#133740#133740

#133740 is a dark, muted cyan. Relative luminance 0.032; OKLCH L 31.5% C 0.044 H 216.9°. Best body text is #FFFFFF at 12.74:1 contrast (WCAG AA passes).

Color values

HEX#133740
RGBrgb(19, 55, 64)
HSLhsl(192, 54%, 16%)
HSVhsv(192, 70%, 25%)
CMYKcmyk(70.3%, 14.1%, 0%, 74.9%)
CIE-LABlab(20.98, -9.54, -9.44)
CIE-LCHlch(20.98, 13.42, 224.72°)
OKLaboklab(31.5% -0.0349 -0.0262)
OKLCHoklch(31.5% 0.044 216.9)
XYZxyz(2.5598, 3.2407, 5.3401)
Luminance0.0324 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#133740 #401C13
analogous
#134033 #133740 #132140
triadic
#133740 #401337 #374013
tetradic
#133740 #331340 #401C13 #214013
square
#133740 #331340 #401C13 #214013
split-complementary
#133740 #401321 #403313
monochromatic
#071418 #071418 #133740 #21606F #2F889E

Accessibility & contrast

On white

12.74
#133740 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.65
#133740 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133740
12.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##133740#FFFFFF#000000##FFFFFF
##1337401.0012.741.6512.74
#FFFFFF12.741.0021.001.00
#0000001.6521.001.0021.00
##FFFFFF12.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#313541
Deuteranopia (green-blind)
#2A3040
Tritanopia (blue-blind)
#003A3A
Achromatopsia (no color)
#323232

Design tokens & code

CSS
--color: #133740;
/* rgb */ color: rgb(19, 55, 64);
/* oklch */ color: oklch(31.5% 0.044 216.9);
Tailwind
colors: {
  custom: {
    50: '#576d74',
    500: '#133740',
    950: '#000000',
  },
}
SCSS
$custom: #133740;
$custom-light: #576d74;
$custom-dark: #000000;
JSON
{
  "hex": "#133740",
  "rgb": {
    "r": 19,
    "g": 55,
    "b": 64
  },
  "hsl": {
    "h": 192,
    "s": 54.217,
    "l": 16.275
  },
  "oklch": {
    "l": 0.31504,
    "c": 0.04368,
    "h": 216.9
  },
  "luminance": 0.03241
}

Semantic roles & 50–950 ramp

primary
#133740
secondary
#794336
accent
#684ADE
background
#F5F6F7
surface
#E9EBED
border
#C5C6C8
text
#030708
muted
#787A7B

Preview Lab

Preview with #133740

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

Preview Lab → · Contrast checker → · Palette generator →

#133740 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva