#1D4798#1D4798

#1D4798 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 41.8% C 0.141 H 261.8°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX#1D4798
RGBrgb(29, 71, 152)
HSLhsl(220, 68%, 35%)
HSVhsv(220, 81%, 60%)
CMYKcmyk(80.9%, 53.3%, 0%, 40.4%)
CIE-LABlab(31.88, 16.55, -48.47)
CIE-LCHlch(31.88, 51.21, 288.85°)
OKLaboklab(41.84% -0.0201 -0.1396)
OKLCHoklch(41.84% 0.141 261.8)
XYZxyz(8.4254, 7.0337, 30.6133)
Luminance0.0703 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D4798 #986E1D
analogous
#1D8498 #1D4798 #301D98
triadic
#1D4798 #981D47 #47981D
tetradic
#1D4798 #981D84 #986E1D #1D9830
square
#1D4798 #981D84 #986E1D #1D9830
split-complementary
#1D4798 #98301D #84981D
monochromatic
#091731 #132F65 #1D4798 #275FCB #5281DE

Accessibility & contrast

On white

8.72
#1D4798 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.41
#1D4798 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4798
8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D4798#FFFFFF#000000##FFFFFF
##1D47981.008.722.418.72
#FFFFFF8.721.0021.001.00
#0000002.4121.001.0021.00
##FFFFFF8.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0D519B
Deuteranopia (green-blind)
#004696
Tritanopia (blue-blind)
#005B68
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #1d4798;
/* rgb */ color: rgb(29, 71, 152);
/* oklch */ color: oklch(41.8% 0.141 261.8);
Tailwind
colors: {
  custom: {
    50: '#6e79b7',
    500: '#1d4798',
    950: '#000000',
  },
}
SCSS
$custom: #1d4798;
$custom-light: #6e79b7;
$custom-dark: #000000;
JSON
{
  "hex": "#1d4798",
  "rgb": {
    "r": 29,
    "g": 71,
    "b": 152
  },
  "hsl": {
    "h": 219.512,
    "s": 67.956,
    "l": 35.49
  },
  "oklch": {
    "l": 0.41843,
    "c": 0.14109,
    "h": 261.8
  },
  "luminance": 0.07035
}

Semantic roles & 50–950 ramp

primary
#1D4798
secondary
#C19A50
accent
#AF3DEB
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#080911
muted
#7B7B80

Preview Lab

Preview with #1D4798

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

Preview Lab → · Contrast checker → · Palette generator →

#1D4798 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva