#372FB4#372FB4

#372FB4 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.4% C 0.200 H 275.8°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#372FB4
RGB	rgb(55, 47, 180)
HSL	hsl(244, 59%, 45%)
HSV	hsv(244, 74%, 71%)
CMYK	cmyk(69.4%, 73.9%, 0%, 29.4%)
CIE-LAB	lab(29.76, 45.13, -68.72)
CIE-LCH	lch(29.76, 82.22, 303.29°)
OKLab	oklab(41.39% 0.0203 -0.1986)
OKLCH	oklch(41.39% 0.2 275.8)
XYZ	xyz(10.8276, 6.1395, 43.7856)
Luminance	0.0614 (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

#372FB4 #ACB42F

analogous

#2F6AB4 #372FB4 #7A2FB4

triadic

#372FB4 #B4372F #2FB437

tetradic

#372FB4 #B42F6A #ACB42F #2FB47A

square

#372FB4 #B42F6A #ACB42F #2FB47A

split-complementary

#372FB4 #B47A2F #6AB42F

monochromatic

#191653 #282283 #372FB4 #574FD1 #8580DE

Accessibility & contrast

On white

9.42

#372FB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#372FB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372FB4

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372FB4	#FFFFFF	#000000	##FFFFFF
##372FB4	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB8

Deuteranopia (green-blind)

#0040B2

Tritanopia (blue-blind)

#00556F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #372fb4;
/* rgb */ color: rgb(55, 47, 180);
/* oklch */ color: oklch(41.4% 0.200 275.8);

Tailwind

colors: {
  custom: {
    50: '#8069cc',
    500: '#372fb4',
    950: '#000000',
  },
}

SCSS

$custom: #372fb4;
$custom-light: #8069cc;
$custom-dark: #000000;

JSON

{
  "hex": "#372fb4",
  "rgb": {
    "r": 55,
    "g": 47,
    "b": 180
  },
  "hsl": {
    "h": 243.609,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.4139,
    "c": 0.19968,
    "h": 275.8
  },
  "luminance": 0.06141
}

Semantic roles & 50–950 ramp

primary

#372FB4

secondary

#C2C778

accent

#E246D8

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #372FB4

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

Preview Lab → · Contrast checker → · Palette generator →