#1D4C73#1D4C73

#1D4C73 is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.4% C 0.083 H 246.9°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX#1D4C73
RGBrgb(29, 76, 115)
HSLhsl(207, 60%, 28%)
HSVhsv(207, 75%, 45%)
CMYKcmyk(74.8%, 33.9%, 0%, 54.9%)
CIE-LABlab(31.04, -1.64, -26.97)
CIE-LCHlch(31.04, 27.02, 266.52°)
OKLaboklab(40.42% -0.0326 -0.0764)
OKLCHoklch(40.42% 0.083 246.9)
XYZxyz(6.1845, 6.6672, 17.1773)
Luminance0.0667 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D4C73 #73441D
analogous
#1D736F #1D4C73 #1D2173
triadic
#1D4C73 #731D4C #4C731D
tetradic
#1D4C73 #6F1D73 #73441D #21731D
square
#1D4C73 #6F1D73 #73441D #21731D
split-complementary
#1D4C73 #731D21 #736F1D
monochromatic
#061018 #112C42 #1D4C73 #296CA4 #3C8CCE

Accessibility & contrast

On white

9.00
#1D4C73 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.33
#1D4C73 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4C73
9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D4C73#FFFFFF#000000##FFFFFF
##1D4C731.009.002.339.00
#FFFFFF9.001.0021.001.00
#0000002.3321.001.0021.00
##FFFFFF9.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3A4E75
Deuteranopia (green-blind)
#2E4572
Tritanopia (blue-blind)
#00555A
Achromatopsia (no color)
#494949

Design tokens & code

CSS
--color: #1d4c73;
/* rgb */ color: rgb(29, 76, 115);
/* oklch */ color: oklch(40.4% 0.083 246.9);
Tailwind
colors: {
  custom: {
    50: '#657d9b',
    500: '#1d4c73',
    950: '#000000',
  },
}
SCSS
$custom: #1d4c73;
$custom-light: #657d9b;
$custom-dark: #000000;
JSON
{
  "hex": "#1d4c73",
  "rgb": {
    "r": 29,
    "g": 76,
    "b": 115
  },
  "hsl": {
    "h": 207.209,
    "s": 59.722,
    "l": 28.235
  },
  "oklch": {
    "l": 0.40422,
    "c": 0.08311,
    "h": 246.9
  },
  "luminance": 0.06668
}

Semantic roles & 50–950 ramp

primary
#1D4C73
secondary
#A77145
accent
#8D45E3
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#06090E
muted
#7A7B7E

Preview Lab

Preview with #1D4C73

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

Preview Lab → · Contrast checker → · Palette generator →

#1D4C73 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva