#4B33B3#4B33B3

#4B33B3 is a dark, vivid violet. Relative luminance 0.071; OKLCH L 43.4% C 0.190 H 283.7°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#4B33B3
RGB	rgb(75, 51, 179)
HSL	hsl(251, 56%, 45%)
HSV	hsv(251, 72%, 70%)
CMYK	cmyk(58.1%, 71.5%, 0%, 29.8%)
CIE-LAB	lab(32.07, 45.14, -64.27)
CIE-LCH	lch(32.07, 78.54, 305.09°)
OKLab	oklab(43.41% 0.0451 -0.1851)
OKLCH	oklch(43.41% 0.19 283.7)
XYZ	xyz(12.2197, 7.1174, 43.3690)
Luminance	0.0712 (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

#4B33B3 #9BB333

analogous

#335BB3 #4B33B3 #8B33B3

triadic

#4B33B3 #B34B33 #33B34B

tetradic

#4B33B3 #B3335B #9BB333 #33B38B

square

#4B33B3 #B3335B #9BB333 #33B38B

split-complementary

#4B33B3 #B38B33 #5BB333

monochromatic

#231854 #372583 #4B33B3 #6C55CE #9584DC

Accessibility & contrast

On white

8.66

#4B33B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#4B33B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B33B3

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B33B3	#FFFFFF	#000000	##FFFFFF
##4B33B3	1.00	8.66	2.42	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB7

Deuteranopia (green-blind)

#0047B1

Tritanopia (blue-blind)

#10556F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4b33b3;
/* rgb */ color: rgb(75, 51, 179);
/* oklch */ color: oklch(43.4% 0.190 283.7);

Tailwind

colors: {
  custom: {
    50: '#896dcb',
    500: '#4b33b3',
    950: '#000000',
  },
}

SCSS

$custom: #4b33b3;
$custom-light: #896dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#4b33b3",
  "rgb": {
    "r": 75,
    "g": 51,
    "b": 179
  },
  "hsl": {
    "h": 251.25,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.4341,
    "c": 0.19048,
    "h": 283.7
  },
  "luminance": 0.07118
}

Semantic roles & 50–950 ramp

primary

#4B33B3

secondary

#B8C67C

accent

#DF49C3

background

#F9F6FC

surface

#F1ECF9

border

#CBC7D2

text

#0D0713

muted

#7E7A82

Preview Lab

Preview with #4B33B3

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

Preview Lab → · Contrast checker → · Palette generator →