#133A71#133A71

#133A71 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.4% C 0.105 H 257.9°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX#133A71
RGBrgb(19, 58, 113)
HSLhsl(215, 71%, 26%)
HSVhsv(215, 83%, 44%)
CMYKcmyk(83.2%, 48.7%, 0%, 55.7%)
CIE-LABlab(24.82, 8.39, -35.63)
CIE-LCHlch(24.82, 36.60, 283.25°)
OKLaboklab(35.44% -0.022 -0.1023)
OKLCHoklch(35.44% 0.105 257.9)
XYZxyz(4.7612, 4.3562, 16.2095)
Luminance0.0436 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#133A71 #714A13
analogous
#136971 #133A71 #1B1371
triadic
#133A71 #71133A #3A7113
tetradic
#133A71 #711369 #714A13 #13711B
square
#133A71 #711369 #714A13 #13711B
split-complementary
#133A71 #711B13 #697113
monochromatic
#040D1A #0A1F3D #133A71 #1C55A5 #2570DA

Accessibility & contrast

On white

11.22
#133A71 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.87
#133A71 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133A71
11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##133A71#FFFFFF#000000##FFFFFF
##133A711.0011.221.8711.22
#FFFFFF11.221.0021.001.00
#0000001.8721.001.0021.00
##FFFFFF11.221.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1C3F73
Deuteranopia (green-blind)
#043770
Tritanopia (blue-blind)
#004750
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #133a71;
/* rgb */ color: rgb(19, 58, 113);
/* oklch */ color: oklch(35.4% 0.105 257.9);
Tailwind
colors: {
  custom: {
    50: '#616f9a',
    500: '#133a71',
    950: '#000000',
  },
}
SCSS
$custom: #133a71;
$custom-light: #616f9a;
$custom-dark: #000000;
JSON
{
  "hex": "#133a71",
  "rgb": {
    "r": 19,
    "g": 58,
    "b": 113
  },
  "hsl": {
    "h": 215.106,
    "s": 71.212,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35436,
    "c": 0.10463,
    "h": 257.9
  },
  "luminance": 0.04357
}

Semantic roles & 50–950 ramp

primary
#133A71
secondary
#A87938
accent
#A33AEE
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070E
muted
#7A7A7E

Preview Lab

Preview with #133A71

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

Preview Lab → · Contrast checker → · Palette generator →

#133A71 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva