#4B1BB4#4B1BB4

#4B1BB4 is a dark, highly saturated violet. Relative luminance 0.056; OKLCH L 40.8% C 0.213 H 286.4°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#4B1BB4
RGB	rgb(75, 27, 180)
HSL	hsl(259, 74%, 41%)
HSV	hsv(259, 85%, 71%)
CMYK	cmyk(58.3%, 85%, 0%, 29.4%)
CIE-LAB	lab(28.31, 56.51, -71.06)
CIE-LCH	lch(28.31, 90.79, 308.49°)
OKLab	oklab(40.81% 0.0604 -0.2047)
OKLCH	oklch(40.81% 0.213 286.4)
XYZ	xyz(11.5293, 5.5743, 43.6396)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1BB4 #84B41B

analogous

#1B37B4 #4B1BB4 #981BB4

triadic

#4B1BB4 #B44B1B #1BB44B

tetradic

#4B1BB4 #B41B37 #84B41B #1BB498

square

#4B1BB4 #B41B37 #84B41B #1BB498

split-complementary

#4B1BB4 #B4981B #37B41B

monochromatic

#1F0B4A #35137F #4B1BB4 #652DDF #8C62E7

Accessibility & contrast

On white

9.93

#4B1BB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#4B1BB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1BB4

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1BB4	#FFFFFF	#000000	##FFFFFF
##4B1BB4	1.00	9.93	2.12	9.93
#FFFFFF	9.93	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B8

Deuteranopia (green-blind)

#003EB1

Tritanopia (blue-blind)

#124C6B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #4b1bb4;
/* rgb */ color: rgb(75, 27, 180);
/* oklch */ color: oklch(40.8% 0.213 286.4);

Tailwind

colors: {
  custom: {
    50: '#8b61cc',
    500: '#4b1bb4',
    950: '#000000',
  },
}

SCSS

$custom: #4b1bb4;
$custom-light: #8b61cc;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1bb4",
  "rgb": {
    "r": 75,
    "g": 27,
    "b": 180
  },
  "hsl": {
    "h": 258.824,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.40814,
    "c": 0.21339,
    "h": 286.4
  },
  "luminance": 0.05575
}

Semantic roles & 50–950 ramp

primary

#4B1BB4

secondary

#AACC5F

accent

#F137B6

background

#F9F6FC

surface

#F1EBF9

border

#CBC6D2

text

#0D0514

muted

#7E7A82

Preview Lab

Preview with #4B1BB4

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

Preview Lab → · Contrast checker → · Palette generator →