#4B1A71#4B1A71

#4B1A71 is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.2% C 0.142 H 305.7°. Best body text is #FFFFFF at 12.46:1 contrast (WCAG AA passes).

Color values

HEX	#4B1A71
RGB	rgb(75, 26, 113)
HSL	hsl(274, 63%, 27%)
HSV	hsv(274, 77%, 44%)
CMYK	cmyk(33.6%, 77%, 0%, 55.7%)
CIE-LAB	lab(21.68, 39.42, -40.47)
CIE-LCH	lch(21.68, 56.49, 314.24°)
OKLab	oklab(34.25% 0.0828 -0.1151)
OKLCH	oklch(34.25% 0.142 305.7)
XYZ	xyz(6.2510, 3.4269, 15.9517)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1A71 #40711A

analogous

#1F1A71 #4B1A71 #711A6C

triadic

#4B1A71 #714B1A #1A714B

tetradic

#4B1A71 #711F1A #40711A #1A6C71

square

#4B1A71 #711F1A #40711A #1A6C71

split-complementary

#4B1A71 #6C711A #1A711F

monochromatic

#110619 #2A0F3F #4B1A71 #6C25A3 #8D35D0

Accessibility & contrast

On white

12.46

#4B1A71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#4B1A71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1A71

12.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1A71	#FFFFFF	#000000	##FFFFFF
##4B1A71	1.00	12.46	1.69	12.46
#FFFFFF	12.46	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003373

Deuteranopia (green-blind)

#00346F

Tritanopia (blue-blind)

#442F44

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #4b1a71;
/* rgb */ color: rgb(75, 26, 113);
/* oklch */ color: oklch(34.2% 0.142 305.7);

Tailwind

colors: {
  custom: {
    50: '#815c9a',
    500: '#4b1a71',
    950: '#000000',
  },
}

SCSS

$custom: #4b1a71;
$custom-light: #815c9a;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1a71",
  "rgb": {
    "r": 75,
    "g": 26,
    "b": 113
  },
  "hsl": {
    "h": 273.793,
    "s": 62.59,
    "l": 27.255
  },
  "oklch": {
    "l": 0.34246,
    "c": 0.14178,
    "h": 305.7
  },
  "luminance": 0.03427
}

Semantic roles & 50–950 ramp

primary

#4B1A71

secondary

#6DA641

accent

#E6428A

background

#F8F5F9

surface

#EFE9F2

border

#CAC5CC

text

#0B040E

muted

#7C797E

Preview Lab

Preview with #4B1A71

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

Preview Lab → · Contrast checker → · Palette generator →