#4B3AAA#4B3AAA

#4B3AAA is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.7% C 0.171 H 283.7°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#4B3AAA
RGB	rgb(75, 58, 170)
HSL	hsl(249, 49%, 45%)
HSV	hsv(249, 66%, 67%)
CMYK	cmyk(55.9%, 65.9%, 0%, 33.3%)
CIE-LAB	lab(32.75, 38.36, -57.79)
CIE-LCH	lch(32.75, 69.36, 303.58°)
OKLab	oklab(43.66% 0.0404 -0.1661)
OKLCH	oklch(43.66% 0.171 283.7)
XYZ	xyz(11.6682, 7.4236, 38.8405)
Luminance	0.0742 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.66

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B3AAA #99AA3A

analogous

#3A61AA #4B3AAA #833AAA

triadic

#4B3AAA #AA4B3A #3AAA4B

tetradic

#4B3AAA #AA3A61 #99AA3A #3AAA83

square

#4B3AAA #AA3A61 #99AA3A #3AAA83

split-complementary

#4B3AAA #AA833A #61AA3A

monochromatic

#231B4F #372A7C #4B3AAA #6B5AC7 #9488D6

Accessibility & contrast

On white

8.45

#4B3AAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#4B3AAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B3AAA

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B3AAA	#FFFFFF	#000000	##FFFFFF
##4B3AAA	1.00	8.45	2.48	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AD

Deuteranopia (green-blind)

#0049A8

Tritanopia (blue-blind)

#1E566D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #4b3aaa;
/* rgb */ color: rgb(75, 58, 170);
/* oklch */ color: oklch(43.7% 0.171 283.7);

Tailwind

colors: {
  custom: {
    50: '#8771c4',
    500: '#4b3aaa',
    950: '#000000',
  },
}

SCSS

$custom: #4b3aaa;
$custom-light: #8771c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4b3aaa",
  "rgb": {
    "r": 75,
    "g": 58,
    "b": 170
  },
  "hsl": {
    "h": 249.107,
    "s": 49.123,
    "l": 44.706
  },
  "oklch": {
    "l": 0.43657,
    "c": 0.17091,
    "h": 283.7
  },
  "luminance": 0.07424
}

Semantic roles & 50–950 ramp

primary

#4B3AAA

secondary

#B7C17F

accent

#D94FC4

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4B3AAA

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

Preview Lab → · Contrast checker → · Palette generator →