#4B1B7C#4B1B7C

#4B1B7C is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.3% C 0.153 H 301.3°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#4B1B7C
RGB	rgb(75, 27, 124)
HSL	hsl(270, 64%, 30%)
HSV	hsv(270, 78%, 49%)
CMYK	cmyk(39.5%, 78.2%, 0%, 51.4%)
CIE-LAB	lab(22.77, 41.76, -45.73)
CIE-LCH	lch(22.77, 61.92, 312.40°)
OKLab	oklab(35.31% 0.0793 -0.1305)
OKLCH	oklch(35.31% 0.153 301.3)
XYZ	xyz(6.9308, 3.7349, 19.4206)
Luminance	0.0374 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.52

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1B7C #4C7C1B

analogous

#1B1C7C #4B1B7C #7C1B7C

triadic

#4B1B7C #7C4B1B #1B7C4B

tetradic

#4B1B7C #7C1B1C #4C7C1B #1B7C7C

square

#4B1B7C #7C1B1C #4C7C1B #1B7C7C

split-complementary

#4B1B7C #7C7C1B #1C7C1B

monochromatic

#0F0519 #2D104A #4B1B7C #6926AE #883DD5

Accessibility & contrast

On white

12.02

#4B1B7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#4B1B7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1B7C

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1B7C	#FFFFFF	#000000	##FFFFFF
##4B1B7C	1.00	12.02	1.75	12.02
#FFFFFF	12.02	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367F

Deuteranopia (green-blind)

#00367A

Tritanopia (blue-blind)

#40344A

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #4b1b7c;
/* rgb */ color: rgb(75, 27, 124);
/* oklch */ color: oklch(35.3% 0.153 301.3);

Tailwind

colors: {
  custom: {
    50: '#825da3',
    500: '#4b1b7c',
    950: '#000000',
  },
}

SCSS

$custom: #4b1b7c;
$custom-light: #825da3;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1b7c",
  "rgb": {
    "r": 75,
    "g": 27,
    "b": 124
  },
  "hsl": {
    "h": 269.691,
    "s": 64.238,
    "l": 29.608
  },
  "oklch": {
    "l": 0.35311,
    "c": 0.15271,
    "h": 301.3
  },
  "luminance": 0.03735
}

Semantic roles & 50–950 ramp

primary

#4B1B7C

secondary

#7AB043

accent

#E74195

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B040F

muted

#7C797F

Preview Lab

Preview with #4B1B7C

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

Preview Lab → · Contrast checker → · Palette generator →