#373BC3#373BC3

#373BC3 is a dark, highly saturated blue. Relative luminance 0.079; OKLCH L 44.7% C 0.206 H 273.1°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX#373BC3
RGBrgb(55, 59, 195)
HSLhsl(238, 56%, 49%)
HSVhsv(238, 72%, 76%)
CMYKcmyk(71.8%, 69.7%, 0%, 23.5%)
CIE-LABlab(33.73, 43.17, -71.05)
CIE-LCHlch(33.73, 83.14, 301.29°)
OKLaboklab(44.67% 0.011 -0.2055)
OKLCHoklch(44.67% 0.206 273.1)
XYZxyz(12.9865, 7.8790, 52.4556)
Luminance0.0788 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#373BC3 #C3BF37
analogous
#3781C3 #373BC3 #7937C3
triadic
#373BC3 #C3373B #3BC337
tetradic
#373BC3 #C33781 #C3BF37 #37C379
square
#373BC3 #C33781 #C3BF37 #37C379
split-complementary
#373BC3 #C37937 #81C337
monochromatic
#1C1E64 #2A2D93 #373BC3 #6467D3 #9496E1

Accessibility & contrast

On white

8.15
#373BC3 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.58
#373BC3 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373BC3
8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##373BC3#FFFFFF#000000##FFFFFF
##373BC31.008.152.588.15
#FFFFFF8.151.0021.001.00
#0000002.5821.001.0021.00
##FFFFFF8.151.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0056C7
Deuteranopia (green-blind)
#0049C0
Tritanopia (blue-blind)
#00617A
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #373bc3;
/* rgb */ color: rgb(55, 59, 195);
/* oklch */ color: oklch(44.7% 0.206 273.1);
Tailwind
colors: {
  custom: {
    50: '#8272d6',
    500: '#373bc3',
    950: '#000000',
  },
}
SCSS
$custom: #373bc3;
$custom-light: #8272d6;
$custom-dark: #000000;
JSON
{
  "hex": "#373bc3",
  "rgb": {
    "r": 55,
    "g": 59,
    "b": 195
  },
  "hsl": {
    "h": 238.286,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.44669,
    "c": 0.20576,
    "h": 273.1
  },
  "luminance": 0.0788
}

Semantic roles & 50–950 ramp

primary
#373BC3
secondary
#CCCA8A
accent
#DB49DF
background
#F8F6FD
surface
#F0ECFA
border
#CBC7D3
text
#0C0814
muted
#7D7B83

Preview Lab

Preview with #373BC3

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

Preview Lab → · Contrast checker → · Palette generator →

#373BC3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva