#373FC6#373FC6

#373FC6 is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.6% C 0.205 H 272.3°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX#373FC6
RGBrgb(55, 63, 198)
HSLhsl(237, 57%, 50%)
HSVhsv(237, 72%, 78%)
CMYKcmyk(72.2%, 68.2%, 0%, 22.4%)
CIE-LABlab(34.89, 41.80, -70.89)
CIE-LCHlch(34.89, 82.30, 300.53°)
OKLaboklab(45.59% 0.0084 -0.205)
OKLCHoklch(45.59% 0.205 272.3)
XYZxyz(13.5427, 8.4431, 54.3311)
Luminance0.0844 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#373FC6 #C6BE37
analogous
#3787C6 #373FC6 #7637C6
triadic
#373FC6 #C6373F #3FC637
tetradic
#373FC6 #C63787 #C6BE37 #37C676
square
#373FC6 #C63787 #C6BE37 #37C676
split-complementary
#373FC6 #C67637 #87C637
monochromatic
#1C2166 #2A3096 #373FC6 #666CD4 #969AE2

Accessibility & contrast

On white

7.81
#373FC6 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.69
#373FC6 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373FC6
7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##373FC6#FFFFFF#000000##FFFFFF
##373FC61.007.812.697.81
#FFFFFF7.811.0021.001.00
#0000002.6921.001.0021.00
##FFFFFF7.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0059CA
Deuteranopia (green-blind)
#004BC3
Tritanopia (blue-blind)
#00647D
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #373fc6;
/* rgb */ color: rgb(55, 63, 198);
/* oklch */ color: oklch(45.6% 0.205 272.3);
Tailwind
colors: {
  custom: {
    50: '#8275d8',
    500: '#373fc6',
    950: '#000000',
  },
}
SCSS
$custom: #373fc6;
$custom-light: #8275d8;
$custom-dark: #000000;
JSON
{
  "hex": "#373fc6",
  "rgb": {
    "r": 55,
    "g": 63,
    "b": 198
  },
  "hsl": {
    "h": 236.643,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.45591,
    "c": 0.20518,
    "h": 272.3
  },
  "luminance": 0.08444
}

Semantic roles & 50–950 ramp

primary
#373FC6
secondary
#CDC98C
accent
#D748E0
background
#F8F7FD
surface
#F0EDFB
border
#CBC8D4
text
#0C0815
muted
#7D7B83

Preview Lab

Preview with #373FC6

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

Preview Lab → · Contrast checker → · Palette generator →

#373FC6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva