#4B1B9F#4B1B9F

#4B1B9F is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.6% C 0.191 H 290.9°. Best body text is #FFFFFF at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#4B1B9F
RGB	rgb(75, 27, 159)
HSL	hsl(262, 71%, 36%)
HSV	hsv(262, 83%, 62%)
CMYK	cmyk(52.8%, 83%, 0%, 37.6%)
CIE-LAB	lab(26.11, 50.95, -62.04)
CIE-LCH	lch(26.11, 80.28, 309.40°)
OKLab	oklab(38.64% 0.0682 -0.1783)
OKLCH	oklch(38.64% 0.191 290.9)
XYZ	xyz(9.5498, 4.7825, 33.2141)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1B9F #6F9F1B

analogous

#1B2D9F #4B1B9F #8D1B9F

triadic

#4B1B9F #9F4B1B #1B9F4B

tetradic

#4B1B9F #9F1B2D #6F9F1B #1B9F8D

square

#4B1B9F #9F1B2D #6F9F1B #1B9F8D

split-complementary

#4B1B9F #9F8D1B #2D9F1B

monochromatic

#1A0936 #32126B #4B1B9F #6424D3 #8753E2

Accessibility & contrast

On white

10.73

#4B1B9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#4B1B9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1B9F

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1B9F	#FFFFFF	#000000	##FFFFFF
##4B1B9F	1.00	10.73	1.96	10.73
#FFFFFF	10.73	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A3

Deuteranopia (green-blind)

#003B9D

Tritanopia (blue-blind)

#2C435F

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #4b1b9f;
/* rgb */ color: rgb(75, 27, 159);
/* oklch */ color: oklch(38.6% 0.191 290.9);

Tailwind

colors: {
  custom: {
    50: '#875fbd',
    500: '#4b1b9f',
    950: '#000000',
  },
}

SCSS

$custom: #4b1b9f;
$custom-light: #875fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1b9f",
  "rgb": {
    "r": 75,
    "g": 27,
    "b": 159
  },
  "hsl": {
    "h": 261.818,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.38643,
    "c": 0.19092,
    "h": 290.9
  },
  "luminance": 0.04783
}

Semantic roles & 50–950 ramp

primary

#4B1B9F

secondary

#9BC551

accent

#EE3AAC

background

#F8F5FB

surface

#F0EAF7

border

#CBC6D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #4B1B9F

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

Preview Lab → · Contrast checker → · Palette generator →