#131F3D#131F3D

#131F3D is a very dark, muted blue. Relative luminance 0.015; OKLCH L 24.6% C 0.060 H 265.8°. Best body text is #FFFFFF at 16.27:1 contrast (WCAG AA passes).

Color values

HEX#131F3D
RGBrgb(19, 31, 61)
HSLhsl(223, 53%, 16%)
HSVhsv(223, 69%, 24%)
CMYKcmyk(68.9%, 49.2%, 0%, 76.1%)
CIE-LABlab(12.32, 6.09, -20.88)
CIE-LCHlch(12.32, 21.75, 286.26°)
OKLaboklab(24.62% -0.0044 -0.0595)
OKLCHoklch(24.62% 0.06 265.8)
XYZxyz(1.6006, 1.4552, 4.6105)
Luminance0.0146 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#131F3D #3D3113
analogous
#13343D #131F3D #1C133D
triadic
#131F3D #3D131F #1F3D13
tetradic
#131F3D #3D1334 #3D3113 #133D1C
square
#131F3D #3D1334 #3D3113 #133D1C
split-complementary
#131F3D #3D1C13 #343D13
monochromatic
#070C17 #070C17 #131F3D #22376C #304E9A

Accessibility & contrast

On white

16.27
#131F3D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.29
#131F3D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131F3D
16.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##131F3D#FFFFFF#000000##FFFFFF
##131F3D1.0016.271.2916.27
#FFFFFF16.271.0021.001.00
#0000001.2921.001.0021.00
##FFFFFF16.271.0021.001.00

Color blindness preview

Protanopia (red-blind)
#12223E
Deuteranopia (green-blind)
#0C1E3C
Tritanopia (blue-blind)
#00262B
Achromatopsia (no color)
#202020

Design tokens & code

CSS
--color: #131f3d;
/* rgb */ color: rgb(19, 31, 61);
/* oklch */ color: oklch(24.6% 0.060 265.8);
Tailwind
colors: {
  custom: {
    50: '#555a72',
    500: '#131f3d',
    950: '#000000',
  },
}
SCSS
$custom: #131f3d;
$custom-light: #555a72;
$custom-dark: #000000;
JSON
{
  "hex": "#131f3d",
  "rgb": {
    "r": 19,
    "g": 31,
    "b": 61
  },
  "hsl": {
    "h": 222.857,
    "s": 52.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.24624,
    "c": 0.05963,
    "h": 265.8
  },
  "luminance": 0.01455
}

Semantic roles & 50–950 ramp

primary
#131F3D
secondary
#756336
accent
#B34CDC
background
#F5F5F6
surface
#E9E9EC
border
#C5C5C7
text
#030308
muted
#78787B

Preview Lab

Preview with #131F3D

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

Preview Lab → · Contrast checker → · Palette generator →

#131F3D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva