#131E39#131E39

#131E39 is a very dark, muted blue. Relative luminance 0.014; OKLCH L 24.1% C 0.054 H 265.8°. Best body text is #FFFFFF at 16.50:1 contrast (WCAG AA passes).

Color values

HEX#131E39
RGBrgb(19, 30, 57)
HSLhsl(223, 50%, 15%)
HSVhsv(223, 67%, 22%)
CMYKcmyk(66.7%, 47.4%, 0%, 77.6%)
CIE-LABlab(11.70, 5.19, -19.03)
CIE-LCHlch(11.70, 19.72, 285.26°)
OKLaboklab(24.06% -0.004 -0.054)
OKLCHoklch(24.06% 0.054 265.8)
XYZxyz(1.4711, 1.3623, 4.0555)
Luminance0.0136 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#131E39 #392E13
analogous
#133139 #131E39 #1B1339
triadic
#131E39 #39131E #1E3913
tetradic
#131E39 #391331 #392E13 #13391B
square
#131E39 #391331 #392E13 #13391B
split-complementary
#131E39 #391B13 #313913
monochromatic
#080C17 #080C17 #131E39 #223667 #324E95

Accessibility & contrast

On white

16.50
#131E39 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.27
#131E39 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131E39
16.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##131E39#FFFFFF#000000##FFFFFF
##131E391.0016.501.2716.50
#FFFFFF16.501.0021.001.00
#0000001.2721.001.0021.00
##FFFFFF16.501.0021.001.00

Color blindness preview

Protanopia (red-blind)
#12213A
Deuteranopia (green-blind)
#0E1D38
Tritanopia (blue-blind)
#002428
Achromatopsia (no color)
#1F1F1F

Design tokens & code

CSS
--color: #131e39;
/* rgb */ color: rgb(19, 30, 57);
/* oklch */ color: oklch(24.1% 0.054 265.8);
Tailwind
colors: {
  custom: {
    50: '#54596f',
    500: '#131e39',
    950: '#000000',
  },
}
SCSS
$custom: #131e39;
$custom-light: #54596f;
$custom-dark: #000000;
JSON
{
  "hex": "#131e39",
  "rgb": {
    "r": 19,
    "g": 30,
    "b": 57
  },
  "hsl": {
    "h": 222.632,
    "s": 50,
    "l": 14.902
  },
  "oklch": {
    "l": 0.2406,
    "c": 0.05419,
    "h": 265.8
  },
  "luminance": 0.01362
}

Semantic roles & 50–950 ramp

primary
#131E39
secondary
#716037
accent
#B14EDA
background
#F5F5F6
surface
#E9E9EC
border
#C5C5C7
text
#030307
muted
#78787A

Preview Lab

Preview with #131E39

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

Preview Lab → · Contrast checker → · Palette generator →

#131E39 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva