#373EC3#373EC3

#373EC3 is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.1% C 0.203 H 272.6°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX#373EC3
RGBrgb(55, 62, 195)
HSLhsl(237, 56%, 49%)
HSVhsv(237, 72%, 76%)
CMYKcmyk(71.8%, 68.2%, 0%, 23.5%)
CIE-LABlab(34.39, 41.38, -69.96)
CIE-LCHlch(34.39, 81.28, 300.60°)
OKLaboklab(45.14% 0.0093 -0.2023)
OKLCHoklch(45.14% 0.203 272.6)
XYZxyz(13.1452, 8.1963, 52.5085)
Luminance0.0820 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#373EC3 #C3BC37
analogous
#3784C3 #373EC3 #7637C3
triadic
#373EC3 #C3373E #3EC337
tetradic
#373EC3 #C33784 #C3BC37 #37C376
square
#373EC3 #C33784 #C3BC37 #37C376
split-complementary
#373EC3 #C37637 #84C337
monochromatic
#1C2064 #2A2F93 #373EC3 #646AD3 #9498E1

Accessibility & contrast

On white

7.96
#373EC3 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.64
#373EC3 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373EC3
7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##373EC3#FFFFFF#000000##FFFFFF
##373EC31.007.962.647.96
#FFFFFF7.961.0021.001.00
#0000002.6421.001.0021.00
##FFFFFF7.961.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0057C7
Deuteranopia (green-blind)
#004AC1
Tritanopia (blue-blind)
#00627B
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #373ec3;
/* rgb */ color: rgb(55, 62, 195);
/* oklch */ color: oklch(45.1% 0.203 272.6);
Tailwind
colors: {
  custom: {
    50: '#8274d6',
    500: '#373ec3',
    950: '#000000',
  },
}
SCSS
$custom: #373ec3;
$custom-light: #8274d6;
$custom-dark: #000000;
JSON
{
  "hex": "#373ec3",
  "rgb": {
    "r": 55,
    "g": 62,
    "b": 195
  },
  "hsl": {
    "h": 237,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.45144,
    "c": 0.2025,
    "h": 272.6
  },
  "luminance": 0.08198
}

Semantic roles & 50–950 ramp

primary
#373EC3
secondary
#CCC98A
accent
#D849DF
background
#F8F7FD
surface
#F0EDFA
border
#CBC8D3
text
#0C0814
muted
#7D7B83

Preview Lab

Preview with #373EC3

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

Preview Lab → · Contrast checker → · Palette generator →

#373EC3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva