#372CAA#372CAA

#372CAA is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.9% C 0.190 H 277.3°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#372CAA
RGB	rgb(55, 44, 170)
HSL	hsl(245, 59%, 42%)
HSV	hsv(245, 74%, 67%)
CMYK	cmyk(67.6%, 74.1%, 0%, 33.3%)
CIE-LAB	lab(28.15, 43.58, -65.39)
CIE-LCH	lch(28.15, 78.58, 303.68°)
OKLab	oklab(39.95% 0.0241 -0.1889)
OKLCH	oklch(39.95% 0.19 277.3)
XYZ	xyz(9.7296, 5.5150, 38.5742)
Luminance	0.0552 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372CAA #9FAA2C

analogous

#2C60AA #372CAA #762CAA

triadic

#372CAA #AA372C #2CAA37

tetradic

#372CAA #AA2C60 #9FAA2C #2CAA76

square

#372CAA #AA2C60 #9FAA2C #2CAA76

split-complementary

#372CAA #AA762C #60AA2C

monochromatic

#181349 #271F79 #372CAA #5144CF #7E75DB

Accessibility & contrast

On white

9.98

#372CAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#372CAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372CAA

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372CAA	#FFFFFF	#000000	##FFFFFF
##372CAA	1.00	9.98	2.10	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AE

Deuteranopia (green-blind)

#003DA8

Tritanopia (blue-blind)

#005068

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #372caa;
/* rgb */ color: rgb(55, 44, 170);
/* oklch */ color: oklch(39.9% 0.190 277.3);

Tailwind

colors: {
  custom: {
    50: '#7e67c4',
    500: '#372caa',
    950: '#000000',
  },
}

SCSS

$custom: #372caa;
$custom-light: #7e67c4;
$custom-dark: #000000;

JSON

{
  "hex": "#372caa",
  "rgb": {
    "r": 55,
    "g": 44,
    "b": 170
  },
  "hsl": {
    "h": 245.238,
    "s": 58.879,
    "l": 41.961
  },
  "oklch": {
    "l": 0.39947,
    "c": 0.19043,
    "h": 277.3
  },
  "luminance": 0.05516
}

Semantic roles & 50–950 ramp

primary

#372CAA

secondary

#BCC36F

accent

#E246D4

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #372CAA

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

Preview Lab → · Contrast checker → · Palette generator →