#372FBA#372FBA

#372FBA is a dark, highly saturated blue. Relative luminance 0.064; OKLCH L 42.0% C 0.207 H 275.3°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#372FBA
RGB	rgb(55, 47, 186)
HSL	hsl(243, 60%, 46%)
HSV	hsv(243, 75%, 73%)
CMYK	cmyk(70.4%, 74.7%, 0%, 27.1%)
CIE-LAB	lab(30.37, 47.07, -71.27)
CIE-LCH	lch(30.37, 85.41, 303.44°)
OKLab	oklab(42.01% 0.0191 -0.2061)
OKLCH	oklch(42.01% 0.207 275.3)
XYZ	xyz(11.4521, 6.3893, 47.0746)
Luminance	0.0639 (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

#372FBA #B2BA2F

analogous

#2F6CBA #372FBA #7C2FBA

triadic

#372FBA #BA372F #2FBA37

tetradic

#372FBA #BA2F6C #B2BA2F #2FBA7C

square

#372FBA #BA2F6C #B2BA2F #2FBA7C

split-complementary

#372FBA #BA7C2F #6CBA2F

monochromatic

#1A1658 #292389 #372FBA #5A53D3 #8984E0

Accessibility & contrast

On white

9.22

#372FBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#372FBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372FBA

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372FBA	#FFFFFF	#000000	##FFFFFF
##372FBA	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBE

Deuteranopia (green-blind)

#0041B8

Tritanopia (blue-blind)

#005772

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #372fba;
/* rgb */ color: rgb(55, 47, 186);
/* oklch */ color: oklch(42.0% 0.207 275.3);

Tailwind

colors: {
  custom: {
    50: '#816ad0',
    500: '#372fba',
    950: '#000000',
  },
}

SCSS

$custom: #372fba;
$custom-light: #816ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#372fba",
  "rgb": {
    "r": 55,
    "g": 47,
    "b": 186
  },
  "hsl": {
    "h": 243.453,
    "s": 59.657,
    "l": 45.686
  },
  "oklch": {
    "l": 0.42007,
    "c": 0.20695,
    "h": 275.3
  },
  "luminance": 0.0639
}

Semantic roles & 50–950 ramp

primary

#372FBA

secondary

#C5C97C

accent

#E345DA

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #372FBA

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

Preview Lab → · Contrast checker → · Palette generator →