#4B1FA5#4B1FA5

#4B1FA5 is a dark, vivid violet. Relative luminance 0.052; OKLCH L 39.6% C 0.194 H 289.1°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#4B1FA5
RGB	rgb(75, 31, 165)
HSL	hsl(260, 68%, 38%)
HSV	hsv(260, 81%, 65%)
CMYK	cmyk(54.5%, 81.2%, 0%, 35.3%)
CIE-LAB	lab(27.27, 50.93, -63.76)
CIE-LCH	lch(27.27, 81.60, 308.62°)
OKLab	oklab(39.63% 0.0635 -0.1834)
OKLCH	oklch(39.63% 0.194 289.1)
XYZ	xyz(10.1812, 5.1919, 36.0557)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B1FA5 #79A51F

analogous

#1F36A5 #4B1FA5 #8E1FA5

triadic

#4B1FA5 #A54B1F #1FA54B

tetradic

#4B1FA5 #A51F36 #79A51F #1FA58E

square

#4B1FA5 #A51F36 #79A51F #1FA58E

split-complementary

#4B1FA5 #A58E1F #36A51F

monochromatic

#1C0C3E #341571 #4B1FA5 #632AD7 #895EE1

Accessibility & contrast

On white

10.30

#4B1FA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#4B1FA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B1FA5

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B1FA5	#FFFFFF	#000000	##FFFFFF
##4B1FA5	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A9

Deuteranopia (green-blind)

#003DA3

Tritanopia (blue-blind)

#274763

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #4b1fa5;
/* rgb */ color: rgb(75, 31, 165);
/* oklch */ color: oklch(39.6% 0.194 289.1);

Tailwind

colors: {
  custom: {
    50: '#8861c1',
    500: '#4b1fa5',
    950: '#000000',
  },
}

SCSS

$custom: #4b1fa5;
$custom-light: #8861c1;
$custom-dark: #000000;

JSON

{
  "hex": "#4b1fa5",
  "rgb": {
    "r": 75,
    "g": 31,
    "b": 165
  },
  "hsl": {
    "h": 259.701,
    "s": 68.367,
    "l": 38.431
  },
  "oklch": {
    "l": 0.39633,
    "c": 0.19409,
    "h": 289.1
  },
  "luminance": 0.05192
}

Semantic roles & 50–950 ramp

primary

#4B1FA5

secondary

#A2C55B

accent

#EB3DB2

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0D0512

muted

#7D7A81

Preview Lab

Preview with #4B1FA5

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

Preview Lab → · Contrast checker → · Palette generator →