#133D4A#133D4A

#133D4A is a dark, muted cyan. Relative luminance 0.040; OKLCH L 33.7% C 0.051 H 222.0°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#133D4A
RGB	rgb(19, 61, 74)
HSL	hsl(194, 59%, 18%)
HSV	hsv(194, 74%, 29%)
CMYK	cmyk(74.3%, 17.6%, 0%, 71%)
CIE-LAB	lab(23.57, -9.58, -12.18)
CIE-LCH	lch(23.57, 15.50, 231.83°)
OKLab	oklab(33.73% -0.0378 -0.034)
OKLCH	oklch(33.73% 0.051 222)
XYZ	xyz(3.1728, 3.9700, 7.0763)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133D4A #4A2013

analogous

#134A3B #133D4A #13214A

triadic

#133D4A #4A133D #3D4A13

tetradic

#133D4A #3B134A #4A2013 #214A13

square

#133D4A #3B134A #4A2013 #214A13

split-complementary

#133D4A #4A1321 #4A3B13

monochromatic

#061418 #061519 #133D4A #20657B #2C8DAB

Accessibility & contrast

On white

11.71

#133D4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#133D4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133D4A

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133D4A	#FFFFFF	#000000	##FFFFFF
##133D4A	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353B4B

Deuteranopia (green-blind)

#2E364A

Tritanopia (blue-blind)

#004141

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #133d4a;
/* rgb */ color: rgb(19, 61, 74);
/* oklch */ color: oklch(33.7% 0.051 222.0);

Tailwind

colors: {
  custom: {
    50: '#59727c',
    500: '#133d4a',
    950: '#000000',
  },
}

SCSS

$custom: #133d4a;
$custom-light: #59727c;
$custom-dark: #000000;

JSON

{
  "hex": "#133d4a",
  "rgb": {
    "r": 19,
    "g": 61,
    "b": 74
  },
  "hsl": {
    "h": 194.182,
    "s": 59.14,
    "l": 18.235
  },
  "oklch": {
    "l": 0.33725,
    "c": 0.05084,
    "h": 222
  },
  "luminance": 0.0397
}

Semantic roles & 50–950 ramp

primary

#133D4A

secondary

#834836

accent

#6B45E2

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #133D4A

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

Preview Lab → · Contrast checker → · Palette generator →