#373BC5#373BC5

#373BC5 is a dark, highly saturated blue. Relative luminance 0.080; OKLCH L 44.9% C 0.208 H 273.0°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX#373BC5
RGBrgb(55, 59, 197)
HSLhsl(238, 56%, 49%)
HSVhsv(238, 72%, 77%)
CMYKcmyk(72.1%, 70.1%, 0%, 22.7%)
CIE-LABlab(33.92, 43.85, -71.90)
CIE-LCHlch(33.92, 84.22, 301.38°)
OKLaboklab(44.86% 0.0108 -0.208)
OKLCHoklch(44.86% 0.208 273)
XYZxyz(13.2142, 7.9700, 53.6545)
Luminance0.0797 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#373BC5 #C5C137
analogous
#3782C5 #373BC5 #7A37C5
triadic
#373BC5 #C5373B #3BC537
tetradic
#373BC5 #C53782 #C5C137 #37C57A
square
#373BC5 #C53782 #C5C137 #37C57A
split-complementary
#373BC5 #C57A37 #82C537
monochromatic
#1C1E65 #2A2D95 #373BC5 #6568D4 #9597E1

Accessibility & contrast

On white

8.09
#373BC5 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.59
#373BC5 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373BC5
8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##373BC5#FFFFFF#000000##FFFFFF
##373BC51.008.092.598.09
#FFFFFF8.091.0021.001.00
#0000002.5921.001.0021.00
##FFFFFF8.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0056C9
Deuteranopia (green-blind)
#0049C2
Tritanopia (blue-blind)
#00617C
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #373bc5;
/* rgb */ color: rgb(55, 59, 197);
/* oklch */ color: oklch(44.9% 0.208 273.0);
Tailwind
colors: {
  custom: {
    50: '#8372d8',
    500: '#373bc5',
    950: '#000000',
  },
}
SCSS
$custom: #373bc5;
$custom-light: #8372d8;
$custom-dark: #000000;
JSON
{
  "hex": "#373bc5",
  "rgb": {
    "r": 55,
    "g": 59,
    "b": 197
  },
  "hsl": {
    "h": 238.31,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.44863,
    "c": 0.20824,
    "h": 273
  },
  "luminance": 0.07971
}

Semantic roles & 50–950 ramp

primary
#373BC5
secondary
#CDCB8B
accent
#DB48E0
background
#F8F6FD
surface
#F0ECFB
border
#CBC7D4
text
#0C0815
muted
#7D7B83

Preview Lab

Preview with #373BC5

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

Preview Lab → · Contrast checker → · Palette generator →

#373BC5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva