#374CBE#374CBE

#374CBE is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.1% C 0.180 H 270.0°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX#374CBE
RGBrgb(55, 76, 190)
HSLhsl(231, 55%, 48%)
HSVhsv(231, 71%, 75%)
CMYKcmyk(71.1%, 60%, 0%, 25.5%)
CIE-LABlab(37.29, 30.85, -62.28)
CIE-LCHlch(37.29, 69.50, 296.35°)
OKLaboklab(47.14% 0.0001 -0.1797)
OKLCHoklch(47.14% 0.18 270)
XYZxyz(13.4511, 9.6975, 49.8681)
Luminance0.0970 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#374CBE #BEA937
analogous
#378FBE #374CBE #6637BE
triadic
#374CBE #BE374C #4CBE37
tetradic
#374CBE #BE378F #BEA937 #37BE66
square
#374CBE #BE378F #BEA937 #37BE66
split-complementary
#374CBE #BE6637 #8FBE37
monochromatic
#1C265F #29398F #374CBE #6172D1 #909DDF

Accessibility & contrast

On white

7.14
#374CBE on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.94
#374CBE on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374CBE
7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##374CBE#FFFFFF#000000##FFFFFF
##374CBE1.007.142.947.14
#FFFFFF7.141.0021.001.00
#0000002.9421.001.0021.00
##FFFFFF7.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005EC2
Deuteranopia (green-blind)
#0052BC
Tritanopia (blue-blind)
#00697D
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #374cbe;
/* rgb */ color: rgb(55, 76, 190);
/* oklch */ color: oklch(47.1% 0.180 270.0);
Tailwind
colors: {
  custom: {
    50: '#807dd2',
    500: '#374cbe',
    950: '#000000',
  },
}
SCSS
$custom: #374cbe;
$custom-light: #807dd2;
$custom-dark: #000000;
JSON
{
  "hex": "#374cbe",
  "rgb": {
    "r": 55,
    "g": 76,
    "b": 190
  },
  "hsl": {
    "h": 230.667,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.47141,
    "c": 0.17969,
    "h": 270
  },
  "luminance": 0.09699
}

Semantic roles & 50–950 ramp

primary
#374CBE
secondary
#CABF87
accent
#C749DE
background
#F8F7FD
surface
#F0EEFA
border
#CBC9D3
text
#0C0914
muted
#7D7B83

Preview Lab

Preview with #374CBE

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

Preview Lab → · Contrast checker → · Palette generator →

#374CBE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva