#372FBC#372FBC

#372FBC is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 42.2% C 0.209 H 275.1°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#372FBC
RGB	rgb(55, 47, 188)
HSL	hsl(243, 60%, 46%)
HSV	hsv(243, 75%, 74%)
CMYK	cmyk(70.7%, 75%, 0%, 26.3%)
CIE-LAB	lab(30.58, 47.71, -72.12)
CIE-LCH	lch(30.58, 86.47, 303.49°)
OKLab	oklab(42.21% 0.0187 -0.2085)
OKLCH	oklch(42.21% 0.209 275.1)
XYZ	xyz(11.6662, 6.4750, 48.2022)
Luminance	0.0648 (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

#372FBC #B4BC2F

analogous

#2F6DBC #372FBC #7D2FBC

triadic

#372FBC #BC372F #2FBC37

tetradic

#372FBC #BC2F6D #B4BC2F #2FBC7D

square

#372FBC #BC2F6D #B4BC2F #2FBC7D

split-complementary

#372FBC #BC7D2F #6DBC2F

monochromatic

#1A175A #29238B #372FBC #5B54D4 #8A85E0

Accessibility & contrast

On white

9.15

#372FBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#372FBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372FBC

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372FBC	#FFFFFF	#000000	##FFFFFF
##372FBC	1.00	9.15	2.30	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EC0

Deuteranopia (green-blind)

#0041B9

Tritanopia (blue-blind)

#005873

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #372fbc;
/* rgb */ color: rgb(55, 47, 188);
/* oklch */ color: oklch(42.2% 0.209 275.1);

Tailwind

colors: {
  custom: {
    50: '#826ad1',
    500: '#372fbc',
    950: '#000000',
  },
}

SCSS

$custom: #372fbc;
$custom-light: #826ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#372fbc",
  "rgb": {
    "r": 55,
    "g": 47,
    "b": 188
  },
  "hsl": {
    "h": 243.404,
    "s": 60,
    "l": 46.078
  },
  "oklch": {
    "l": 0.42214,
    "c": 0.20937,
    "h": 275.1
  },
  "luminance": 0.06476
}

Semantic roles & 50–950 ramp

primary

#372FBC

secondary

#C6CA7D

accent

#E345DA

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #372FBC

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

Preview Lab → · Contrast checker → · Palette generator →