#374F86#374F86

#374F86 is a dark, moderate blue. Relative luminance 0.081; OKLCH L 43.6% C 0.096 H 264.9°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX#374F86
RGBrgb(55, 79, 134)
HSLhsl(222, 42%, 37%)
HSVhsv(222, 59%, 53%)
CMYKcmyk(59%, 41%, 0%, 47.5%)
CIE-LABlab(34.24, 8.55, -33.62)
CIE-LCHlch(34.24, 34.69, 284.26°)
OKLaboklab(43.6% -0.0085 -0.0954)
OKLCHoklch(43.6% 0.096 264.9)
XYZxyz(8.6731, 8.1247, 23.6608)
Luminance0.0813 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#374F86 #866E37
analogous
#377786 #374F86 #473786
triadic
#374F86 #86374F #4F8637
tetradic
#374F86 #863777 #866E37 #378647
square
#374F86 #863777 #866E37 #378647
split-complementary
#374F86 #864737 #778637
monochromatic
#131C2F #25355B #374F86 #4969B1 #728BC5

Accessibility & contrast

On white

8.00
#374F86 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.63
#374F86 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374F86
8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##374F86#FFFFFF#000000##FFFFFF
##374F861.008.002.638.00
#FFFFFF8.001.0021.001.00
#0000002.6321.001.0021.00
##FFFFFF8.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#385488
Deuteranopia (green-blind)
#2E4D85
Tritanopia (blue-blind)
#005B64
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #374f86;
/* rgb */ color: rgb(55, 79, 134);
/* oklch */ color: oklch(43.6% 0.096 264.9);
Tailwind
colors: {
  custom: {
    50: '#7580a9',
    500: '#374f86',
    950: '#000000',
  },
}
SCSS
$custom: #374f86;
$custom-light: #7580a9;
$custom-dark: #000000;
JSON
{
  "hex": "#374f86",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 134
  },
  "hsl": {
    "h": 221.772,
    "s": 41.799,
    "l": 37.059
  },
  "oklch": {
    "l": 0.43598,
    "c": 0.09579,
    "h": 264.9
  },
  "luminance": 0.08125
}

Semantic roles & 50–950 ramp

primary
#374F86
secondary
#AE9A6B
accent
#AC56D2
background
#F7F7FA
surface
#EDEEF4
border
#C8C9CE
text
#090A10
muted
#7B7C7F

Preview Lab

Preview with #374F86

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

Preview Lab → · Contrast checker → · Palette generator →

#374F86 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva