#133781#133781

#133781 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.1% C 0.132 H 262.4°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX#133781
RGBrgb(19, 55, 129)
HSLhsl(220, 74%, 29%)
HSVhsv(220, 85%, 51%)
CMYKcmyk(85.3%, 57.4%, 0%, 49.4%)
CIE-LABlab(25.12, 17.26, -45.25)
CIE-LCHlch(25.12, 48.43, 290.88°)
OKLaboklab(36.06% -0.0175 -0.1307)
OKLCHoklch(36.06% 0.132 262.4)
XYZxyz(5.5958, 4.4551, 21.3296)
Luminance0.0446 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#133781 #815D13
analogous
#136E81 #133781 #261381
triadic
#133781 #811337 #378113
tetradic
#133781 #81136E #815D13 #138126
square
#133781 #81136E #815D13 #138126
split-complementary
#133781 #812613 #6E8113
monochromatic
#040B1B #0B204C #133781 #1B4EB6 #2E68E0

Accessibility & contrast

On white

11.10
#133781 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.89
#133781 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133781
11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##133781#FFFFFF#000000##FFFFFF
##1337811.0011.101.8911.10
#FFFFFF11.101.0021.001.00
#0000001.8921.001.0021.00
##FFFFFF11.101.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004184
Deuteranopia (green-blind)
#003780
Tritanopia (blue-blind)
#004956
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #133781;
/* rgb */ color: rgb(19, 55, 129);
/* oklch */ color: oklch(36.1% 0.132 262.4);
Tailwind
colors: {
  custom: {
    50: '#666da6',
    500: '#133781',
    950: '#000000',
  },
}
SCSS
$custom: #133781;
$custom-light: #666da6;
$custom-dark: #000000;
JSON
{
  "hex": "#133781",
  "rgb": {
    "r": 19,
    "g": 55,
    "b": 129
  },
  "hsl": {
    "h": 220.364,
    "s": 74.324,
    "l": 29.02
  },
  "oklch": {
    "l": 0.36056,
    "c": 0.13184,
    "h": 262.4
  },
  "luminance": 0.04456
}

Semantic roles & 50–950 ramp

primary
#133781
secondary
#B68D3A
accent
#B437F1
background
#F6F6FA
surface
#EBEBF4
border
#C6C6CE
text
#07070F
muted
#7A7A7F

Preview Lab

Preview with #133781

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

Preview Lab → · Contrast checker → · Palette generator →

#133781 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva