#131F44#131F44

#131F44 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.2% C 0.072 H 267.6°. Best body text is #FFFFFF at 16.06:1 contrast (WCAG AA passes).

Color values

HEX#131F44
RGBrgb(19, 31, 68)
HSLhsl(225, 56%, 17%)
HSVhsv(225, 72%, 27%)
CMYKcmyk(72.1%, 54.4%, 0%, 73.3%)
CIE-LABlab(12.83, 9.04, -24.97)
CIE-LCHlch(12.83, 26.56, 289.89°)
OKLaboklab(25.18% -0.0031 -0.0715)
OKLCHoklch(25.18% 0.072 267.6)
XYZxyz(1.8016, 1.5356, 5.6692)
Luminance0.0154 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#131F44 #443813
analogous
#133844 #131F44 #201344
triadic
#131F44 #44131F #1F4413
tetradic
#131F44 #441338 #443813 #134420
square
#131F44 #441338 #443813 #134420
split-complementary
#131F44 #442013 #384413
monochromatic
#070B18 #070B18 #131F44 #203574 #2E4BA4

Accessibility & contrast

On white

16.06
#131F44 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.31
#131F44 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131F44
16.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##131F44#FFFFFF#000000##FFFFFF
##131F441.0016.061.3116.06
#FFFFFF16.061.0021.001.00
#0000001.3121.001.0021.00
##FFFFFF16.061.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0C2445
Deuteranopia (green-blind)
#031F43
Tritanopia (blue-blind)
#00282E
Achromatopsia (no color)
#212121

Design tokens & code

CSS
--color: #131f44;
/* rgb */ color: rgb(19, 31, 68);
/* oklch */ color: oklch(25.2% 0.072 267.6);
Tailwind
colors: {
  custom: {
    50: '#575a78',
    500: '#131f44',
    950: '#000000',
  },
}
SCSS
$custom: #131f44;
$custom-light: #575a78;
$custom-dark: #000000;
JSON
{
  "hex": "#131f44",
  "rgb": {
    "r": 19,
    "g": 31,
    "b": 68
  },
  "hsl": {
    "h": 225.306,
    "s": 56.322,
    "l": 17.059
  },
  "oklch": {
    "l": 0.25181,
    "c": 0.07155,
    "h": 267.6
  },
  "luminance": 0.01536
}

Semantic roles & 50–950 ramp

primary
#131F44
secondary
#7D6B36
accent
#BB48E0
background
#F5F5F7
surface
#E9E9ED
border
#C5C5C8
text
#030309
muted
#78787B

Preview Lab

Preview with #131F44

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

Preview Lab → · Contrast checker → · Palette generator →

#131F44 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva