#372FBE#372FBE

#372FBE is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.4% C 0.212 H 275.0°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#372FBE
RGB	rgb(55, 47, 190)
HSL	hsl(243, 60%, 46%)
HSV	hsv(243, 75%, 75%)
CMYK	cmyk(71.1%, 75.3%, 0%, 25.5%)
CIE-LAB	lab(30.79, 48.35, -72.96)
CIE-LCH	lch(30.79, 87.52, 303.53°)
OKLab	oklab(42.42% 0.0183 -0.211)
OKLCH	oklch(42.42% 0.212 275)
XYZ	xyz(11.8833, 6.5618, 49.3455)
Luminance	0.0656 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372FBE #B6BE2F

analogous

#2F6FBE #372FBE #7F2FBE

triadic

#372FBE #BE372F #2FBE37

tetradic

#372FBE #BE2F6F #B6BE2F #2FBE7F

square

#372FBE #BE2F6F #B6BE2F #2FBE7F

split-complementary

#372FBE #BE7F2F #6FBE2F

monochromatic

#1B175C #29238D #372FBE #5C55D5 #8B86E1

Accessibility & contrast

On white

9.08

#372FBE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#372FBE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372FBE

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372FBE	#FFFFFF	#000000	##FFFFFF
##372FBE	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC2

Deuteranopia (green-blind)

#0042BB

Tritanopia (blue-blind)

#005975

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #372fbe;
/* rgb */ color: rgb(55, 47, 190);
/* oklch */ color: oklch(42.4% 0.212 275.0);

Tailwind

colors: {
  custom: {
    50: '#826ad3',
    500: '#372fbe',
    950: '#000000',
  },
}

SCSS

$custom: #372fbe;
$custom-light: #826ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#372fbe",
  "rgb": {
    "r": 55,
    "g": 47,
    "b": 190
  },
  "hsl": {
    "h": 243.357,
    "s": 60.338,
    "l": 46.471
  },
  "oklch": {
    "l": 0.42422,
    "c": 0.21176,
    "h": 275
  },
  "luminance": 0.06563
}

Semantic roles & 50–950 ramp

primary

#372FBE

secondary

#C6CB7E

accent

#E344DB

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #372FBE

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

Preview Lab → · Contrast checker → · Palette generator →