#4B1FA8#4B1FA8

#4B1FA8 is a dark, vivid violet. Relative luminance 0.053; OKLCH L 39.9% C 0.197 H 288.5°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#4B1FA8
RGB	rgb(75, 31, 168)
HSL	hsl(259, 69%, 39%)
HSV	hsv(259, 82%, 66%)
CMYK	cmyk(55.4%, 81.5%, 0%, 34.1%)
CIE-LAB	lab(27.58, 51.74, -65.07)
CIE-LCH	lch(27.58, 83.13, 308.49°)
OKLab	oklab(39.94% 0.0625 -0.1872)
OKLCH	oklch(39.94% 0.197 288.5)
XYZ	xyz(10.4574, 5.3025, 37.5106)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1FA8 #7CA81F

analogous

#1F38A8 #4B1FA8 #901FA8

triadic

#4B1FA8 #A84B1F #1FA84B

tetradic

#4B1FA8 #A81F38 #7CA81F #1FA890

square

#4B1FA8 #A81F38 #7CA81F #1FA890

split-complementary

#4B1FA8 #A8901F #38A81F

monochromatic

#1D0C41 #341574 #4B1FA8 #632CD8 #8960E2

Accessibility & contrast

On white

10.19

#4B1FA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#4B1FA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1FA8

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1FA8	#FFFFFF	#000000	##FFFFFF
##4B1FA8	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AC

Deuteranopia (green-blind)

#003EA6

Tritanopia (blue-blind)

#244865

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #4b1fa8;
/* rgb */ color: rgb(75, 31, 168);
/* oklch */ color: oklch(39.9% 0.197 288.5);

Tailwind

colors: {
  custom: {
    50: '#8861c3',
    500: '#4b1fa8',
    950: '#000000',
  },
}

SCSS

$custom: #4b1fa8;
$custom-light: #8861c3;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1fa8",
  "rgb": {
    "r": 75,
    "g": 31,
    "b": 168
  },
  "hsl": {
    "h": 259.27,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.39936,
    "c": 0.19739,
    "h": 288.5
  },
  "luminance": 0.05303
}

Semantic roles & 50–950 ramp

primary

#4B1FA8

secondary

#A4C65D

accent

#EC3CB3

background

#F9F6FC

surface

#F1EBF8

border

#CBC6D1

text

#0D0513

muted

#7E7A82

Preview Lab

Preview with #4B1FA8

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

Preview Lab → · Contrast checker → · Palette generator →