#372FCE#372FCE

#372FCE is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 44.1% C 0.231 H 273.7°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#372FCE
RGB	rgb(55, 47, 206)
HSL	hsl(243, 63%, 50%)
HSV	hsv(243, 77%, 81%)
CMYK	cmyk(73.3%, 77.2%, 0%, 19.2%)
CIE-LAB	lab(32.48, 53.37, -79.53)
CIE-LCH	lch(32.48, 95.78, 303.87°)
OKLab	oklab(44.11% 0.0149 -0.2301)
OKLCH	oklch(44.11% 0.231 273.7)
XYZ	xyz(13.7289, 7.3001, 59.0661)
Luminance	0.0730 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.90

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372FCE #C6CE2F

analogous

#2F77CE #372FCE #872FCE

triadic

#372FCE #CE372F #2FCE37

tetradic

#372FCE #CE2F77 #C6CE2F #2FCE87

square

#372FCE #CE2F77 #C6CE2F #2FCE87

split-complementary

#372FCE #CE872F #77CE2F

monochromatic

#1C186A #2A249C #372FCE #6660DB #9691E6

Accessibility & contrast

On white

8.54

#372FCE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#372FCE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372FCE

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372FCE	#FFFFFF	#000000	##FFFFFF
##372FCE	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054D2

Deuteranopia (green-blind)

#0045CB

Tritanopia (blue-blind)

#005F7E

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #372fce;
/* rgb */ color: rgb(55, 47, 206);
/* oklch */ color: oklch(44.1% 0.231 273.7);

Tailwind

colors: {
  custom: {
    50: '#866bde',
    500: '#372fce',
    950: '#000000',
  },
}

SCSS

$custom: #372fce;
$custom-light: #866bde;
$custom-dark: #000000;

JSON

{
  "hex": "#372fce",
  "rgb": {
    "r": 55,
    "g": 47,
    "b": 206
  },
  "hsl": {
    "h": 243.019,
    "s": 62.846,
    "l": 49.608
  },
  "oklch": {
    "l": 0.44113,
    "c": 0.23055,
    "h": 273.7
  },
  "luminance": 0.07301
}

Semantic roles & 50–950 ramp

primary

#372FCE

secondary

#CDD188

accent

#E642DE

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #372FCE

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

Preview Lab → · Contrast checker → · Palette generator →