#4B39AA#4B39AA

#4B39AA is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.5% C 0.172 H 283.9°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#4B39AA
RGB	rgb(75, 57, 170)
HSL	hsl(250, 50%, 45%)
HSV	hsv(250, 66%, 67%)
CMYK	cmyk(55.9%, 66.5%, 0%, 33.3%)
CIE-LAB	lab(32.53, 38.95, -58.14)
CIE-LCH	lch(32.53, 69.99, 303.82°)
OKLab	oklab(43.5% 0.0414 -0.1671)
OKLCH	oklch(43.5% 0.172 283.9)
XYZ	xyz(11.6183, 7.3237, 38.8238)
Luminance	0.0732 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.87

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B39AA #98AA39

analogous

#395FAA #4B39AA #8439AA

triadic

#4B39AA #AA4B39 #39AA4B

tetradic

#4B39AA #AA395F #98AA39 #39AA84

square

#4B39AA #AA395F #98AA39 #39AA84

split-complementary

#4B39AA #AA8439 #5FAA39

monochromatic

#231A4E #372A7C #4B39AA #6A59C7 #9387D7

Accessibility & contrast

On white

8.52

#4B39AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#4B39AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B39AA

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B39AA	#FFFFFF	#000000	##FFFFFF
##4B39AA	1.00	8.52	2.46	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AE

Deuteranopia (green-blind)

#0049A8

Tritanopia (blue-blind)

#1E556C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #4b39aa;
/* rgb */ color: rgb(75, 57, 170);
/* oklch */ color: oklch(43.5% 0.172 283.9);

Tailwind

colors: {
  custom: {
    50: '#8771c4',
    500: '#4b39aa',
    950: '#000000',
  },
}

SCSS

$custom: #4b39aa;
$custom-light: #8771c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4b39aa",
  "rgb": {
    "r": 75,
    "g": 57,
    "b": 170
  },
  "hsl": {
    "h": 249.558,
    "s": 49.78,
    "l": 44.51
  },
  "oklch": {
    "l": 0.43498,
    "c": 0.17216,
    "h": 283.9
  },
  "luminance": 0.07324
}

Semantic roles & 50–950 ramp

primary

#4B39AA

secondary

#B6C17E

accent

#D94EC3

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4B39AA

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

Preview Lab → · Contrast checker → · Palette generator →