#133B4A#133B4A

#133B4A is a dark, muted cyan. Relative luminance 0.038; OKLCH L 33.2% C 0.051 H 226.4°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#133B4A
RGB	rgb(19, 59, 74)
HSL	hsl(196, 59%, 18%)
HSV	hsv(196, 74%, 29%)
CMYK	cmyk(74.3%, 20.3%, 0%, 71%)
CIE-LAB	lab(22.86, -8.31, -13.27)
CIE-LCH	lch(22.86, 15.66, 237.94°)
OKLab	oklab(33.16% -0.0353 -0.0371)
OKLCH	oklch(33.16% 0.051 226.4)
XYZ	xyz(3.0681, 3.7605, 7.0414)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133B4A #4A2213

analogous

#134A3D #133B4A #131F4A

triadic

#133B4A #4A133B #3B4A13

tetradic

#133B4A #3D134A #4A2213 #1F4A13

square

#133B4A #3D134A #4A2213 #1F4A13

split-complementary

#133B4A #4A131F #4A3D13

monochromatic

#061318 #061419 #133B4A #20627B #2C89AB

Accessibility & contrast

On white

11.98

#133B4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#133B4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133B4A

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133B4A	#FFFFFF	#000000	##FFFFFF
##133B4A	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333A4B

Deuteranopia (green-blind)

#2B344A

Tritanopia (blue-blind)

#003F40

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #133b4a;
/* rgb */ color: rgb(19, 59, 74);
/* oklch */ color: oklch(33.2% 0.051 226.4);

Tailwind

colors: {
  custom: {
    50: '#59717c',
    500: '#133b4a',
    950: '#000000',
  },
}

SCSS

$custom: #133b4a;
$custom-light: #59717c;
$custom-dark: #000000;

JSON

{
  "hex": "#133b4a",
  "rgb": {
    "r": 19,
    "g": 59,
    "b": 74
  },
  "hsl": {
    "h": 196.364,
    "s": 59.14,
    "l": 18.235
  },
  "oklch": {
    "l": 0.33158,
    "c": 0.05125,
    "h": 226.4
  },
  "luminance": 0.03761
}

Semantic roles & 50–950 ramp

primary

#133B4A

secondary

#834B36

accent

#7045E2

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040709

muted

#797A7B

Preview Lab

Preview with #133B4A

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

Preview Lab → · Contrast checker → · Palette generator →