#374CAA#374CAA

#374CAA is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.5% C 0.152 H 269.8°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX#374CAA
RGBrgb(55, 76, 170)
HSLhsl(229, 51%, 44%)
HSVhsv(229, 68%, 67%)
CMYKcmyk(67.6%, 55.3%, 0%, 33.3%)
CIE-LABlab(35.76, 23.59, -52.96)
CIE-LCHlch(35.76, 57.98, 294.00°)
OKLaboklab(45.51% -0.0004 -0.1523)
OKLCHoklch(45.51% 0.152 269.8)
XYZxyz(11.4132, 8.8823, 39.1354)
Luminance0.0888 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#374CAA #AA9537
analogous
#3786AA #374CAA #5B37AA
triadic
#374CAA #AA374C #4CAA37
tetradic
#374CAA #AA3786 #AA9537 #37AA5B
square
#374CAA #AA3786 #AA9537 #37AA5B
split-complementary
#374CAA #AA5B37 #86AA37
monochromatic
#19234E #28377C #374CAA #566BC8 #8493D7

Accessibility & contrast

On white

7.56
#374CAA on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.78
#374CAA on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374CAA
7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##374CAA#FFFFFF#000000##FFFFFF
##374CAA1.007.562.787.56
#FFFFFF7.561.0021.001.00
#0000002.7821.001.0021.00
##FFFFFF7.561.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005AAD
Deuteranopia (green-blind)
#004FA8
Tritanopia (blue-blind)
#006373
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #374caa;
/* rgb */ color: rgb(55, 76, 170);
/* oklch */ color: oklch(45.5% 0.152 269.8);
Tailwind
colors: {
  custom: {
    50: '#7b7dc4',
    500: '#374caa',
    950: '#000000',
  },
}
SCSS
$custom: #374caa;
$custom-light: #7b7dc4;
$custom-dark: #000000;
JSON
{
  "hex": "#374caa",
  "rgb": {
    "r": 55,
    "g": 76,
    "b": 170
  },
  "hsl": {
    "h": 229.043,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.4551,
    "c": 0.15231,
    "h": 269.8
  },
  "luminance": 0.08883
}

Semantic roles & 50–950 ramp

primary
#374CAA
secondary
#C1B47C
accent
#C14DDB
background
#F8F7FC
surface
#EFEEF8
border
#CAC9D1
text
#0A0913
muted
#7C7B82

Preview Lab

Preview with #374CAA

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

Preview Lab → · Contrast checker → · Palette generator →

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