#131A3F#131A3F

#131A3F is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.5% C 0.071 H 271.8°. Best body text is #FFFFFF at 16.84:1 contrast (WCAG AA passes).

Color values

HEX#131A3F
RGBrgb(19, 26, 63)
HSLhsl(230, 54%, 16%)
HSVhsv(230, 70%, 25%)
CMYKcmyk(69.8%, 58.7%, 0%, 75.3%)
CIE-LABlab(10.82, 10.78, -24.70)
CIE-LCHlch(10.82, 26.95, 293.57°)
OKLaboklab(23.53% 0.0023 -0.0708)
OKLCHoklch(23.53% 0.071 271.8)
XYZxyz(1.5349, 1.2360, 4.8593)
Luminance0.0124 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#131A3F #3F3813
analogous
#13303F #131A3F #22133F
triadic
#131A3F #3F131A #1A3F13
tetradic
#131A3F #3F1330 #3F3813 #133F22
square
#131A3F #3F1330 #3F3813 #133F22
split-complementary
#131A3F #3F2213 #303F13
monochromatic
#070A18 #070A18 #131A3F #212D6E #2F419D

Accessibility & contrast

On white

16.84
#131A3F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.25
#131A3F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131A3F
16.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##131A3F#FFFFFF#000000##FFFFFF
##131A3F1.0016.841.2516.84
#FFFFFF16.841.0021.001.00
#0000001.2521.001.0021.00
##FFFFFF16.841.0021.001.00

Color blindness preview

Protanopia (red-blind)
#061F40
Deuteranopia (green-blind)
#001B3E
Tritanopia (blue-blind)
#002329
Achromatopsia (no color)
#1D1D1D

Design tokens & code

CSS
--color: #131a3f;
/* rgb */ color: rgb(19, 26, 63);
/* oklch */ color: oklch(23.5% 0.071 271.8);
Tailwind
colors: {
  custom: {
    50: '#565674',
    500: '#131a3f',
    950: '#000000',
  },
}
SCSS
$custom: #131a3f;
$custom-light: #565674;
$custom-dark: #000000;
JSON
{
  "hex": "#131a3f",
  "rgb": {
    "r": 19,
    "g": 26,
    "b": 63
  },
  "hsl": {
    "h": 230.455,
    "s": 53.659,
    "l": 16.078
  },
  "oklch": {
    "l": 0.23529,
    "c": 0.07081,
    "h": 271.8
  },
  "luminance": 0.01236
}

Semantic roles & 50–950 ramp

primary
#131A3F
secondary
#786D36
accent
#C64BDD
background
#F5F5F7
surface
#E9E8ED
border
#C5C4C8
text
#030308
muted
#78787B

Preview Lab

Preview with #131A3F

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

Preview Lab → · Contrast checker → · Palette generator →

#131A3F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva