#372B9E#372B9E

#372B9E is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.6% C 0.176 H 278.9°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#372B9E
RGB	rgb(55, 43, 158)
HSL	hsl(246, 57%, 39%)
HSV	hsv(246, 73%, 62%)
CMYK	cmyk(65.2%, 72.8%, 0%, 38%)
CIE-LAB	lab(26.76, 40.25, -60.43)
CIE-LCH	lch(26.76, 72.60, 303.67°)
OKLab	oklab(38.59% 0.0272 -0.1744)
OKLCH	oklch(38.59% 0.177 278.9)
XYZ	xyz(8.6090, 5.0079, 32.8541)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372B9E #929E2B

analogous

#2B599E #372B9E #712B9E

triadic

#372B9E #9E372B #2B9E37

tetradic

#372B9E #9E2B59 #929E2B #2B9E71

square

#372B9E #9E2B59 #929E2B #2B9E71

split-complementary

#372B9E #9E712B #599E2B

monochromatic

#16113E #261E6E #372B9E #4B3CCA #776CD7

Accessibility & contrast

On white

10.49

#372B9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#372B9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372B9E

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372B9E	#FFFFFF	#000000	##FFFFFF
##372B9E	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A1

Deuteranopia (green-blind)

#003B9C

Tritanopia (blue-blind)

#004B61

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #372b9e;
/* rgb */ color: rgb(55, 43, 158);
/* oklch */ color: oklch(38.6% 0.176 278.9);

Tailwind

colors: {
  custom: {
    50: '#7b66bc',
    500: '#372b9e',
    950: '#000000',
  },
}

SCSS

$custom: #372b9e;
$custom-light: #7b66bc;
$custom-dark: #000000;

JSON

{
  "hex": "#372b9e",
  "rgb": {
    "r": 55,
    "g": 43,
    "b": 158
  },
  "hsl": {
    "h": 246.261,
    "s": 57.214,
    "l": 39.412
  },
  "oklch": {
    "l": 0.38594,
    "c": 0.1765,
    "h": 278.9
  },
  "luminance": 0.05009
}

Semantic roles & 50–950 ramp

primary

#372B9E

secondary

#B5BE67

accent

#E047D0

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #372B9E

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

Preview Lab → · Contrast checker → · Palette generator →