#133A52#133A52

#133A52 is a dark, moderate cyan. Relative luminance 0.038; OKLCH L 33.3% C 0.061 H 239.4°. Best body text is #FFFFFF at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#133A52
RGB	rgb(19, 58, 82)
HSL	hsl(203, 62%, 20%)
HSV	hsv(203, 77%, 32%)
CMYK	cmyk(76.8%, 29.3%, 0%, 67.8%)
CIE-LAB	lab(22.91, -4.52, -18.51)
CIE-LCH	lch(22.91, 19.06, 256.27°)
OKLab	oklab(33.32% -0.0308 -0.0522)
OKLCH	oklch(33.32% 0.061 239.4)
XYZ	xyz(3.3040, 3.7734, 8.5352)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133A52 #522B13

analogous

#13524B #133A52 #131B52

triadic

#133A52 #52133A #3A5213

tetradic

#133A52 #4B1352 #522B13 #1B5213

square

#133A52 #4B1352 #522B13 #1B5213

split-complementary

#133A52 #52131B #524B13

monochromatic

#061219 #071720 #133A52 #1F5D84 #2A80B5

Accessibility & contrast

On white

11.97

#133A52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#133A52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133A52

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133A52	#FFFFFF	#000000	##FFFFFF
##133A52	1.00	11.97	1.75	11.97
#FFFFFF	11.97	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3A53

Deuteranopia (green-blind)

#263452

Tritanopia (blue-blind)

#004042

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #133a52;
/* rgb */ color: rgb(19, 58, 82);
/* oklch */ color: oklch(33.3% 0.061 239.4);

Tailwind

colors: {
  custom: {
    50: '#5a7082',
    500: '#133a52',
    950: '#000000',
  },
}

SCSS

$custom: #133a52;
$custom-light: #5a7082;
$custom-dark: #000000;

JSON

{
  "hex": "#133a52",
  "rgb": {
    "r": 19,
    "g": 58,
    "b": 82
  },
  "hsl": {
    "h": 202.857,
    "s": 62.376,
    "l": 19.804
  },
  "oklch": {
    "l": 0.33324,
    "c": 0.06063,
    "h": 239.4
  },
  "luminance": 0.03774
}

Semantic roles & 50–950 ramp

primary

#133A52

secondary

#8A5636

accent

#8042E5

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070A

muted

#797A7C

Preview Lab

Preview with #133A52

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

Preview Lab → · Contrast checker → · Palette generator →