#372FBF#372FBF

#372FBF is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.5% C 0.213 H 274.9°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#372FBF
RGB	rgb(55, 47, 191)
HSL	hsl(243, 61%, 47%)
HSV	hsv(243, 75%, 75%)
CMYK	cmyk(71.2%, 75.4%, 0%, 25.1%)
CIE-LAB	lab(30.89, 48.66, -73.37)
CIE-LCH	lch(30.89, 88.04, 303.55°)
OKLab	oklab(42.53% 0.0181 -0.2122)
OKLCH	oklch(42.53% 0.213 274.9)
XYZ	xyz(11.9929, 6.6057, 49.9231)
Luminance	0.0661 (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

#372FBF #B7BF2F

analogous

#2F6FBF #372FBF #7F2FBF

triadic

#372FBF #BF372F #2FBF37

tetradic

#372FBF #BF2F6F #B7BF2F #2FBF7F

square

#372FBF #BF2F6F #B7BF2F #2FBF7F

split-complementary

#372FBF #BF7F2F #6FBF2F

monochromatic

#1B175D #29238E #372FBF #5D56D5 #8C87E1

Accessibility & contrast

On white

9.05

#372FBF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#372FBF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372FBF

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372FBF	#FFFFFF	#000000	##FFFFFF
##372FBF	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC3

Deuteranopia (green-blind)

#0042BC

Tritanopia (blue-blind)

#005975

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #372fbf;
/* rgb */ color: rgb(55, 47, 191);
/* oklch */ color: oklch(42.5% 0.213 274.9);

Tailwind

colors: {
  custom: {
    50: '#826ad4',
    500: '#372fbf',
    950: '#000000',
  },
}

SCSS

$custom: #372fbf;
$custom-light: #826ad4;
$custom-dark: #000000;

JSON

{
  "hex": "#372fbf",
  "rgb": {
    "r": 55,
    "g": 47,
    "b": 191
  },
  "hsl": {
    "h": 243.333,
    "s": 60.504,
    "l": 46.667
  },
  "oklch": {
    "l": 0.42526,
    "c": 0.21295,
    "h": 274.9
  },
  "luminance": 0.06607
}

Semantic roles & 50–950 ramp

primary

#372FBF

secondary

#C7CB7F

accent

#E444DB

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #372FBF

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

Preview Lab → · Contrast checker → · Palette generator →