#372BC0#372BC0

#372BC0 is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 42.1% C 0.218 H 275.2°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#372BC0
RGB	rgb(55, 43, 192)
HSL	hsl(245, 63%, 46%)
HSV	hsv(245, 78%, 75%)
CMYK	cmyk(71.4%, 77.6%, 0%, 24.7%)
CIE-LAB	lab(30.27, 51.07, -75.00)
CIE-LCH	lch(30.27, 90.73, 304.25°)
OKLab	oklab(42.12% 0.0197 -0.2169)
OKLCH	oklch(42.12% 0.218 275.2)
XYZ	xyz(11.9507, 6.3446, 50.4538)
Luminance	0.0635 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.09

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372BC0 #B4C02B

analogous

#2B69C0 #372BC0 #812BC0

triadic

#372BC0 #C0372B #2BC037

tetradic

#372BC0 #C02B69 #B4C02B #2BC081

square

#372BC0 #C02B69 #B4C02B #2BC081

split-complementary

#372BC0 #C0812B #69C02B

monochromatic

#1A155C #29208E #372BC0 #5B50D8 #8A82E3

Accessibility & contrast

On white

9.25

#372BC0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#372BC0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372BC0

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372BC0	#FFFFFF	#000000	##FFFFFF
##372BC0	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EC4

Deuteranopia (green-blind)

#0040BD

Tritanopia (blue-blind)

#005875

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #372bc0;
/* rgb */ color: rgb(55, 43, 192);
/* oklch */ color: oklch(42.1% 0.218 275.2);

Tailwind

colors: {
  custom: {
    50: '#8368d4',
    500: '#372bc0',
    950: '#000000',
  },
}

SCSS

$custom: #372bc0;
$custom-light: #8368d4;
$custom-dark: #000000;

JSON

{
  "hex": "#372bc0",
  "rgb": {
    "r": 55,
    "g": 43,
    "b": 192
  },
  "hsl": {
    "h": 244.832,
    "s": 63.404,
    "l": 46.078
  },
  "oklch": {
    "l": 0.42117,
    "c": 0.21776,
    "h": 275.2
  },
  "luminance": 0.06346
}

Semantic roles & 50–950 ramp

primary

#372BC0

secondary

#C6CC7B

accent

#E641D9

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #372BC0

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

Preview Lab → · Contrast checker → · Palette generator →