#372EC3#372EC3

#372EC3 is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.8% C 0.219 H 274.6°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).

Color values

HEX#372EC3
RGBrgb(55, 46, 195)
HSLhsl(244, 62%, 47%)
HSVhsv(244, 76%, 76%)
CMYKcmyk(71.8%, 76.4%, 0%, 23.5%)
CIE-LABlab(31.13, 50.46, -75.34)
CIE-LCHlch(31.13, 90.68, 303.81°)
OKLaboklab(42.82% 0.0177 -0.2179)
OKLCHoklch(42.82% 0.219 274.6)
XYZxyz(12.3996, 6.7051, 52.2599)
Luminance0.0671 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#372EC3 #BAC32E
analogous
#2E70C3 #372EC3 #812EC3
triadic
#372EC3 #C3372E #2EC337
tetradic
#372EC3 #C32E70 #BAC32E #2EC381
square
#372EC3 #C32E70 #BAC32E #2EC381
split-complementary
#372EC3 #C3812E #70C32E
monochromatic
#1B1760 #292291 #372EC3 #5F57D7 #8E88E3

Accessibility & contrast

On white

8.97
#372EC3 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.34
#372EC3 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372EC3
8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##372EC3#FFFFFF#000000##FFFFFF
##372EC31.008.972.348.97
#FFFFFF8.971.0021.001.00
#0000002.3421.001.0021.00
##FFFFFF8.971.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0050C7
Deuteranopia (green-blind)
#0042C0
Tritanopia (blue-blind)
#005A77
Achromatopsia (no color)
#494949

Design tokens & code

CSS
--color: #372ec3;
/* rgb */ color: rgb(55, 46, 195);
/* oklch */ color: oklch(42.8% 0.219 274.6);
Tailwind
colors: {
  custom: {
    50: '#836ad7',
    500: '#372ec3',
    950: '#000000',
  },
}
SCSS
$custom: #372ec3;
$custom-light: #836ad7;
$custom-dark: #000000;
JSON
{
  "hex": "#372ec3",
  "rgb": {
    "r": 55,
    "g": 46,
    "b": 195
  },
  "hsl": {
    "h": 243.624,
    "s": 61.826,
    "l": 47.255
  },
  "oklch": {
    "l": 0.42816,
    "c": 0.21861,
    "h": 274.6
  },
  "luminance": 0.06706
}

Semantic roles & 50–950 ramp

primary
#372EC3
secondary
#C8CD80
accent
#E543DB
background
#F8F6FD
surface
#F0EBFA
border
#CBC6D3
text
#0D0715
muted
#7D7A83

Preview Lab

Preview with #372EC3

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

Preview Lab → · Contrast checker → · Palette generator →

#372EC3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva