#133E5A#133E5A

#133E5A is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.9% C 0.068 H 241.3°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#133E5A
RGB	rgb(19, 62, 90)
HSL	hsl(204, 65%, 21%)
HSV	hsv(204, 79%, 35%)
CMYK	cmyk(78.9%, 31.1%, 0%, 64.7%)
CIE-LAB	lab(24.71, -3.95, -20.95)
CIE-LCH	lch(24.71, 21.32, 259.31°)
OKLab	oklab(34.89% -0.0324 -0.0592)
OKLCH	oklch(34.89% 0.068 241.3)
XYZ	xyz(3.8359, 4.3214, 10.3028)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133E5A #5A2F13

analogous

#135A53 #133E5A #131B5A

triadic

#133E5A #5A133E #3E5A13

tetradic

#133E5A #53135A #5A2F13 #1B5A13

square

#133E5A #53135A #5A2F13 #1B5A13

split-complementary

#133E5A #5A131B #5A5313

monochromatic

#051119 #081B27 #133E5A #1E618D #2884BF

Accessibility & contrast

On white

11.26

#133E5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#133E5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133E5A

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133E5A	#FFFFFF	#000000	##FFFFFF
##133E5A	1.00	11.26	1.86	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313E5B

Deuteranopia (green-blind)

#273859

Tritanopia (blue-blind)

#004548

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #133e5a;
/* rgb */ color: rgb(19, 62, 90);
/* oklch */ color: oklch(34.9% 0.068 241.3);

Tailwind

colors: {
  custom: {
    50: '#5c7389',
    500: '#133e5a',
    950: '#000000',
  },
}

SCSS

$custom: #133e5a;
$custom-light: #5c7389;
$custom-dark: #000000;

JSON

{
  "hex": "#133e5a",
  "rgb": {
    "r": 19,
    "g": 62,
    "b": 90
  },
  "hsl": {
    "h": 203.662,
    "s": 65.138,
    "l": 21.373
  },
  "oklch": {
    "l": 0.34888,
    "c": 0.06751,
    "h": 241.3
  },
  "luminance": 0.04322
}

Semantic roles & 50–950 ramp

primary

#133E5A

secondary

#925B37

accent

#8240E8

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#04080B

muted

#797B7C

Preview Lab

Preview with #133E5A

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

Preview Lab → · Contrast checker → · Palette generator →