#373EC7#373EC7

#373EC7 is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.5% C 0.208 H 272.4°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX#373EC7
RGBrgb(55, 62, 199)
HSLhsl(237, 57%, 50%)
HSVhsv(237, 72%, 78%)
CMYKcmyk(72.4%, 68.8%, 0%, 22%)
CIE-LABlab(34.76, 42.74, -71.69)
CIE-LCHlch(34.76, 83.46, 300.81°)
OKLaboklab(45.53% 0.0088 -0.2073)
OKLCHoklch(45.53% 0.208 272.4)
XYZxyz(13.6035, 8.3796, 54.9223)
Luminance0.0838 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#373EC7 #C7C037
analogous
#3786C7 #373EC7 #7837C7
triadic
#373EC7 #C7373E #3EC737
tetradic
#373EC7 #C73786 #C7C037 #37C778
square
#373EC7 #C73786 #C7C037 #37C778
split-complementary
#373EC7 #C77837 #86C737
monochromatic
#1C2067 #2A2F97 #373EC7 #666CD5 #969AE2

Accessibility & contrast

On white

7.85
#373EC7 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.68
#373EC7 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373EC7
7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##373EC7#FFFFFF#000000##FFFFFF
##373EC71.007.852.687.85
#FFFFFF7.851.0021.001.00
#0000002.6821.001.0021.00
##FFFFFF7.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0059CB
Deuteranopia (green-blind)
#004BC4
Tritanopia (blue-blind)
#00647E
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #373ec7;
/* rgb */ color: rgb(55, 62, 199);
/* oklch */ color: oklch(45.5% 0.208 272.4);
Tailwind
colors: {
  custom: {
    50: '#8374d9',
    500: '#373ec7',
    950: '#000000',
  },
}
SCSS
$custom: #373ec7;
$custom-light: #8374d9;
$custom-dark: #000000;
JSON
{
  "hex": "#373ec7",
  "rgb": {
    "r": 55,
    "g": 62,
    "b": 199
  },
  "hsl": {
    "h": 237.083,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.45527,
    "c": 0.20752,
    "h": 272.4
  },
  "luminance": 0.08381
}

Semantic roles & 50–950 ramp

primary
#373EC7
secondary
#CDCA8C
accent
#D948E0
background
#F8F7FD
surface
#F0EDFB
border
#CBC8D4
text
#0C0815
muted
#7D7B83

Preview Lab

Preview with #373EC7

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

Preview Lab → · Contrast checker → · Palette generator →

#373EC7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva