#4B1B8A#4B1B8A

#4B1B8A is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.6% C 0.168 H 296.6°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#4B1B8A
RGB	rgb(75, 27, 138)
HSL	hsl(266, 67%, 32%)
HSV	hsv(266, 80%, 54%)
CMYK	cmyk(45.7%, 80.4%, 0%, 45.9%)
CIE-LAB	lab(24.05, 45.41, -52.47)
CIE-LCH	lch(24.05, 69.39, 310.87°)
OKLab	oklab(36.59% 0.0753 -0.1503)
OKLCH	oklch(36.59% 0.168 296.6)
XYZ	xyz(7.8798, 4.1145, 24.4188)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1B8A #5A8A1B

analogous

#1B228A #4B1B8A #831B8A

triadic

#4B1B8A #8A4B1B #1B8A4B

tetradic

#4B1B8A #8A1B22 #5A8A1B #1B8A83

square

#4B1B8A #8A1B22 #5A8A1B #1B8A83

split-complementary

#4B1B8A #8A831B #228A1B

monochromatic

#130724 #2F1157 #4B1B8A #6725BD #8645DB

Accessibility & contrast

On white

11.52

#4B1B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#4B1B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1B8A

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1B8A	#FFFFFF	#000000	##FFFFFF
##4B1B8A	1.00	11.52	1.82	11.52
#FFFFFF	11.52	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8D

Deuteranopia (green-blind)

#003888

Tritanopia (blue-blind)

#3A3A52

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #4b1b8a;
/* rgb */ color: rgb(75, 27, 138);
/* oklch */ color: oklch(36.6% 0.168 296.6);

Tailwind

colors: {
  custom: {
    50: '#845ead',
    500: '#4b1b8a',
    950: '#000000',
  },
}

SCSS

$custom: #4b1b8a;
$custom-light: #845ead;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1b8a",
  "rgb": {
    "r": 75,
    "g": 27,
    "b": 138
  },
  "hsl": {
    "h": 265.946,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.36593,
    "c": 0.16811,
    "h": 296.6
  },
  "luminance": 0.04115
}

Semantic roles & 50–950 ramp

primary

#4B1B8A

secondary

#88BC45

accent

#EA3EA0

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #4B1B8A

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

Preview Lab → · Contrast checker → · Palette generator →