#131B90#131B90

#131B90 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.6% C 0.184 H 268.1°. Best body text is #FFFFFF at 13.23:1 contrast (WCAG AA passes).

Color values

HEX#131B90
RGBrgb(19, 27, 144)
HSLhsl(236, 77%, 32%)
HSVhsv(236, 87%, 56%)
CMYKcmyk(86.8%, 81.3%, 0%, 43.5%)
CIE-LABlab(19.78, 41.39, -63.41)
CIE-LCHlch(19.78, 75.72, 303.14°)
OKLaboklab(32.61% -0.0062 -0.1837)
OKLCHoklch(32.61% 0.184 268.1)
XYZxyz(5.6928, 2.9352, 26.6467)
Luminance0.0294 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#131B90 #908813
analogous
#135A90 #131B90 #4A1390
triadic
#131B90 #90131B #1B9013
tetradic
#131B90 #90135A #908813 #13904A
square
#131B90 #90135A #908813 #13904A
split-complementary
#131B90 #904A13 #5A9013
monochromatic
#050724 #0C115A #131B90 #1A25C6 #3944E5

Accessibility & contrast

On white

13.23
#131B90 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.59
#131B90 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131B90
13.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##131B90#FFFFFF#000000##FFFFFF
##131B901.0013.231.5913.23
#FFFFFF13.231.0021.001.00
#0000001.5921.001.0021.00
##FFFFFF13.231.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003693
Deuteranopia (green-blind)
#00298E
Tritanopia (blue-blind)
#004056
Achromatopsia (no color)
#303030

Design tokens & code

CSS
--color: #131b90;
/* rgb */ color: rgb(19, 27, 144);
/* oklch */ color: oklch(32.6% 0.184 268.1);
Tailwind
colors: {
  custom: {
    50: '#6d5ab2',
    500: '#131b90',
    950: '#000000',
  },
}
SCSS
$custom: #131b90;
$custom-light: #6d5ab2;
$custom-dark: #000000;
JSON
{
  "hex": "#131b90",
  "rgb": {
    "r": 19,
    "g": 27,
    "b": 144
  },
  "hsl": {
    "h": 236.16,
    "s": 76.687,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32613,
    "c": 0.18382,
    "h": 268.1
  },
  "luminance": 0.02936
}

Semantic roles & 50–950 ramp

primary
#131B90
secondary
#C4BB3B
accent
#E735F3
background
#F7F5FB
surface
#EDE9F6
border
#C8C5D0
text
#090411
muted
#7B7980

Preview Lab

Preview with #131B90

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

Preview Lab → · Contrast checker → · Palette generator →

#131B90 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva