#133981#133981

#133981 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.5% C 0.129 H 261.6°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX#133981
RGBrgb(19, 57, 129)
HSLhsl(219, 74%, 29%)
HSVhsv(219, 85%, 51%)
CMYKcmyk(85.3%, 55.8%, 0%, 49.4%)
CIE-LABlab(25.71, 15.84, -44.30)
CIE-LCHlch(25.71, 47.05, 289.68°)
OKLaboklab(36.5% -0.0189 -0.1278)
OKLCHoklch(36.5% 0.129 261.6)
XYZxyz(5.6927, 4.6490, 21.3619)
Luminance0.0465 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#133981 #815B13
analogous
#137081 #133981 #241381
triadic
#133981 #811339 #398113
tetradic
#133981 #811370 #815B13 #138124
square
#133981 #811370 #815B13 #138124
split-complementary
#133981 #812413 #708113
monochromatic
#040C1B #0B214C #133981 #1B51B6 #2E6CE0

Accessibility & contrast

On white

10.88
#133981 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.93
#133981 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133981
10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##133981#FFFFFF#000000##FFFFFF
##1339811.0010.881.9310.88
#FFFFFF10.881.0021.001.00
#0000001.9321.001.0021.00
##FFFFFF10.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004284
Deuteranopia (green-blind)
#003880
Tritanopia (blue-blind)
#004B57
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #133981;
/* rgb */ color: rgb(19, 57, 129);
/* oklch */ color: oklch(36.5% 0.129 261.6);
Tailwind
colors: {
  custom: {
    50: '#666ea6',
    500: '#133981',
    950: '#000000',
  },
}
SCSS
$custom: #133981;
$custom-light: #666ea6;
$custom-dark: #000000;
JSON
{
  "hex": "#133981",
  "rgb": {
    "r": 19,
    "g": 57,
    "b": 129
  },
  "hsl": {
    "h": 219.273,
    "s": 74.324,
    "l": 29.02
  },
  "oklch": {
    "l": 0.36502,
    "c": 0.12922,
    "h": 261.6
  },
  "luminance": 0.0465
}

Semantic roles & 50–950 ramp

primary
#133981
secondary
#B68B3A
accent
#B137F1
background
#F6F6FA
surface
#EBEBF4
border
#C6C6CE
text
#07070F
muted
#7A7A7F

Preview Lab

Preview with #133981

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

Preview Lab → · Contrast checker → · Palette generator →

#133981 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva