#372CC9#372CC9

#372CC9 is a dark, highly saturated blue. Relative luminance 0.068; OKLCH L 43.2% C 0.227 H 274.3°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#372CC9
RGB	rgb(55, 44, 201)
HSL	hsl(244, 64%, 48%)
HSV	hsv(244, 78%, 79%)
CMYK	cmyk(72.6%, 78.1%, 0%, 21.2%)
CIE-LAB	lab(31.42, 53.34, -78.38)
CIE-LCH	lch(31.42, 94.81, 304.24°)
OKLab	oklab(43.21% 0.0172 -0.2267)
OKLCH	oklch(43.21% 0.227 274.3)
XYZ	xyz(13.0154, 6.8293, 55.8793)
Luminance	0.0683 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 4.43

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372CC9 #BEC92C

analogous

#2C6FC9 #372CC9 #852CC9

triadic

#372CC9 #C9372C #2CC937

tetradic

#372CC9 #C92C6F #BEC92C #2CC985

square

#372CC9 #C92C6F #BEC92C #2CC985

split-complementary

#372CC9 #C9852C #6FC92C

monochromatic

#1C1665 #292197 #372CC9 #6158DA #908AE5

Accessibility & contrast

On white

8.87

#372CC9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#372CC9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372CC9

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372CC9	#FFFFFF	#000000	##FFFFFF
##372CC9	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051CD

Deuteranopia (green-blind)

#0043C6

Tritanopia (blue-blind)

#005C7A

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #372cc9;
/* rgb */ color: rgb(55, 44, 201);
/* oklch */ color: oklch(43.2% 0.227 274.3);

Tailwind

colors: {
  custom: {
    50: '#8569db',
    500: '#372cc9',
    950: '#000000',
  },
}

SCSS

$custom: #372cc9;
$custom-light: #8569db;
$custom-dark: #000000;

JSON

{
  "hex": "#372cc9",
  "rgb": {
    "r": 55,
    "g": 44,
    "b": 201
  },
  "hsl": {
    "h": 244.204,
    "s": 64.082,
    "l": 48.039
  },
  "oklch": {
    "l": 0.43208,
    "c": 0.22734,
    "h": 274.3
  },
  "luminance": 0.06831
}

Semantic roles & 50–950 ramp

primary

#372CC9

secondary

#CACF82

accent

#E741DB

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0615

muted

#7E7A83

Preview Lab

Preview with #372CC9

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

Preview Lab → · Contrast checker → · Palette generator →