#133A73#133A73

#133A73 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.6% C 0.108 H 258.4°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX#133A73
RGBrgb(19, 58, 115)
HSLhsl(216, 72%, 26%)
HSVhsv(216, 83%, 45%)
CMYKcmyk(83.5%, 49.6%, 0%, 54.9%)
CIE-LABlab(24.96, 9.23, -36.67)
CIE-LCHlch(24.96, 37.82, 284.13°)
OKLaboklab(35.59% -0.0216 -0.1054)
OKLCHoklch(35.59% 0.108 258.4)
XYZxyz(4.8750, 4.4018, 16.8090)
Luminance0.0440 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#133A73 #734C13
analogous
#136A73 #133A73 #1C1373
triadic
#133A73 #73133A #3A7313
tetradic
#133A73 #73136A #734C13 #13731C
square
#133A73 #73136A #734C13 #13731C
split-complementary
#133A73 #731C13 #6A7313
monochromatic
#040D1A #0A203E #133A73 #1C54A8 #256FDB

Accessibility & contrast

On white

11.17
#133A73 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.88
#133A73 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133A73
11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##133A73#FFFFFF#000000##FFFFFF
##133A731.0011.171.8811.17
#FFFFFF11.171.0021.001.00
#0000001.8821.001.0021.00
##FFFFFF11.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1A4075
Deuteranopia (green-blind)
#003772
Tritanopia (blue-blind)
#004851
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #133a73;
/* rgb */ color: rgb(19, 58, 115);
/* oklch */ color: oklch(35.6% 0.108 258.4);
Tailwind
colors: {
  custom: {
    50: '#626f9c',
    500: '#133a73',
    950: '#000000',
  },
}
SCSS
$custom: #133a73;
$custom-light: #626f9c;
$custom-dark: #000000;
JSON
{
  "hex": "#133a73",
  "rgb": {
    "r": 19,
    "g": 58,
    "b": 115
  },
  "hsl": {
    "h": 215.625,
    "s": 71.642,
    "l": 26.275
  },
  "oklch": {
    "l": 0.3559,
    "c": 0.10757,
    "h": 258.4
  },
  "luminance": 0.04402
}

Semantic roles & 50–950 ramp

primary
#133A73
secondary
#AA7C38
accent
#A539EE
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070E
muted
#7A7A7E

Preview Lab

Preview with #133A73

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

Preview Lab → · Contrast checker → · Palette generator →

#133A73 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva