#131C41#131C41

#131C41 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.2% C 0.071 H 270.1°. Best body text is #FFFFFF at 16.53:1 contrast (WCAG AA passes).

Color values

HEX#131C41
RGBrgb(19, 28, 65)
HSLhsl(228, 55%, 16%)
HSVhsv(228, 71%, 25%)
CMYKcmyk(70.8%, 56.9%, 0%, 74.5%)
CIE-LABlab(11.62, 10.07, -24.82)
CIE-LCHlch(11.62, 26.78, 292.09°)
OKLaboklab(24.19% 0.0001 -0.0711)
OKLCHoklch(24.19% 0.071 270.1)
XYZxyz(1.6376, 1.3505, 5.1744)
Luminance0.0135 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#131C41 #413813
analogous
#133341 #131C41 #211341
triadic
#131C41 #41131C #1C4113
tetradic
#131C41 #411333 #413813 #134121
square
#131C41 #411333 #413813 #134121
split-complementary
#131C41 #412113 #334113
monochromatic
#070A18 #070A18 #131C41 #213070 #2F45A0

Accessibility & contrast

On white

16.53
#131C41 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.27
#131C41 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131C41
16.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##131C41#FFFFFF#000000##FFFFFF
##131C411.0016.531.2716.53
#FFFFFF16.531.0021.001.00
#0000001.2721.001.0021.00
##FFFFFF16.531.0021.001.00

Color blindness preview

Protanopia (red-blind)
#082142
Deuteranopia (green-blind)
#011D40
Tritanopia (blue-blind)
#00252B
Achromatopsia (no color)
#1F1F1F

Design tokens & code

CSS
--color: #131c41;
/* rgb */ color: rgb(19, 28, 65);
/* oklch */ color: oklch(24.2% 0.071 270.1);
Tailwind
colors: {
  custom: {
    50: '#565776',
    500: '#131c41',
    950: '#000000',
  },
}
SCSS
$custom: #131c41;
$custom-light: #565776;
$custom-dark: #000000;
JSON
{
  "hex": "#131c41",
  "rgb": {
    "r": 19,
    "g": 28,
    "b": 65
  },
  "hsl": {
    "h": 228.261,
    "s": 54.762,
    "l": 16.471
  },
  "oklch": {
    "l": 0.24188,
    "c": 0.07107,
    "h": 270.1
  },
  "luminance": 0.01351
}

Semantic roles & 50–950 ramp

primary
#131C41
secondary
#7A6C36
accent
#C14ADE
background
#F5F5F7
surface
#E9E9ED
border
#C5C5C8
text
#030308
muted
#78787B

Preview Lab

Preview with #131C41

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

Preview Lab → · Contrast checker → · Palette generator →

#131C41 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva