273, 77%, 45%)
CMYK	cmyk(34.8%, 77.4%, 0%, 54.9%)
CIE-LAB	lab(21.84, 39.92, -41.49)
CIE-LCH	lch(21.84, 57.57, 313.90°)
OKLab	oklab(34.42% 0.0824 -0.1181)
OKLCH	oklch(34.42% 0.144 304.9)
XYZ	xyz(6.3649, 3.4725, 16.5513)
Luminance	0.0347 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1A73 #42731A

analogous

#1F1A73 #4B1A73 #731A6E

triadic

#4B1A73 #734B1A #1A734B

tetradic

#4B1A73 #731F1A #42731A #1A6E73

square

#4B1A73 #731F1A #42731A #1A6E73

split-complementary

#4B1A73 #6E731A #1A731F

monochromatic

#100619 #2A0F41 #4B1A73 #6C25A5 #8C36D2

Accessibility & contrast

On white

12.39

#4B1A73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#4B1A73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1A73

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1A73	#FFFFFF	#000000	##FFFFFF
##4B1A73	1.00	12.39	1.69	12.39
#FFFFFF	12.39	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003376

Deuteranopia (green-blind)

#003471

Tritanopia (blue-blind)

#433045

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #4b1a73;
/* rgb */ color: rgb(75, 26, 115);
/* oklch */ color: oklch(34.4% 0.144 304.9);

Tailwind

colors: {
  custom: {
    50: '#825c9c',
    500: '#4b1a73',
    950: '#000000',
  },
}

SCSS

$custom: #4b1a73;
$custom-light: #825c9c;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1a73",
  "rgb": {
    "r": 75,
    "g": 26,
    "b": 115
  },
  "hsl": {
    "h": 273.034,
    "s": 63.121,
    "l": 27.647
  },
  "oklch": {
    "l": 0.34416,
    "c": 0.14397,
    "h": 304.9
  },
  "luminance": 0.03472
}

Semantic roles & 50–950 ramp

primary

#4B1A73

secondary

#6FA841

accent

#E6428C

background

#F8F5F9

surface

#EFE9F2

border

#CAC5CC

text

#0B040E

muted

#7C797E

Preview Lab

Preview with #4B1A73

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

Preview Lab → · Contrast checker → · Palette generator →