#4B33CC#4B33CC

#4B33CC is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.8% C 0.220 H 280.3°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#4B33CC
RGB	rgb(75, 51, 204)
HSL	hsl(249, 60%, 50%)
HSV	hsv(249, 75%, 80%)
CMYK	cmyk(63.2%, 75%, 0%, 20%)
CIE-LAB	lab(34.44, 52.67, -75.08)
CIE-LCH	lch(34.44, 91.71, 305.05°)
OKLab	oklab(45.8% 0.0396 -0.2167)
OKLCH	oklch(45.8% 0.22 280.3)
XYZ	xyz(14.9811, 8.2220, 57.9126)
Luminance	0.0822 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.81

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B33CC #B4CC33

analogous

#3367CC #4B33CC #9833CC

triadic

#4B33CC #CC4B33 #33CC4B

tetradic

#4B33CC #CC3367 #B4CC33 #33CC98

square

#4B33CC #CC3367 #B4CC33 #33CC98

split-complementary

#4B33CC #CC9833 #67CC33

monochromatic

#271B6A #39279B #4B33CC #7664D8 #A195E4

Accessibility & contrast

On white

7.94

#4B33CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#4B33CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B33CC

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B33CC	#FFFFFF	#000000	##FFFFFF
##4B33CC	1.00	7.94	2.64	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056D0

Deuteranopia (green-blind)

#004BC9

Tritanopia (blue-blind)

#005F7D

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4b33cc;
/* rgb */ color: rgb(75, 51, 204);
/* oklch */ color: oklch(45.8% 0.220 280.3);

Tailwind

colors: {
  custom: {
    50: '#8d6edd',
    500: '#4b33cc',
    950: '#000000',
  },
}

SCSS

$custom: #4b33cc;
$custom-light: #8d6edd;
$custom-dark: #000000;

JSON

{
  "hex": "#4b33cc",
  "rgb": {
    "r": 75,
    "g": 51,
    "b": 204
  },
  "hsl": {
    "h": 249.412,
    "s": 60,
    "l": 50
  },
  "oklch": {
    "l": 0.45802,
    "c": 0.22025,
    "h": 280.3
  },
  "luminance": 0.08223
}

Semantic roles & 50–950 ramp

primary

#4B33CC

secondary

#C5D08B

accent

#E345CA

background

#F9F6FD

surface

#F2ECFB

border

#CCC7D4

text

#0E0715

muted

#7E7A83

Preview Lab

Preview with #4B33CC

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

Preview Lab → · Contrast checker → · Palette generator →