#374CC1#374CC1

#374CC1 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.4% C 0.184 H 270.0°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX#374CC1
RGBrgb(55, 76, 193)
HSLhsl(231, 56%, 49%)
HSVhsv(231, 72%, 76%)
CMYKcmyk(71.5%, 60.6%, 0%, 24.3%)
CIE-LABlab(37.54, 31.93, -63.64)
CIE-LCHlch(37.54, 71.20, 296.64°)
OKLaboklab(47.4% 0.0001 -0.1837)
OKLCHoklch(47.4% 0.184 270)
XYZxyz(13.7823, 9.8300, 51.6128)
Luminance0.0983 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#374CC1 #C1AC37
analogous
#3791C1 #374CC1 #6737C1
triadic
#374CC1 #C1374C #4CC137
tetradic
#374CC1 #C13791 #C1AC37 #37C167
square
#374CC1 #C13791 #C1AC37 #37C167
split-complementary
#374CC1 #C16737 #91C137
monochromatic
#1C2662 #293991 #374CC1 #6374D2 #929EE0

Accessibility & contrast

On white

7.08
#374CC1 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.97
#374CC1 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374CC1
7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##374CC1#FFFFFF#000000##FFFFFF
##374CC11.007.082.977.08
#FFFFFF7.081.0021.001.00
#0000002.9721.001.0021.00
##FFFFFF7.081.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005FC5
Deuteranopia (green-blind)
#0052BF
Tritanopia (blue-blind)
#006A7F
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #374cc1;
/* rgb */ color: rgb(55, 76, 193);
/* oklch */ color: oklch(47.4% 0.184 270.0);
Tailwind
colors: {
  custom: {
    50: '#807dd5',
    500: '#374cc1',
    950: '#000000',
  },
}
SCSS
$custom: #374cc1;
$custom-light: #807dd5;
$custom-dark: #000000;
JSON
{
  "hex": "#374cc1",
  "rgb": {
    "r": 55,
    "g": 76,
    "b": 193
  },
  "hsl": {
    "h": 230.87,
    "s": 55.645,
    "l": 48.627
  },
  "oklch": {
    "l": 0.47396,
    "c": 0.18368,
    "h": 270
  },
  "luminance": 0.09831
}

Semantic roles & 50–950 ramp

primary
#374CC1
secondary
#CBC189
accent
#C849DF
background
#F8F7FD
surface
#F0EEFA
border
#CBC9D3
text
#0C0914
muted
#7D7B83

Preview Lab

Preview with #374CC1

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

Preview Lab → · Contrast checker → · Palette generator →

#374CC1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva