#133F53#133F53

#133F53 is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.8% C 0.059 H 231.8°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#133F53
RGB	rgb(19, 63, 83)
HSL	hsl(199, 63%, 20%)
HSV	hsv(199, 77%, 33%)
CMYK	cmyk(77.1%, 24.1%, 0%, 67.5%)
CIE-LAB	lab(24.69, -7.39, -16.39)
CIE-LCH	lch(24.69, 17.98, 245.74°)
OKLab	oklab(34.76% -0.0363 -0.046)
OKLCH	oklch(34.76% 0.059 231.8)
XYZ	xyz(3.6068, 4.3176, 8.8252)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133F53 #532713

analogous

#135347 #133F53 #131F53

triadic

#133F53 #53133F #3F5313

tetradic

#133F53 #471353 #532713 #1F5313

square

#133F53 #471353 #532713 #1F5313

split-complementary

#133F53 #53131F #534713

monochromatic

#061319 #081921 #133F53 #1E6585 #2A8BB7

Accessibility & contrast

On white

11.27

#133F53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#133F53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F53

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133F53	#FFFFFF	#000000	##FFFFFF
##133F53	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353E54

Deuteranopia (green-blind)

#2C3853

Tritanopia (blue-blind)

#004446

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #133f53;
/* rgb */ color: rgb(19, 63, 83);
/* oklch */ color: oklch(34.8% 0.059 231.8);

Tailwind

colors: {
  custom: {
    50: '#5b7483',
    500: '#133f53',
    950: '#000000',
  },
}

SCSS

$custom: #133f53;
$custom-light: #5b7483;
$custom-dark: #000000;

JSON

{
  "hex": "#133f53",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 83
  },
  "hsl": {
    "h": 198.75,
    "s": 62.745,
    "l": 20
  },
  "oklch": {
    "l": 0.34761,
    "c": 0.05859,
    "h": 231.8
  },
  "luminance": 0.04318
}

Semantic roles & 50–950 ramp

primary

#133F53

secondary

#8B5136

accent

#7542E6

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080A

muted

#797B7C

Preview Lab

Preview with #133F53

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

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