#4839AC#4839AC

#4839AC is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.4% C 0.175 H 282.2°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#4839AC
RGB	rgb(72, 57, 172)
HSL	hsl(248, 50%, 45%)
HSV	hsv(248, 67%, 67%)
CMYK	cmyk(58.1%, 66.9%, 0%, 32.5%)
CIE-LAB	lab(32.44, 39.08, -59.50)
CIE-LCH	lch(32.44, 71.19, 303.29°)
OKLab	oklab(43.42% 0.037 -0.1712)
OKLCH	oklch(43.42% 0.175 282.2)
XYZ	xyz(11.5797, 7.2818, 39.8171)
Luminance	0.0728 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.79

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4839AC #9DAC39

analogous

#3964AC #4839AC #8139AC

triadic

#4839AC #AC4839 #39AC48

tetradic

#4839AC #AC3964 #9DAC39 #39AC81

square

#4839AC #AC3964 #9DAC39 #39AC81

split-complementary

#4839AC #AC8139 #64AC39

monochromatic

#221B50 #352A7E #4839AC #685AC8 #9288D8

Accessibility & contrast

On white

8.55

#4839AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#4839AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4839AC

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4839AC	#FFFFFF	#000000	##FFFFFF
##4839AC	1.00	8.55	2.46	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B0

Deuteranopia (green-blind)

#0048AA

Tritanopia (blue-blind)

#0E566D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4839ac;
/* rgb */ color: rgb(72, 57, 172);
/* oklch */ color: oklch(43.4% 0.175 282.2);

Tailwind

colors: {
  custom: {
    50: '#8570c6',
    500: '#4839ac',
    950: '#000000',
  },
}

SCSS

$custom: #4839ac;
$custom-light: #8570c6;
$custom-dark: #000000;

JSON

{
  "hex": "#4839ac",
  "rgb": {
    "r": 72,
    "g": 57,
    "b": 172
  },
  "hsl": {
    "h": 247.826,
    "s": 50.218,
    "l": 44.902
  },
  "oklch": {
    "l": 0.43418,
    "c": 0.17515,
    "h": 282.2
  },
  "luminance": 0.07283
}

Semantic roles & 50–950 ramp

primary

#4839AC

secondary

#B9C27F

accent

#DA4EC8

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4839AC

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

Preview Lab → · Contrast checker → · Palette generator →