#1D4389#1D4389

#1D4389 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 39.8% C 0.125 H 261.3°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX#1D4389
RGBrgb(29, 67, 137)
HSLhsl(219, 65%, 33%)
HSVhsv(219, 79%, 54%)
CMYKcmyk(78.8%, 51.1%, 0%, 46.3%)
CIE-LABlab(29.62, 13.24, -42.94)
CIE-LCHlch(29.62, 44.94, 287.13°)
OKLaboklab(39.76% -0.0189 -0.1235)
OKLCHoklch(39.76% 0.125 261.3)
XYZxyz(7.0276, 6.0809, 24.4654)
Luminance0.0608 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D4389 #89631D
analogous
#1D7989 #1D4389 #2D1D89
triadic
#1D4389 #891D43 #43891D
tetradic
#1D4389 #891D79 #89631D #1D892D
square
#1D4389 #891D79 #89631D #1D892D
split-complementary
#1D4389 #892D1D #79891D
monochromatic
#081224 #122A56 #1D4389 #285CBC #487BD8

Accessibility & contrast

On white

9.47
#1D4389 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.22
#1D4389 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4389
9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D4389#FFFFFF#000000##FFFFFF
##1D43891.009.472.229.47
#FFFFFF9.471.0021.001.00
#0000002.2221.001.0021.00
##FFFFFF9.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#194B8C
Deuteranopia (green-blind)
#004188
Tritanopia (blue-blind)
#00545F
Achromatopsia (no color)
#464646

Design tokens & code

CSS
--color: #1d4389;
/* rgb */ color: rgb(29, 67, 137);
/* oklch */ color: oklch(39.8% 0.125 261.3);
Tailwind
colors: {
  custom: {
    50: '#6a76ac',
    500: '#1d4389',
    950: '#000000',
  },
}
SCSS
$custom: #1d4389;
$custom-light: #6a76ac;
$custom-dark: #000000;
JSON
{
  "hex": "#1d4389",
  "rgb": {
    "r": 29,
    "g": 67,
    "b": 137
  },
  "hsl": {
    "h": 218.889,
    "s": 65.06,
    "l": 32.549
  },
  "oklch": {
    "l": 0.39764,
    "c": 0.12491,
    "h": 261.3
  },
  "luminance": 0.06082
}

Semantic roles & 50–950 ramp

primary
#1D4389
secondary
#BA9247
accent
#AD40E8
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#070810
muted
#7A7B7F

Preview Lab

Preview with #1D4389

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

Preview Lab → · Contrast checker → · Palette generator →

#1D4389 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva