#372CC5#372CC5

#372CC5 is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.8% C 0.223 H 274.7°. Best body text is #FFFFFF at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#372CC5
RGB	rgb(55, 44, 197)
HSL	hsl(244, 63%, 47%)
HSV	hsv(244, 78%, 77%)
CMYK	cmyk(72.1%, 77.7%, 0%, 22.7%)
CIE-LAB	lab(30.98, 52.11, -76.75)
CIE-LCH	lch(30.98, 92.77, 304.17°)
OKLab	oklab(42.78% 0.0181 -0.222)
OKLCH	oklch(42.78% 0.223 274.7)
XYZ	xyz(12.5509, 6.6436, 53.4334)
Luminance	0.0664 (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

#372CC5 #BAC52C

analogous

#2C6DC5 #372CC5 #842CC5

triadic

#372CC5 #C5372C #2CC537

tetradic

#372CC5 #C52C6D #BAC52C #2CC584

square

#372CC5 #C52C6D #BAC52C #2CC584

split-complementary

#372CC5 #C5842C #6DC52C

monochromatic

#1B1661 #292193 #372CC5 #5F55D9 #8E87E4

Accessibility & contrast

On white

9.02

#372CC5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#372CC5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372CC5

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372CC5	#FFFFFF	#000000	##FFFFFF
##372CC5	1.00	9.02	2.33	9.02
#FFFFFF	9.02	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C9

Deuteranopia (green-blind)

#0042C2

Tritanopia (blue-blind)

#005A78

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #372cc5;
/* rgb */ color: rgb(55, 44, 197);
/* oklch */ color: oklch(42.8% 0.223 274.7);

Tailwind

colors: {
  custom: {
    50: '#8469d8',
    500: '#372cc5',
    950: '#000000',
  },
}

SCSS

$custom: #372cc5;
$custom-light: #8469d8;
$custom-dark: #000000;

JSON

{
  "hex": "#372cc5",
  "rgb": {
    "r": 55,
    "g": 44,
    "b": 197
  },
  "hsl": {
    "h": 244.314,
    "s": 63.485,
    "l": 47.255
  },
  "oklch": {
    "l": 0.42777,
    "c": 0.22272,
    "h": 274.7
  },
  "luminance": 0.06645
}

Semantic roles & 50–950 ramp

primary

#372CC5

secondary

#C8CE7F

accent

#E741DB

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0D0615

muted

#7D7A83

Preview Lab

Preview with #372CC5

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

Preview Lab → · Contrast checker → · Palette generator →