#373DC6#373DC6

#373DC6 is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.3% C 0.207 H 272.6°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX#373DC6
RGBrgb(55, 61, 198)
HSLhsl(237, 57%, 50%)
HSVhsv(237, 72%, 78%)
CMYKcmyk(72.2%, 69.2%, 0%, 22.4%)
CIE-LABlab(34.45, 43.00, -71.62)
CIE-LCHlch(34.45, 83.53, 300.98°)
OKLaboklab(45.27% 0.0095 -0.2071)
OKLCHoklch(45.27% 0.207 272.6)
XYZxyz(13.4339, 8.2256, 54.2948)
Luminance0.0823 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#373DC6 #C6C037
analogous
#3784C6 #373DC6 #7937C6
triadic
#373DC6 #C6373D #3DC637
tetradic
#373DC6 #C63784 #C6C037 #37C679
square
#373DC6 #C63784 #C6C037 #37C679
split-complementary
#373DC6 #C67937 #84C637
monochromatic
#1C1F66 #2A2E96 #373DC6 #666AD4 #9699E2

Accessibility & contrast

On white

7.94
#373DC6 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.65
#373DC6 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373DC6
7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##373DC6#FFFFFF#000000##FFFFFF
##373DC61.007.942.657.94
#FFFFFF7.941.0021.001.00
#0000002.6521.001.0021.00
##FFFFFF7.941.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0058CA
Deuteranopia (green-blind)
#004AC3
Tritanopia (blue-blind)
#00637D
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #373dc6;
/* rgb */ color: rgb(55, 61, 198);
/* oklch */ color: oklch(45.3% 0.207 272.6);
Tailwind
colors: {
  custom: {
    50: '#8373d8',
    500: '#373dc6',
    950: '#000000',
  },
}
SCSS
$custom: #373dc6;
$custom-light: #8373d8;
$custom-dark: #000000;
JSON
{
  "hex": "#373dc6",
  "rgb": {
    "r": 55,
    "g": 61,
    "b": 198
  },
  "hsl": {
    "h": 237.483,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.45272,
    "c": 0.20735,
    "h": 272.6
  },
  "luminance": 0.08227
}

Semantic roles & 50–950 ramp

primary
#373DC6
secondary
#CDCA8C
accent
#D948E0
background
#F8F7FD
surface
#F0EDFB
border
#CBC8D4
text
#0C0815
muted
#7D7B83

Preview Lab

Preview with #373DC6

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

Preview Lab → · Contrast checker → · Palette generator →

#373DC6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva