#131C3D#131C3D

#131C3D is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 23.9% C 0.064 H 269.6°. Best body text is #FFFFFF at 16.65:1 contrast (WCAG AA passes).

Color values

HEX#131C3D
RGBrgb(19, 28, 61)
HSLhsl(227, 53%, 16%)
HSVhsv(227, 69%, 24%)
CMYKcmyk(68.9%, 54.1%, 0%, 76.1%)
CIE-LABlab(11.32, 8.39, -22.49)
CIE-LCHlch(11.32, 24.00, 290.46°)
OKLaboklab(23.86% -0.0005 -0.0642)
OKLCHoklch(23.86% 0.064 269.6)
XYZxyz(1.5258, 1.3058, 4.5856)
Luminance0.0131 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#131C3D #3D3413
analogous
#13313D #131C3D #1F133D
triadic
#131C3D #3D131C #1C3D13
tetradic
#131C3D #3D1331 #3D3413 #133D1F
square
#131C3D #3D1331 #3D3413 #133D1F
split-complementary
#131C3D #3D1F13 #313D13
monochromatic
#070B17 #070B17 #131C3D #22316C #30479A

Accessibility & contrast

On white

16.65
#131C3D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.26
#131C3D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C3D
16.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##131C3D#FFFFFF#000000##FFFFFF
##131C3D1.0016.651.2616.65
#FFFFFF16.651.0021.001.00
#0000001.2621.001.0021.00
##FFFFFF16.651.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0C203E
Deuteranopia (green-blind)
#061C3C
Tritanopia (blue-blind)
#002329
Achromatopsia (no color)
#1E1E1E

Design tokens & code

CSS
--color: #131c3d;
/* rgb */ color: rgb(19, 28, 61);
/* oklch */ color: oklch(23.9% 0.064 269.6);
Tailwind
colors: {
  custom: {
    50: '#555773',
    500: '#131c3d',
    950: '#000000',
  },
}
SCSS
$custom: #131c3d;
$custom-light: #555773;
$custom-dark: #000000;
JSON
{
  "hex": "#131c3d",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 61
  },
  "hsl": {
    "h": 227.143,
    "s": 52.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.23855,
    "c": 0.06423,
    "h": 269.6
  },
  "luminance": 0.01306
}

Semantic roles & 50–950 ramp

primary
#131C3D
secondary
#756836
accent
#BD4CDC
background
#F5F5F6
surface
#E9E9EC
border
#C5C5C7
text
#030308
muted
#78787B

Preview Lab

Preview with #131C3D

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

Preview Lab → · Contrast checker → · Palette generator →

#131C3D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva