#372FC5#372FC5

#372FC5 is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 43.2% C 0.220 H 274.4°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#372FC5
RGB	rgb(55, 47, 197)
HSL	hsl(243, 61%, 48%)
HSV	hsv(243, 76%, 77%)
CMYK	cmyk(72.1%, 76.1%, 0%, 22.7%)
CIE-LAB	lab(31.52, 50.56, -75.86)
CIE-LCH	lch(31.52, 91.17, 303.68°)
OKLab	oklab(43.16% 0.0168 -0.2194)
OKLCH	oklch(43.16% 0.22 274.4)
XYZ	xyz(12.6668, 6.8752, 53.4720)
Luminance	0.0688 (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

#372FC5 #BDC52F

analogous

#2F72C5 #372FC5 #822FC5

triadic

#372FC5 #C5372F #2FC537

tetradic

#372FC5 #C52F72 #BDC52F #2FC582

square

#372FC5 #C52F72 #BDC52F #2FC582

split-complementary

#372FC5 #C5822F #72C52F

monochromatic

#1B1762 #292394 #372FC5 #605AD8 #908BE3

Accessibility & contrast

On white

8.84

#372FC5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#372FC5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372FC5

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372FC5	#FFFFFF	#000000	##FFFFFF
##372FC5	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051C9

Deuteranopia (green-blind)

#0043C2

Tritanopia (blue-blind)

#005C79

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #372fc5;
/* rgb */ color: rgb(55, 47, 197);
/* oklch */ color: oklch(43.2% 0.220 274.4);

Tailwind

colors: {
  custom: {
    50: '#846ad8',
    500: '#372fc5',
    950: '#000000',
  },
}

SCSS

$custom: #372fc5;
$custom-light: #846ad8;
$custom-dark: #000000;

JSON

{
  "hex": "#372fc5",
  "rgb": {
    "r": 55,
    "g": 47,
    "b": 197
  },
  "hsl": {
    "h": 243.2,
    "s": 61.475,
    "l": 47.843
  },
  "oklch": {
    "l": 0.43156,
    "c": 0.22006,
    "h": 274.4
  },
  "luminance": 0.06876
}

Semantic roles & 50–950 ramp

primary

#372FC5

secondary

#C9CD82

accent

#E543DC

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0D0715

muted

#7D7A83

Preview Lab

Preview with #372FC5

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

Preview Lab → · Contrast checker → · Palette generator →