#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
RGB	rgb(19, 55, 64)
HSL	hsl(192, 54%, 16%)
HSV	hsv(192, 70%, 25%)
CMYK	cmyk(70.3%, 14.1%, 0%, 74.9%)
CIE-LAB	lab(20.98, -9.54, -9.44)
CIE-LCH	lch(20.98, 13.42, 224.72°)
OKLab	oklab(31.5% -0.0349 -0.0262)
OKLCH	oklch(31.5% 0.044 216.9)
XYZ	xyz(2.5598, 3.2407, 5.3401)
Luminance	0.0324 (WCAG relative)
Temperature	cool
Family	cyan

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
##133740	1.00	12.74	1.65	12.74
#FFFFFF	12.74	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.74	1.00	21.00	1.00

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 →