#372C8B#372C8B

#372C8B is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.9% C 0.151 H 281.3°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#372C8B
RGB	rgb(55, 44, 139)
HSL	hsl(247, 52%, 36%)
HSV	hsv(247, 68%, 55%)
CMYK	cmyk(60.4%, 68.3%, 0%, 45.5%)
CIE-LAB	lab(25.19, 33.38, -51.30)
CIE-LCH	lch(25.19, 61.20, 303.05°)
OKLab	oklab(36.92% 0.0296 -0.1477)
OKLCH	oklch(36.92% 0.151 281.3)
XYZ	xyz(7.1350, 4.4772, 24.9093)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372C8B #808B2C

analogous

#2C508B #372C8B #662C8B

triadic

#372C8B #8B372C #2C8B37

tetradic

#372C8B #8B2C50 #808B2C #2C8B66

square

#372C8B #8B2C50 #808B2C #2C8B66

split-complementary

#372C8B #8B662C #508B2C

monochromatic

#120F2E #251D5D #372C8B #493BB9 #7064CE

Accessibility & contrast

On white

11.08

#372C8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#372C8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372C8B

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372C8B	#FFFFFF	#000000	##FFFFFF
##372C8B	1.00	11.08	1.90	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8E

Deuteranopia (green-blind)

#003889

Tritanopia (blue-blind)

#004457

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #372c8b;
/* rgb */ color: rgb(55, 44, 139);
/* oklch */ color: oklch(36.9% 0.151 281.3);

Tailwind

colors: {
  custom: {
    50: '#7866ae',
    500: '#372c8b',
    950: '#000000',
  },
}

SCSS

$custom: #372c8b;
$custom-light: #7866ae;
$custom-dark: #000000;

JSON

{
  "hex": "#372c8b",
  "rgb": {
    "r": 55,
    "g": 44,
    "b": 139
  },
  "hsl": {
    "h": 246.947,
    "s": 51.913,
    "l": 35.882
  },
  "oklch": {
    "l": 0.36924,
    "c": 0.15062,
    "h": 281.3
  },
  "luminance": 0.04478
}

Semantic roles & 50–950 ramp

primary

#372C8B

secondary

#AAB45F

accent

#DB4CCB

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A0610

muted

#7C7A7F

Preview Lab

Preview with #372C8B

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

Preview Lab → · Contrast checker → · Palette generator →