#374E86#374E86

#374E86 is a dark, moderate blue. Relative luminance 0.080; OKLCH L 43.4% C 0.097 H 265.7°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX#374E86
RGBrgb(55, 78, 134)
HSLhsl(223, 42%, 37%)
HSVhsv(223, 59%, 53%)
CMYKcmyk(59%, 41.8%, 0%, 47.5%)
CIE-LABlab(33.94, 9.20, -34.09)
CIE-LCHlch(33.94, 35.31, 285.11°)
OKLaboklab(43.37% -0.0073 -0.0968)
OKLCHoklch(43.37% 0.097 265.7)
XYZxyz(8.6016, 7.9816, 23.6370)
Luminance0.0798 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#374E86 #866F37
analogous
#377686 #374E86 #483786
triadic
#374E86 #86374E #4E8637
tetradic
#374E86 #863776 #866F37 #378648
square
#374E86 #863776 #866F37 #378648
split-complementary
#374E86 #864837 #768637
monochromatic
#131B2F #25355B #374E86 #4967B1 #728AC5

Accessibility & contrast

On white

8.09
#374E86 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.60
#374E86 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374E86
8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##374E86#FFFFFF#000000##FFFFFF
##374E861.008.092.608.09
#FFFFFF8.091.0021.001.00
#0000002.6021.001.0021.00
##FFFFFF8.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#365488
Deuteranopia (green-blind)
#2C4C85
Tritanopia (blue-blind)
#005A63
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #374e86;
/* rgb */ color: rgb(55, 78, 134);
/* oklch */ color: oklch(43.4% 0.097 265.7);
Tailwind
colors: {
  custom: {
    50: '#757fa9',
    500: '#374e86',
    950: '#000000',
  },
}
SCSS
$custom: #374e86;
$custom-light: #757fa9;
$custom-dark: #000000;
JSON
{
  "hex": "#374e86",
  "rgb": {
    "r": 55,
    "g": 78,
    "b": 134
  },
  "hsl": {
    "h": 222.532,
    "s": 41.799,
    "l": 37.059
  },
  "oklch": {
    "l": 0.43369,
    "c": 0.09708,
    "h": 265.7
  },
  "luminance": 0.07982
}

Semantic roles & 50–950 ramp

primary
#374E86
secondary
#AE9A6B
accent
#AE56D2
background
#F7F7FA
surface
#EDEEF4
border
#C8C9CE
text
#090A10
muted
#7B7C7F

Preview Lab

Preview with #374E86

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

Preview Lab → · Contrast checker → · Palette generator →

#374E86 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva