#1D3763#1D3763

#1D3763 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.1% C 0.084 H 260.3°. Best body text is #FFFFFF at 11.81:1 contrast (WCAG AA passes).

Color values

HEX#1D3763
RGBrgb(29, 55, 99)
HSLhsl(218, 55%, 25%)
HSVhsv(218, 71%, 39%)
CMYKcmyk(70.7%, 44.4%, 0%, 61.2%)
CIE-LABlab(23.32, 6.23, -28.99)
CIE-LCHlch(23.32, 29.65, 282.12°)
OKLaboklab(34.09% -0.0142 -0.0827)
OKLCHoklch(34.09% 0.084 260.3)
XYZxyz(4.1242, 3.8940, 12.3362)
Luminance0.0389 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1D3763 #63491D
analogous
#1D5A63 #1D3763 #261D63
triadic
#1D3763 #631D37 #37631D
tetradic
#1D3763 #631D5A #63491D #1D6326
square
#1D3763 #631D5A #63491D #1D6326
split-complementary
#1D3763 #63261D #5A631D
monochromatic
#070D18 #0F1D34 #1D3763 #2B5192 #396CC2

Accessibility & contrast

On white

11.81
#1D3763 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.78
#1D3763 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3763
11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1D3763#FFFFFF#000000##FFFFFF
##1D37631.0011.811.7811.81
#FFFFFF11.811.0021.001.00
#0000001.7821.001.0021.00
##FFFFFF11.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#233B65
Deuteranopia (green-blind)
#183562
Tritanopia (blue-blind)
#004148
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #1d3763;
/* rgb */ color: rgb(29, 55, 99);
/* oklch */ color: oklch(34.1% 0.084 260.3);
Tailwind
colors: {
  custom: {
    50: '#626d90',
    500: '#1d3763',
    950: '#000000',
  },
}
SCSS
$custom: #1d3763;
$custom-light: #626d90;
$custom-dark: #000000;
JSON
{
  "hex": "#1d3763",
  "rgb": {
    "r": 29,
    "g": 55,
    "b": 99
  },
  "hsl": {
    "h": 217.714,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34085,
    "c": 0.08388,
    "h": 260.3
  },
  "luminance": 0.03894
}

Semantic roles & 50–950 ramp

primary
#1D3763
secondary
#987944
accent
#A74ADE
background
#F6F6F8
surface
#EBEBF0
border
#C6C6CB
text
#05070C
muted
#7A7A7D

Preview Lab

Preview with #1D3763

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

Preview Lab → · Contrast checker → · Palette generator →

#1D3763 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva