#4B39AC#4B39AC

#4B39AC is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.7% C 0.175 H 283.6°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#4B39AC
RGB	rgb(75, 57, 172)
HSL	hsl(249, 50%, 45%)
HSV	hsv(249, 67%, 67%)
CMYK	cmyk(56.4%, 66.9%, 0%, 32.5%)
CIE-LAB	lab(32.70, 39.58, -59.07)
CIE-LCH	lch(32.70, 71.10, 303.82°)
OKLab	oklab(43.67% 0.0411 -0.1698)
OKLCH	oklch(43.67% 0.175 283.6)
XYZ	xyz(11.8089, 7.4000, 39.8278)
Luminance	0.0740 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.72

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B39AC #9AAC39

analogous

#3961AC #4B39AC #8439AC

triadic

#4B39AC #AC4B39 #39AC4B

tetradic

#4B39AC #AC3961 #9AAC39 #39AC84

square

#4B39AC #AC3961 #9AAC39 #39AC84

split-complementary

#4B39AC #AC8439 #61AC39

monochromatic

#231B50 #372A7E #4B39AC #6B5AC8 #9488D8

Accessibility & contrast

On white

8.47

#4B39AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#4B39AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B39AC

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B39AC	#FFFFFF	#000000	##FFFFFF
##4B39AC	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B0

Deuteranopia (green-blind)

#0049AA

Tritanopia (blue-blind)

#1C566D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #4b39ac;
/* rgb */ color: rgb(75, 57, 172);
/* oklch */ color: oklch(43.7% 0.175 283.6);

Tailwind

colors: {
  custom: {
    50: '#8771c6',
    500: '#4b39ac',
    950: '#000000',
  },
}

SCSS

$custom: #4b39ac;
$custom-light: #8771c6;
$custom-dark: #000000;

JSON

{
  "hex": "#4b39ac",
  "rgb": {
    "r": 75,
    "g": 57,
    "b": 172
  },
  "hsl": {
    "h": 249.391,
    "s": 50.218,
    "l": 44.902
  },
  "oklch": {
    "l": 0.43671,
    "c": 0.17473,
    "h": 283.6
  },
  "luminance": 0.07401
}

Semantic roles & 50–950 ramp

primary

#4B39AC

secondary

#B7C27F

accent

#DA4EC4

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4B39AC

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

Preview Lab → · Contrast checker → · Palette generator →