#372DD0#372DD0

#372DD0 is a dark, highly saturated blue. Relative luminance 0.072; OKLCH L 44.1% C 0.235 H 273.7°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#372DD0
RGB	rgb(55, 45, 208)
HSL	hsl(244, 64%, 50%)
HSV	hsv(244, 78%, 82%)
CMYK	cmyk(73.6%, 78.4%, 0%, 18.4%)
CIE-LAB	lab(32.35, 54.99, -80.90)
CIE-LCH	lch(32.35, 97.82, 304.20°)
OKLab	oklab(44.09% 0.0152 -0.234)
OKLCH	oklch(44.09% 0.235 273.7)
XYZ	xyz(13.8953, 7.2416, 60.3277)
Luminance	0.0724 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 4.05

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372DD0 #C6D02D

analogous

#2D75D0 #372DD0 #892DD0

triadic

#372DD0 #D0372D #2DD037

tetradic

#372DD0 #D02D75 #C6D02D #2DD089

square

#372DD0 #D02D75 #C6D02D #2DD089

split-complementary

#372DD0 #D0892D #75D02D

monochromatic

#1C176B #2A229E #372DD0 #665EDC #9690E7

Accessibility & contrast

On white

8.58

#372DD0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#372DD0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372DD0

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372DD0	#FFFFFF	#000000	##FFFFFF
##372DD0	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054D5

Deuteranopia (green-blind)

#0044CD

Tritanopia (blue-blind)

#005F7E

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #372dd0;
/* rgb */ color: rgb(55, 45, 208);
/* oklch */ color: oklch(44.1% 0.235 273.7);

Tailwind

colors: {
  custom: {
    50: '#866ae0',
    500: '#372dd0',
    950: '#000000',
  },
}

SCSS

$custom: #372dd0;
$custom-light: #866ae0;
$custom-dark: #000000;

JSON

{
  "hex": "#372dd0",
  "rgb": {
    "r": 55,
    "g": 45,
    "b": 208
  },
  "hsl": {
    "h": 243.681,
    "s": 64.427,
    "l": 49.608
  },
  "oklch": {
    "l": 0.44086,
    "c": 0.23454,
    "h": 273.7
  },
  "luminance": 0.07243
}

Semantic roles & 50–950 ramp

primary

#372DD0

secondary

#CDD287

accent

#E740DD

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #372DD0

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

Preview Lab → · Contrast checker → · Palette generator →