#373DC3#373DC3

#373DC3 is a dark, highly saturated blue. Relative luminance 0.081; OKLCH L 45.0% C 0.204 H 272.8°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX#373DC3
RGBrgb(55, 61, 195)
HSLhsl(237, 56%, 49%)
HSVhsv(237, 72%, 76%)
CMYKcmyk(71.8%, 68.7%, 0%, 23.5%)
CIE-LABlab(34.17, 41.98, -70.33)
CIE-LCHlch(34.17, 81.90, 300.84°)
OKLaboklab(44.98% 0.0099 -0.2034)
OKLCHoklch(44.98% 0.204 272.8)
XYZxyz(13.0913, 8.0885, 52.4905)
Luminance0.0809 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#373DC3 #C3BD37
analogous
#3783C3 #373DC3 #7737C3
triadic
#373DC3 #C3373D #3DC337
tetradic
#373DC3 #C33783 #C3BD37 #37C377
square
#373DC3 #C33783 #C3BD37 #37C377
split-complementary
#373DC3 #C37737 #83C337
monochromatic
#1C1F64 #2A2E93 #373DC3 #6469D3 #9497E1

Accessibility & contrast

On white

8.02
#373DC3 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.62
#373DC3 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373DC3
8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##373DC3#FFFFFF#000000##FFFFFF
##373DC31.008.022.628.02
#FFFFFF8.021.0021.001.00
#0000002.6221.001.0021.00
##FFFFFF8.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0057C7
Deuteranopia (green-blind)
#004AC1
Tritanopia (blue-blind)
#00627B
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #373dc3;
/* rgb */ color: rgb(55, 61, 195);
/* oklch */ color: oklch(45.0% 0.204 272.8);
Tailwind
colors: {
  custom: {
    50: '#8273d6',
    500: '#373dc3',
    950: '#000000',
  },
}
SCSS
$custom: #373dc3;
$custom-light: #8273d6;
$custom-dark: #000000;
JSON
{
  "hex": "#373dc3",
  "rgb": {
    "r": 55,
    "g": 61,
    "b": 195
  },
  "hsl": {
    "h": 237.429,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.44984,
    "c": 0.2036,
    "h": 272.8
  },
  "luminance": 0.0809
}

Semantic roles & 50–950 ramp

primary
#373DC3
secondary
#CCC98A
accent
#D949DF
background
#F8F7FD
surface
#F0EDFA
border
#CBC8D3
text
#0C0814
muted
#7D7B83

Preview Lab

Preview with #373DC3

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

Preview Lab → · Contrast checker → · Palette generator →

#373DC3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva