#372C9F#372C9F

#372C9F is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.8% C 0.177 H 278.6°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#372C9F
RGB	rgb(55, 44, 159)
HSL	hsl(246, 57%, 40%)
HSV	hsv(246, 72%, 62%)
CMYK	cmyk(65.4%, 72.3%, 0%, 37.6%)
CIE-LAB	lab(27.06, 40.00, -60.53)
CIE-LCH	lch(27.06, 72.55, 303.46°)
OKLab	oklab(38.84% 0.0263 -0.1747)
OKLCH	oklch(38.84% 0.177 278.6)
XYZ	xyz(8.7322, 5.1161, 33.3215)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372C9F #949F2C

analogous

#2C5B9F #372C9F #702C9F

triadic

#372C9F #9F372C #2C9F37

tetradic

#372C9F #9F2C5B #949F2C #2C9F70

square

#372C9F #9F2C5B #949F2C #2C9F70

split-complementary

#372C9F #9F702C #5B9F2C

monochromatic

#16113F #261F6F #372C9F #4C3ECA #786ED7

Accessibility & contrast

On white

10.38

#372C9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#372C9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372C9F

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372C9F	#FFFFFF	#000000	##FFFFFF
##372C9F	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A2

Deuteranopia (green-blind)

#003B9D

Tritanopia (blue-blind)

#004C62

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #372c9f;
/* rgb */ color: rgb(55, 44, 159);
/* oklch */ color: oklch(38.8% 0.177 278.6);

Tailwind

colors: {
  custom: {
    50: '#7c67bc',
    500: '#372c9f',
    950: '#000000',
  },
}

SCSS

$custom: #372c9f;
$custom-light: #7c67bc;
$custom-dark: #000000;

JSON

{
  "hex": "#372c9f",
  "rgb": {
    "r": 55,
    "g": 44,
    "b": 159
  },
  "hsl": {
    "h": 245.739,
    "s": 56.65,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38841,
    "c": 0.17667,
    "h": 278.6
  },
  "luminance": 0.05117
}

Semantic roles & 50–950 ramp

primary

#372C9F

secondary

#B6BE69

accent

#E048D1

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #372C9F

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

Preview Lab → · Contrast checker → · Palette generator →