#4B3B91#4B3B91

#4B3B91 is a dark, vivid violet. Relative luminance 0.067; OKLCH L 41.8% C 0.136 H 287.6°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#4B3B91
RGB	rgb(75, 59, 145)
HSL	hsl(251, 42%, 40%)
HSV	hsv(251, 59%, 57%)
CMYK	cmyk(48.3%, 59.3%, 0%, 43.1%)
CIE-LAB	lab(31.04, 29.90, -45.42)
CIE-LCH	lch(31.04, 54.38, 303.36°)
OKLab	oklab(41.79% 0.0411 -0.1297)
OKLCH	oklch(41.79% 0.136 287.6)
XYZ	xyz(9.5750, 6.6677, 27.5651)
Luminance	0.0667 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B3B91 #81913B

analogous

#3B5691 #4B3B91 #763B91

triadic

#4B3B91 #914B3B #3B914B

tetradic

#4B3B91 #913B56 #81913B #3B9176

square

#4B3B91 #913B56 #81913B #3B9176

split-complementary

#4B3B91 #91763B #56913B

monochromatic

#1E183A #352966 #4B3B91 #6451B8 #8B7CCA

Accessibility & contrast

On white

9.00

#4B3B91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#4B3B91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B3B91

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B3B91	#FFFFFF	#000000	##FFFFFF
##4B3B91	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B94

Deuteranopia (green-blind)

#00478F

Tritanopia (blue-blind)

#344E60

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #4b3b91;
/* rgb */ color: rgb(75, 59, 145);
/* oklch */ color: oklch(41.8% 0.136 287.6);

Tailwind

colors: {
  custom: {
    50: '#8371b2',
    500: '#4b3b91',
    950: '#000000',
  },
}

SCSS

$custom: #4b3b91;
$custom-light: #8371b2;
$custom-dark: #000000;

JSON

{
  "hex": "#4b3b91",
  "rgb": {
    "r": 75,
    "g": 59,
    "b": 145
  },
  "hsl": {
    "h": 251.163,
    "s": 42.157,
    "l": 40
  },
  "oklch": {
    "l": 0.41793,
    "c": 0.13605,
    "h": 287.6
  },
  "luminance": 0.06668
}

Semantic roles & 50–950 ramp

primary

#4B3B91

secondary

#A8B474

accent

#D256BB

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0B0811

muted

#7C7B80

Preview Lab

Preview with #4B3B91

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

Preview Lab → · Contrast checker → · Palette generator →