#372CAF#372CAF

#372CAF is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.5% C 0.197 H 276.7°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#372CAF
RGB	rgb(55, 44, 175)
HSL	hsl(245, 60%, 43%)
HSV	hsv(245, 75%, 69%)
CMYK	cmyk(68.6%, 74.9%, 0%, 31.4%)
CIE-LAB	lab(28.66, 45.18, -67.55)
CIE-LCH	lch(28.66, 81.27, 303.78°)
OKLab	oklab(40.46% 0.023 -0.1952)
OKLCH	oklch(40.46% 0.197 276.7)
XYZ	xyz(10.2116, 5.7078, 41.1127)
Luminance	0.0571 (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

#372CAF #A4AF2C

analogous

#2C63AF #372CAF #782CAF

triadic

#372CAF #AF372C #2CAF37

tetradic

#372CAF #AF2C63 #A4AF2C #2CAF78

square

#372CAF #AF2C63 #A4AF2C #2CAF78

split-complementary

#372CAF #AF782C #63AF2C

monochromatic

#18134D #28207E #372CAF #5347D1 #8178DD

Accessibility & contrast

On white

9.80

#372CAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#372CAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372CAF

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372CAF	#FFFFFF	#000000	##FFFFFF
##372CAF	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B3

Deuteranopia (green-blind)

#003EAD

Tritanopia (blue-blind)

#00526B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #372caf;
/* rgb */ color: rgb(55, 44, 175);
/* oklch */ color: oklch(40.5% 0.197 276.7);

Tailwind

colors: {
  custom: {
    50: '#7f67c8',
    500: '#372caf',
    950: '#000000',
  },
}

SCSS

$custom: #372caf;
$custom-light: #7f67c8;
$custom-dark: #000000;

JSON

{
  "hex": "#372caf",
  "rgb": {
    "r": 55,
    "g": 44,
    "b": 175
  },
  "hsl": {
    "h": 245.038,
    "s": 59.817,
    "l": 42.941
  },
  "oklch": {
    "l": 0.40459,
    "c": 0.19655,
    "h": 276.7
  },
  "luminance": 0.05709
}

Semantic roles & 50–950 ramp

primary

#372CAF

secondary

#BEC572

accent

#E345D6

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #372CAF

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

Preview Lab → · Contrast checker → · Palette generator →