#131B75#131B75

#131B75 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.4% C 0.150 H 269.3°. Best body text is #FFFFFF at 14.57:1 contrast (WCAG AA passes).

Color values

HEX#131B75
RGBrgb(19, 27, 117)
HSLhsl(235, 72%, 27%)
HSVhsv(235, 84%, 46%)
CMYKcmyk(83.8%, 76.9%, 0%, 54.1%)
CIE-LABlab(16.53, 31.78, -51.70)
CIE-LCHlch(16.53, 60.69, 301.58°)
OKLaboklab(29.37% -0.0018 -0.1498)
OKLCHoklch(29.37% 0.15 269.3)
XYZxyz(3.8703, 2.2062, 17.0480)
Luminance0.0221 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#131B75 #756D13
analogous
#134C75 #131B75 #3C1375
triadic
#131B75 #75131B #1B7513
tetradic
#131B75 #75134C #756D13 #13753C
square
#131B75 #75134C #756D13 #13753C
split-complementary
#131B75 #753C13 #4C7513
monochromatic
#04061A #0A0F40 #131B75 #1C27AA #2735DC

Accessibility & contrast

On white

14.57
#131B75 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.44
#131B75 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131B75
14.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##131B75#FFFFFF#000000##FFFFFF
##131B751.0014.571.4414.57
#FFFFFF14.571.0021.001.00
#0000001.4421.001.0021.00
##FFFFFF14.571.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002E78
Deuteranopia (green-blind)
#002473
Tritanopia (blue-blind)
#003546
Achromatopsia (no color)
#292929

Design tokens & code

CSS
--color: #131b75;
/* rgb */ color: rgb(19, 27, 117);
/* oklch */ color: oklch(29.4% 0.150 269.3);
Tailwind
colors: {
  custom: {
    50: '#65589e',
    500: '#131b75',
    950: '#000000',
  },
}
SCSS
$custom: #131b75;
$custom-light: #65589e;
$custom-dark: #000000;
JSON
{
  "hex": "#131b75",
  "rgb": {
    "r": 19,
    "g": 27,
    "b": 117
  },
  "hsl": {
    "h": 235.102,
    "s": 72.059,
    "l": 26.667
  },
  "oklch": {
    "l": 0.29371,
    "c": 0.1498,
    "h": 269.3
  },
  "luminance": 0.02207
}

Semantic roles & 50–950 ramp

primary
#131B75
secondary
#ABA238
accent
#E039EF
background
#F6F5F9
surface
#EBE9F2
border
#C6C5CC
text
#07030E
muted
#7A787E

Preview Lab

Preview with #131B75

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

Preview Lab → · Contrast checker → · Palette generator →

#131B75 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva