#373CC6#373CC6

#373CC6 is a mid, highly saturated blue. Relative luminance 0.081; OKLCH L 45.1% C 0.208 H 272.8°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX#373CC6
RGBrgb(55, 60, 198)
HSLhsl(238, 57%, 50%)
HSVhsv(238, 72%, 78%)
CMYKcmyk(72.2%, 69.7%, 0%, 22.4%)
CIE-LABlab(34.23, 43.59, -71.97)
CIE-LCHlch(34.23, 84.15, 301.20°)
OKLaboklab(45.12% 0.0101 -0.2082)
OKLCHoklch(45.12% 0.208 272.8)
XYZxyz(13.3810, 8.1198, 54.2772)
Luminance0.0812 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#373CC6 #C6C137
analogous
#3784C6 #373CC6 #7A37C6
triadic
#373CC6 #C6373C #3CC637
tetradic
#373CC6 #C63784 #C6C137 #37C67A
square
#373CC6 #C63784 #C6C137 #37C67A
split-complementary
#373CC6 #C67A37 #84C637
monochromatic
#1C1F66 #2A2D96 #373CC6 #666AD4 #9698E2

Accessibility & contrast

On white

8.00
#373CC6 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.62
#373CC6 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373CC6
8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##373CC6#FFFFFF#000000##FFFFFF
##373CC61.008.002.628.00
#FFFFFF8.001.0021.001.00
#0000002.6221.001.0021.00
##FFFFFF8.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0057CA
Deuteranopia (green-blind)
#004AC3
Tritanopia (blue-blind)
#00627C
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #373cc6;
/* rgb */ color: rgb(55, 60, 198);
/* oklch */ color: oklch(45.1% 0.208 272.8);
Tailwind
colors: {
  custom: {
    50: '#8373d9',
    500: '#373cc6',
    950: '#000000',
  },
}
SCSS
$custom: #373cc6;
$custom-light: #8373d9;
$custom-dark: #000000;
JSON
{
  "hex": "#373cc6",
  "rgb": {
    "r": 55,
    "g": 60,
    "b": 198
  },
  "hsl": {
    "h": 237.902,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.45116,
    "c": 0.20841,
    "h": 272.8
  },
  "luminance": 0.08121
}

Semantic roles & 50–950 ramp

primary
#373CC6
secondary
#CDCB8C
accent
#DA48E0
background
#F8F7FD
surface
#F0EDFB
border
#CBC8D4
text
#0C0815
muted
#7D7B83

Preview Lab

Preview with #373CC6

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

Preview Lab → · Contrast checker → · Palette generator →

#373CC6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva