#4B33BB#4B33BB

#4B33BB is a dark, highly saturated violet. Relative luminance 0.075; OKLCH L 44.2% C 0.200 H 282.5°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#4B33BB
RGB	rgb(75, 51, 187)
HSL	hsl(251, 57%, 47%)
HSV	hsv(251, 73%, 73%)
CMYK	cmyk(59.9%, 72.7%, 0%, 26.7%)
CIE-LAB	lab(32.81, 47.57, -67.80)
CIE-LCH	lch(32.81, 82.82, 305.05°)
OKLab	oklab(44.16% 0.0434 -0.1954)
OKLCH	oklch(44.16% 0.2 282.5)
XYZ	xyz(13.0523, 7.4505, 47.7544)
Luminance	0.0745 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B33BB #A3BB33

analogous

#335FBB #4B33BB #8F33BB

triadic

#4B33BB #BB4B33 #33BB4B

tetradic

#4B33BB #BB335F #A3BB33 #33BB8F

square

#4B33BB #BB335F #A3BB33 #33BB8F

split-complementary

#4B33BB #BB8F33 #5FBB33

monochromatic

#24195B #38268B #4B33BB #6F59D2 #9989DF

Accessibility & contrast

On white

8.43

#4B33BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#4B33BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B33BB

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B33BB	#FFFFFF	#000000	##FFFFFF
##4B33BB	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BF

Deuteranopia (green-blind)

#0048B8

Tritanopia (blue-blind)

#005874

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #4b33bb;
/* rgb */ color: rgb(75, 51, 187);
/* oklch */ color: oklch(44.2% 0.200 282.5);

Tailwind

colors: {
  custom: {
    50: '#8a6dd1',
    500: '#4b33bb',
    950: '#000000',
  },
}

SCSS

$custom: #4b33bb;
$custom-light: #8a6dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4b33bb",
  "rgb": {
    "r": 75,
    "g": 51,
    "b": 187
  },
  "hsl": {
    "h": 250.588,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.44159,
    "c": 0.20017,
    "h": 282.5
  },
  "luminance": 0.07451
}

Semantic roles & 50–950 ramp

primary

#4B33BB

secondary

#BCC981

accent

#E047C5

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #4B33BB

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

Preview Lab → · Contrast checker → · Palette generator →