#372AC0#372AC0

#372AC0 is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 42.0% C 0.219 H 275.3°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#372AC0
RGB	rgb(55, 42, 192)
HSL	hsl(245, 64%, 46%)
HSV	hsv(245, 78%, 75%)
CMYK	cmyk(71.4%, 78.1%, 0%, 24.7%)
CIE-LAB	lab(30.09, 51.57, -75.29)
CIE-LCH	lch(30.09, 91.26, 304.41°)
OKLab	oklab(42% 0.0201 -0.2177)
OKLCH	oklch(42% 0.219 275.3)
XYZ	xyz(11.9148, 6.2728, 50.4418)
Luminance	0.0627 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372AC0 #B3C02A

analogous

#2A68C0 #372AC0 #822AC0

triadic

#372AC0 #C0372A #2AC037

tetradic

#372AC0 #C02A68 #B3C02A #2AC082

square

#372AC0 #C02A68 #B3C02A #2AC082

split-complementary

#372AC0 #C0822A #68C02A

monochromatic

#1A145C #291F8E #372AC0 #5B4FD8 #8A81E3

Accessibility & contrast

On white

9.31

#372AC0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#372AC0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372AC0

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372AC0	#FFFFFF	#000000	##FFFFFF
##372AC0	1.00	9.31	2.25	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DC4

Deuteranopia (green-blind)

#0040BD

Tritanopia (blue-blind)

#005775

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #372ac0;
/* rgb */ color: rgb(55, 42, 192);
/* oklch */ color: oklch(42.0% 0.219 275.3);

Tailwind

colors: {
  custom: {
    50: '#8367d4',
    500: '#372ac0',
    950: '#000000',
  },
}

SCSS

$custom: #372ac0;
$custom-light: #8367d4;
$custom-dark: #000000;

JSON

{
  "hex": "#372ac0",
  "rgb": {
    "r": 55,
    "g": 42,
    "b": 192
  },
  "hsl": {
    "h": 245.2,
    "s": 64.103,
    "l": 45.882
  },
  "oklch": {
    "l": 0.41995,
    "c": 0.21863,
    "h": 275.3
  },
  "luminance": 0.06274
}

Semantic roles & 50–950 ramp

primary

#372AC0

secondary

#C5CC7A

accent

#E741D9

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #372AC0

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

Preview Lab → · Contrast checker → · Palette generator →