#372FC4#372FC4

#372FC4 is a dark, highly saturated blue. Relative luminance 0.068; OKLCH L 43.1% C 0.219 H 274.5°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#372FC4
RGB	rgb(55, 47, 196)
HSL	hsl(243, 61%, 48%)
HSV	hsv(243, 76%, 77%)
CMYK	cmyk(71.9%, 76%, 0%, 23.1%)
CIE-LAB	lab(31.42, 50.25, -75.45)
CIE-LCH	lch(31.42, 90.65, 303.66°)
OKLab	oklab(43.05% 0.017 -0.2182)
OKLCH	oklch(43.05% 0.219 274.5)
XYZ	xyz(12.5526, 6.8295, 52.8705)
Luminance	0.0683 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372FC4 #BCC42F

analogous

#2F72C4 #372FC4 #812FC4

triadic

#372FC4 #C4372F #2FC437

tetradic

#372FC4 #C42F72 #BCC42F #2FC481

square

#372FC4 #C42F72 #BCC42F #2FC481

split-complementary

#372FC4 #C4812F #72C42F

monochromatic

#1B1761 #292393 #372FC4 #6059D7 #8F8AE3

Accessibility & contrast

On white

8.87

#372FC4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#372FC4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372FC4

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372FC4	#FFFFFF	#000000	##FFFFFF
##372FC4	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)

#0051C8

Deuteranopia (green-blind)

#0043C1

Tritanopia (blue-blind)

#005B78

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #372fc4;
/* rgb */ color: rgb(55, 47, 196);
/* oklch */ color: oklch(43.1% 0.219 274.5);

Tailwind

colors: {
  custom: {
    50: '#836ad7',
    500: '#372fc4',
    950: '#000000',
  },
}

SCSS

$custom: #372fc4;
$custom-light: #836ad7;
$custom-dark: #000000;

JSON

{
  "hex": "#372fc4",
  "rgb": {
    "r": 55,
    "g": 47,
    "b": 196
  },
  "hsl": {
    "h": 243.221,
    "s": 61.317,
    "l": 47.647
  },
  "oklch": {
    "l": 0.43051,
    "c": 0.21888,
    "h": 274.5
  },
  "luminance": 0.06831
}

Semantic roles & 50–950 ramp

primary

#372FC4

secondary

#C9CD82

accent

#E443DC

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0D0715

muted

#7D7A83

Preview Lab

Preview with #372FC4

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

Preview Lab → · Contrast checker → · Palette generator →