#372FB5#372FB5

#372FB5 is a dark, highly saturated blue. Relative luminance 0.062; OKLCH L 41.5% C 0.201 H 275.7°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#372FB5
RGB	rgb(55, 47, 181)
HSL	hsl(244, 59%, 45%)
HSV	hsv(244, 74%, 71%)
CMYK	cmyk(69.6%, 74%, 0%, 29%)
CIE-LAB	lab(29.86, 45.46, -69.15)
CIE-LCH	lch(29.86, 82.75, 303.32°)
OKLab	oklab(41.49% 0.0201 -0.1999)
OKLCH	oklch(41.49% 0.201 275.7)
XYZ	xyz(10.9298, 6.1804, 44.3240)
Luminance	0.0618 (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

#372FB5 #ADB52F

analogous

#2F6AB5 #372FB5 #7A2FB5

triadic

#372FB5 #B5372F #2FB537

tetradic

#372FB5 #B52F6A #ADB52F #2FB57A

square

#372FB5 #B52F6A #ADB52F #2FB57A

split-complementary

#372FB5 #B57A2F #6AB52F

monochromatic

#191654 #282284 #372FB5 #5750D1 #8680DE

Accessibility & contrast

On white

9.39

#372FB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#372FB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372FB5

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372FB5	#FFFFFF	#000000	##FFFFFF
##372FB5	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB9

Deuteranopia (green-blind)

#0040B3

Tritanopia (blue-blind)

#00556F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #372fb5;
/* rgb */ color: rgb(55, 47, 181);
/* oklch */ color: oklch(41.5% 0.201 275.7);

Tailwind

colors: {
  custom: {
    50: '#806acc',
    500: '#372fb5',
    950: '#000000',
  },
}

SCSS

$custom: #372fb5;
$custom-light: #806acc;
$custom-dark: #000000;

JSON

{
  "hex": "#372fb5",
  "rgb": {
    "r": 55,
    "g": 47,
    "b": 181
  },
  "hsl": {
    "h": 243.582,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.41492,
    "c": 0.2009,
    "h": 275.7
  },
  "luminance": 0.06181
}

Semantic roles & 50–950 ramp

primary

#372FB5

secondary

#C2C779

accent

#E246D9

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #372FB5

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

Preview Lab → · Contrast checker → · Palette generator →