#4B33AB#4B33AB

#4B33AB is a dark, vivid violet. Relative luminance 0.068; OKLCH L 42.7% C 0.181 H 285.0°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#4B33AB
RGB	rgb(75, 51, 171)
HSL	hsl(252, 54%, 44%)
HSV	hsv(252, 70%, 67%)
CMYK	cmyk(56.1%, 70.2%, 0%, 32.9%)
CIE-LAB	lab(31.35, 42.71, -60.67)
CIE-LCH	lch(31.35, 74.20, 305.15°)
OKLab	oklab(42.68% 0.0466 -0.1745)
OKLCH	oklch(42.68% 0.181 285)
XYZ	xyz(11.4339, 6.8031, 39.2308)
Luminance	0.0680 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 4.14

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B33AB #93AB33

analogous

#3357AB #4B33AB #8733AB

triadic

#4B33AB #AB4B33 #33AB4B

tetradic

#4B33AB #AB3357 #93AB33 #33AB87

square

#4B33AB #AB3357 #93AB33 #33AB87

split-complementary

#4B33AB #AB8733 #57AB33

monochromatic

#22174D #36257C #4B33AB #6950CB #917FD9

Accessibility & contrast

On white

8.90

#4B33AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#4B33AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B33AB

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B33AB	#FFFFFF	#000000	##FFFFFF
##4B33AB	1.00	8.90	2.36	8.90
#FFFFFF	8.90	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAF

Deuteranopia (green-blind)

#0046A9

Tritanopia (blue-blind)

#1E526B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #4b33ab;
/* rgb */ color: rgb(75, 51, 171);
/* oklch */ color: oklch(42.7% 0.181 285.0);

Tailwind

colors: {
  custom: {
    50: '#876dc5',
    500: '#4b33ab',
    950: '#000000',
  },
}

SCSS

$custom: #4b33ab;
$custom-light: #876dc5;
$custom-dark: #000000;

JSON

{
  "hex": "#4b33ab",
  "rgb": {
    "r": 75,
    "g": 51,
    "b": 171
  },
  "hsl": {
    "h": 252,
    "s": 54.054,
    "l": 43.529
  },
  "oklch": {
    "l": 0.42677,
    "c": 0.18064,
    "h": 285
  },
  "luminance": 0.06804
}

Semantic roles & 50–950 ramp

primary

#4B33AB

secondary

#B3C278

accent

#DD4AC0

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4B33AB

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

Preview Lab → · Contrast checker → · Palette generator →