#4839B2#4839B2

#4839B2 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 44.0% C 0.183 H 281.4°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#4839B2
RGB	rgb(72, 57, 178)
HSL	hsl(247, 51%, 46%)
HSV	hsv(247, 68%, 70%)
CMYK	cmyk(59.6%, 68%, 0%, 30.2%)
CIE-LAB	lab(32.96, 40.98, -62.24)
CIE-LCH	lch(32.96, 74.52, 303.37°)
OKLab	oklab(43.95% 0.0362 -0.1792)
OKLCH	oklch(43.95% 0.183 281.4)
XYZ	xyz(12.1690, 7.5175, 42.9206)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.53

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4839B2 #A3B239

analogous

#3966B2 #4839B2 #8439B2

triadic

#4839B2 #B24839 #39B248

tetradic

#4839B2 #B23966 #A3B239 #39B284

square

#4839B2 #B23966 #A3B239 #39B284

split-complementary

#4839B2 #B28439 #66B239

monochromatic

#221B55 #352A84 #4839B2 #6B5DCB #958BDA

Accessibility & contrast

On white

8.39

#4839B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#4839B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4839B2

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4839B2	#FFFFFF	#000000	##FFFFFF
##4839B2	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B6

Deuteranopia (green-blind)

#0049B0

Tritanopia (blue-blind)

#005871

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #4839b2;
/* rgb */ color: rgb(72, 57, 178);
/* oklch */ color: oklch(44.0% 0.183 281.4);

Tailwind

colors: {
  custom: {
    50: '#8771ca',
    500: '#4839b2',
    950: '#000000',
  },
}

SCSS

$custom: #4839b2;
$custom-light: #8771ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4839b2",
  "rgb": {
    "r": 72,
    "g": 57,
    "b": 178
  },
  "hsl": {
    "h": 247.438,
    "s": 51.489,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43951,
    "c": 0.18283,
    "h": 281.4
  },
  "luminance": 0.07518
}

Semantic roles & 50–950 ramp

primary

#4839B2

secondary

#BCC482

accent

#DB4DC9

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4839B2

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

Preview Lab → · Contrast checker → · Palette generator →