#133E4A#133E4A

#133E4A is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.0% C 0.051 H 219.7°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#133E4A
RGB	rgb(19, 62, 74)
HSL	hsl(193, 59%, 18%)
HSV	hsv(193, 74%, 29%)
CMYK	cmyk(74.3%, 16.2%, 0%, 71%)
CIE-LAB	lab(23.93, -10.20, -11.64)
CIE-LCH	lch(23.93, 15.48, 228.77°)
OKLab	oklab(34.01% -0.039 -0.0324)
OKLCH	oklch(34.01% 0.051 219.7)
XYZ	xyz(3.2267, 4.0778, 7.0943)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133E4A #4A1F13

analogous

#134A3A #133E4A #13224A

triadic

#133E4A #4A133E #3E4A13

tetradic

#133E4A #3A134A #4A1F13 #224A13

square

#133E4A #3A134A #4A1F13 #224A13

split-complementary

#133E4A #4A1322 #4A3A13

monochromatic

#061418 #061519 #133E4A #20677B #2C90AB

Accessibility & contrast

On white

11.57

#133E4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#133E4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133E4A

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133E4A	#FFFFFF	#000000	##FFFFFF
##133E4A	1.00	11.57	1.82	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373C4B

Deuteranopia (green-blind)

#2F364A

Tritanopia (blue-blind)

#004242

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #133e4a;
/* rgb */ color: rgb(19, 62, 74);
/* oklch */ color: oklch(34.0% 0.051 219.7);

Tailwind

colors: {
  custom: {
    50: '#59737c',
    500: '#133e4a',
    950: '#000000',
  },
}

SCSS

$custom: #133e4a;
$custom-light: #59737c;
$custom-dark: #000000;

JSON

{
  "hex": "#133e4a",
  "rgb": {
    "r": 19,
    "g": 62,
    "b": 74
  },
  "hsl": {
    "h": 193.091,
    "s": 59.14,
    "l": 18.235
  },
  "oklch": {
    "l": 0.34009,
    "c": 0.05076,
    "h": 219.7
  },
  "luminance": 0.04078
}

Semantic roles & 50–950 ramp

primary

#133E4A

secondary

#834736

accent

#6845E2

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #133E4A

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

Preview Lab → · Contrast checker → · Palette generator →