#372C8F#372C8F

#372C8F is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.3% C 0.156 H 280.7°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#372C8F
RGB	rgb(55, 44, 143)
HSL	hsl(247, 53%, 37%)
HSV	hsv(247, 69%, 56%)
CMYK	cmyk(61.5%, 69.2%, 0%, 43.9%)
CIE-LAB	lab(25.55, 34.71, -53.19)
CIE-LCH	lch(25.55, 63.52, 303.13°)
OKLab	oklab(37.3% 0.029 -0.1532)
OKLCH	oklch(37.3% 0.156 280.7)
XYZ	xyz(7.4326, 4.5962, 26.4768)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372C8F #848F2C

analogous

#2C538F #372C8F #692C8F

triadic

#372C8F #8F372C #2C8F37

tetradic

#372C8F #8F2C53 #848F2C #2C8F69

square

#372C8F #8F2C53 #848F2C #2C8F69

split-complementary

#372C8F #8F692C #538F2C

monochromatic

#130F31 #251E60 #372C8F #493ABE #7166D0

Accessibility & contrast

On white

10.94

#372C8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#372C8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372C8F

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372C8F	#FFFFFF	#000000	##FFFFFF
##372C8F	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004092

Deuteranopia (green-blind)

#00398D

Tritanopia (blue-blind)

#00465A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #372c8f;
/* rgb */ color: rgb(55, 44, 143);
/* oklch */ color: oklch(37.3% 0.156 280.7);

Tailwind

colors: {
  custom: {
    50: '#7866b1',
    500: '#372c8f',
    950: '#000000',
  },
}

SCSS

$custom: #372c8f;
$custom-light: #7866b1;
$custom-dark: #000000;

JSON

{
  "hex": "#372c8f",
  "rgb": {
    "r": 55,
    "g": 44,
    "b": 143
  },
  "hsl": {
    "h": 246.667,
    "s": 52.941,
    "l": 36.667
  },
  "oklch": {
    "l": 0.37297,
    "c": 0.15595,
    "h": 280.7
  },
  "luminance": 0.04597
}

Semantic roles & 50–950 ramp

primary

#372C8F

secondary

#ADB661

accent

#DC4BCC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #372C8F

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

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