#131D66#131D66

#131D66 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.0% C 0.127 H 269.6°. Best body text is #FFFFFF at 15.05:1 contrast (WCAG AA passes).

Color values

HEX#131D66
RGBrgb(19, 29, 102)
HSLhsl(233, 69%, 24%)
HSVhsv(233, 81%, 40%)
CMYKcmyk(81.4%, 71.6%, 0%, 60%)
CIE-LABlab(15.36, 24.67, -43.87)
CIE-LCHlch(15.36, 50.33, 299.35°)
OKLaboklab(28.03% -0.0009 -0.127)
OKLCHoklch(28.03% 0.127 269.6)
XYZxyz(3.1054, 1.9761, 12.7856)
Luminance0.0198 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#131D66 #665C13
analogous
#134666 #131D66 #321366
triadic
#131D66 #66131D #1D6613
tetradic
#131D66 #661346 #665C13 #136632
square
#131D66 #661346 #665C13 #136632
split-complementary
#131D66 #663213 #466613
monochromatic
#05071A #090E32 #131D66 #1D2C9A #263ACD

Accessibility & contrast

On white

15.05
#131D66 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.40
#131D66 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D66
15.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##131D66#FFFFFF#000000##FFFFFF
##131D661.0015.051.4015.05
#FFFFFF15.051.0021.001.00
#0000001.4021.001.0021.00
##FFFFFF15.051.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002A68
Deuteranopia (green-blind)
#002265
Tritanopia (blue-blind)
#00313E
Achromatopsia (no color)
#262626

Design tokens & code

CSS
--color: #131d66;
/* rgb */ color: rgb(19, 29, 102);
/* oklch */ color: oklch(28.0% 0.127 269.6);
Tailwind
colors: {
  custom: {
    50: '#615992',
    500: '#131d66',
    950: '#000000',
  },
}
SCSS
$custom: #131d66;
$custom-light: #615992;
$custom-dark: #000000;
JSON
{
  "hex": "#131d66",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 102
  },
  "hsl": {
    "h": 232.771,
    "s": 68.595,
    "l": 23.725
  },
  "oklch": {
    "l": 0.2803,
    "c": 0.12697,
    "h": 269.6
  },
  "luminance": 0.01976
}

Semantic roles & 50–950 ramp

primary
#131D66
secondary
#9D9137
accent
#D63CEB
background
#F6F5F9
surface
#EBE9F1
border
#C6C5CB
text
#06030D
muted
#7A787E

Preview Lab

Preview with #131D66

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

Preview Lab → · Contrast checker → · Palette generator →

#131D66 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva