#133D53#133D53

#133D53 is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.2% C 0.060 H 235.4°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#133D53
RGB	rgb(19, 61, 83)
HSL	hsl(201, 63%, 20%)
HSV	hsv(201, 77%, 33%)
CMYK	cmyk(77.1%, 26.5%, 0%, 67.5%)
CIE-LAB	lab(24.00, -6.10, -17.47)
CIE-LCH	lch(24.00, 18.50, 250.76°)
OKLab	oklab(34.21% -0.0339 -0.0491)
OKLCH	oklch(34.21% 0.06 235.4)
XYZ	xyz(3.4980, 4.1001, 8.7890)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133D53 #532913

analogous

#135349 #133D53 #131D53

triadic

#133D53 #53133D #3D5313

tetradic

#133D53 #491353 #532913 #1D5313

square

#133D53 #491353 #532913 #1D5313

split-complementary

#133D53 #53131D #534913

monochromatic

#061219 #081821 #133D53 #1E6285 #2A86B7

Accessibility & contrast

On white

11.54

#133D53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#133D53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133D53

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133D53	#FFFFFF	#000000	##FFFFFF
##133D53	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323D54

Deuteranopia (green-blind)

#2A3653

Tritanopia (blue-blind)

#004344

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #133d53;
/* rgb */ color: rgb(19, 61, 83);
/* oklch */ color: oklch(34.2% 0.060 235.4);

Tailwind

colors: {
  custom: {
    50: '#5a7283',
    500: '#133d53',
    950: '#000000',
  },
}

SCSS

$custom: #133d53;
$custom-light: #5a7283;
$custom-dark: #000000;

JSON

{
  "hex": "#133d53",
  "rgb": {
    "r": 19,
    "g": 61,
    "b": 83
  },
  "hsl": {
    "h": 200.625,
    "s": 62.745,
    "l": 20
  },
  "oklch": {
    "l": 0.34208,
    "c": 0.05973,
    "h": 235.4
  },
  "luminance": 0.041
}

Semantic roles & 50–950 ramp

primary

#133D53

secondary

#8B5436

accent

#7A42E6

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04080A

muted

#797B7C

Preview Lab

Preview with #133D53

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

Preview Lab → · Contrast checker → · Palette generator →