#373AC6#373AC6

#373AC6 is a dark, highly saturated blue. Relative luminance 0.079; OKLCH L 44.8% C 0.211 H 273.0°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX#373AC6
RGBrgb(55, 58, 198)
HSLhsl(239, 57%, 50%)
HSVhsv(239, 72%, 78%)
CMYKcmyk(72.2%, 70.7%, 0%, 22.4%)
CIE-LABlab(33.80, 44.77, -72.68)
CIE-LCHlch(33.80, 85.36, 301.63°)
OKLaboklab(44.81% 0.0112 -0.2102)
OKLCHoklch(44.81% 0.211 273)
XYZxyz(13.2782, 7.9142, 54.2429)
Luminance0.0792 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#373AC6 #C6C337
analogous
#3782C6 #373AC6 #7B37C6
triadic
#373AC6 #C6373A #3AC637
tetradic
#373AC6 #C63782 #C6C337 #37C67B
square
#373AC6 #C63782 #C6C337 #37C67B
split-complementary
#373AC6 #C67B37 #82C637
monochromatic
#1C1E66 #2A2C96 #373AC6 #6668D4 #9697E2

Accessibility & contrast

On white

8.13
#373AC6 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.58
#373AC6 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373AC6
8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##373AC6#FFFFFF#000000##FFFFFF
##373AC61.008.132.588.13
#FFFFFF8.131.0021.001.00
#0000002.5821.001.0021.00
##FFFFFF8.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0056CA
Deuteranopia (green-blind)
#0049C3
Tritanopia (blue-blind)
#00617C
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #373ac6;
/* rgb */ color: rgb(55, 58, 198);
/* oklch */ color: oklch(44.8% 0.211 273.0);
Tailwind
colors: {
  custom: {
    50: '#8371d9',
    500: '#373ac6',
    950: '#000000',
  },
}
SCSS
$custom: #373ac6;
$custom-light: #8371d9;
$custom-dark: #000000;
JSON
{
  "hex": "#373ac6",
  "rgb": {
    "r": 55,
    "g": 58,
    "b": 198
  },
  "hsl": {
    "h": 238.741,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.44809,
    "c": 0.21052,
    "h": 273
  },
  "luminance": 0.07916
}

Semantic roles & 50–950 ramp

primary
#373AC6
secondary
#CDCC8C
accent
#DD48E0
background
#F8F6FD
surface
#F0ECFB
border
#CBC7D4
text
#0C0815
muted
#7D7B83

Preview Lab

Preview with #373AC6

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

Preview Lab → · Contrast checker → · Palette generator →

#373AC6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva