#4837AC#4837AC

#4837AC is a dark, vivid blue. Relative luminance 0.071; OKLCH L 43.1% C 0.178 H 282.6°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#4837AC
RGB	rgb(72, 55, 172)
HSL	hsl(249, 52%, 45%)
HSV	hsv(249, 68%, 67%)
CMYK	cmyk(58.1%, 68%, 0%, 32.5%)
CIE-LAB	lab(32.01, 40.25, -60.21)
CIE-LCH	lch(32.01, 72.43, 303.76°)
OKLab	oklab(43.11% 0.0388 -0.1733)
OKLCH	oklch(43.11% 0.178 282.6)
XYZ	xyz(11.4828, 7.0879, 39.7847)
Luminance	0.0709 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.23

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4837AC #9BAC37

analogous

#3761AC #4837AC #8337AC

triadic

#4837AC #AC4837 #37AC48

tetradic

#4837AC #AC3761 #9BAC37 #37AC83

square

#4837AC #AC3761 #9BAC37 #37AC83

split-complementary

#4837AC #AC8337 #61AC37

monochromatic

#21194F #35287E #4837AC #6857C9 #9185D8

Accessibility & contrast

On white

8.69

#4837AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#4837AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4837AC

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4837AC	#FFFFFF	#000000	##FFFFFF
##4837AC	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB0

Deuteranopia (green-blind)

#0047AA

Tritanopia (blue-blind)

#0F556D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4837ac;
/* rgb */ color: rgb(72, 55, 172);
/* oklch */ color: oklch(43.1% 0.178 282.6);

Tailwind

colors: {
  custom: {
    50: '#866fc6',
    500: '#4837ac',
    950: '#000000',
  },
}

SCSS

$custom: #4837ac;
$custom-light: #866fc6;
$custom-dark: #000000;

JSON

{
  "hex": "#4837ac",
  "rgb": {
    "r": 72,
    "g": 55,
    "b": 172
  },
  "hsl": {
    "h": 248.718,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.43105,
    "c": 0.17756,
    "h": 282.6
  },
  "luminance": 0.07089
}

Semantic roles & 50–950 ramp

primary

#4837AC

secondary

#B8C27D

accent

#DB4DC6

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4837AC

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

Preview Lab → · Contrast checker → · Palette generator →