#373FC3#373FC3

#373FC3 is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.3% C 0.201 H 272.5°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX#373FC3
RGBrgb(55, 63, 195)
HSLhsl(237, 56%, 49%)
HSVhsv(237, 72%, 76%)
CMYKcmyk(71.8%, 67.7%, 0%, 23.5%)
CIE-LABlab(34.61, 40.77, -69.59)
CIE-LCHlch(34.61, 80.66, 300.37°)
OKLaboklab(45.31% 0.0087 -0.2012)
OKLCHoklch(45.31% 0.201 272.5)
XYZxyz(13.2001, 8.3060, 52.5267)
Luminance0.0831 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#373FC3 #C3BB37
analogous
#3785C3 #373FC3 #7537C3
triadic
#373FC3 #C3373F #3FC337
tetradic
#373FC3 #C33785 #C3BB37 #37C375
square
#373FC3 #C33785 #C3BB37 #37C375
split-complementary
#373FC3 #C37537 #85C337
monochromatic
#1C2064 #2A3093 #373FC3 #646AD3 #9498E1

Accessibility & contrast

On white

7.89
#373FC3 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.66
#373FC3 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373FC3
7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##373FC3#FFFFFF#000000##FFFFFF
##373FC31.007.892.667.89
#FFFFFF7.891.0021.001.00
#0000002.6621.001.0021.00
##FFFFFF7.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0058C7
Deuteranopia (green-blind)
#004BC1
Tritanopia (blue-blind)
#00637C
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #373fc3;
/* rgb */ color: rgb(55, 63, 195);
/* oklch */ color: oklch(45.3% 0.201 272.5);
Tailwind
colors: {
  custom: {
    50: '#8274d6',
    500: '#373fc3',
    950: '#000000',
  },
}
SCSS
$custom: #373fc3;
$custom-light: #8274d6;
$custom-dark: #000000;
JSON
{
  "hex": "#373fc3",
  "rgb": {
    "r": 55,
    "g": 63,
    "b": 195
  },
  "hsl": {
    "h": 236.571,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.45306,
    "c": 0.2014,
    "h": 272.5
  },
  "luminance": 0.08307
}

Semantic roles & 50–950 ramp

primary
#373FC3
secondary
#CCC88A
accent
#D749DF
background
#F8F7FD
surface
#F0EDFA
border
#CBC8D3
text
#0C0814
muted
#7D7B83

Preview Lab

Preview with #373FC3

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

Preview Lab → · Contrast checker → · Palette generator →

#373FC3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva