#372FB8#372FB8

#372FB8 is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 41.8% C 0.205 H 275.5°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#372FB8
RGB	rgb(55, 47, 184)
HSL	hsl(244, 59%, 45%)
HSV	hsv(244, 74%, 72%)
CMYK	cmyk(70.1%, 74.5%, 0%, 27.8%)
CIE-LAB	lab(30.17, 46.42, -70.43)
CIE-LCH	lch(30.17, 84.35, 303.39°)
OKLab	oklab(41.8% 0.0195 -0.2036)
OKLCH	oklch(41.8% 0.205 275.5)
XYZ	xyz(11.2409, 6.3049, 45.9627)
Luminance	0.0631 (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

#372FB8 #B0B82F

analogous

#2F6BB8 #372FB8 #7C2FB8

triadic

#372FB8 #B8372F #2FB837

tetradic

#372FB8 #B82F6B #B0B82F #2FB87C

square

#372FB8 #B82F6B #B0B82F #2FB87C

split-complementary

#372FB8 #B87C2F #6BB82F

monochromatic

#1A1657 #282387 #372FB8 #5952D3 #8882DF

Accessibility & contrast

On white

9.29

#372FB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#372FB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372FB8

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372FB8	#FFFFFF	#000000	##FFFFFF
##372FB8	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBC

Deuteranopia (green-blind)

#0041B6

Tritanopia (blue-blind)

#005771

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #372fb8;
/* rgb */ color: rgb(55, 47, 184);
/* oklch */ color: oklch(41.8% 0.205 275.5);

Tailwind

colors: {
  custom: {
    50: '#816acf',
    500: '#372fb8',
    950: '#000000',
  },
}

SCSS

$custom: #372fb8;
$custom-light: #816acf;
$custom-dark: #000000;

JSON

{
  "hex": "#372fb8",
  "rgb": {
    "r": 55,
    "g": 47,
    "b": 184
  },
  "hsl": {
    "h": 243.504,
    "s": 59.307,
    "l": 45.294
  },
  "oklch": {
    "l": 0.418,
    "c": 0.20454,
    "h": 275.5
  },
  "luminance": 0.06306
}

Semantic roles & 50–950 ramp

primary

#372FB8

secondary

#C4C87B

accent

#E245D9

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #372FB8

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

Preview Lab → · Contrast checker → · Palette generator →