#133681#133681

#133681 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 35.8% C 0.133 H 262.8°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX#133681
RGBrgb(19, 54, 129)
HSLhsl(221, 74%, 29%)
HSVhsv(221, 85%, 51%)
CMYKcmyk(85.3%, 58.1%, 0%, 49.4%)
CIE-LABlab(24.83, 17.97, -45.73)
CIE-LCHlch(24.83, 49.13, 291.45°)
OKLaboklab(35.84% -0.0168 -0.1321)
OKLCHoklch(35.84% 0.133 262.8)
XYZxyz(5.5487, 4.3611, 21.3139)
Luminance0.0436 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#133681 #815E13
analogous
#136D81 #133681 #271381
triadic
#133681 #811336 #368113
tetradic
#133681 #81136D #815E13 #138127
square
#133681 #81136D #815E13 #138127
split-complementary
#133681 #812713 #6D8113
monochromatic
#040B1B #0B204C #133681 #1B4CB6 #2E67E0

Accessibility & contrast

On white

11.22
#133681 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.87
#133681 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133681
11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##133681#FFFFFF#000000##FFFFFF
##1336811.0011.221.8711.22
#FFFFFF11.221.0021.001.00
#0000001.8721.001.0021.00
##FFFFFF11.221.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004084
Deuteranopia (green-blind)
#003680
Tritanopia (blue-blind)
#004956
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #133681;
/* rgb */ color: rgb(19, 54, 129);
/* oklch */ color: oklch(35.8% 0.133 262.8);
Tailwind
colors: {
  custom: {
    50: '#666ca6',
    500: '#133681',
    950: '#000000',
  },
}
SCSS
$custom: #133681;
$custom-light: #666ca6;
$custom-dark: #000000;
JSON
{
  "hex": "#133681",
  "rgb": {
    "r": 19,
    "g": 54,
    "b": 129
  },
  "hsl": {
    "h": 220.909,
    "s": 74.324,
    "l": 29.02
  },
  "oklch": {
    "l": 0.35836,
    "c": 0.13315,
    "h": 262.8
  },
  "luminance": 0.04362
}

Semantic roles & 50–950 ramp

primary
#133681
secondary
#B68F3A
accent
#B637F1
background
#F6F6FA
surface
#EBEBF4
border
#C6C6CE
text
#07060F
muted
#7A7A7F

Preview Lab

Preview with #133681

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

Preview Lab → · Contrast checker → · Palette generator →

#133681 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva