#133B52#133B52

#133B52 is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.6% C 0.060 H 237.7°. Best body text is #FFFFFF at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#133B52
RGB	rgb(19, 59, 82)
HSL	hsl(202, 62%, 20%)
HSV	hsv(202, 77%, 32%)
CMYK	cmyk(76.8%, 28%, 0%, 67.8%)
CIE-LAB	lab(23.25, -5.19, -17.97)
CIE-LCH	lch(23.25, 18.70, 253.91°)
OKLab	oklab(33.6% -0.032 -0.0506)
OKLCH	oklch(33.6% 0.06 237.7)
XYZ	xyz(3.3549, 3.8752, 8.5522)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133B52 #522A13

analogous

#13524A #133B52 #131B52

triadic

#133B52 #52133B #3B5213

tetradic

#133B52 #4A1352 #522A13 #1B5213

square

#133B52 #4A1352 #522A13 #1B5213

split-complementary

#133B52 #52131B #524A13

monochromatic

#061219 #071720 #133B52 #1F5F84 #2A83B5

Accessibility & contrast

On white

11.83

#133B52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#133B52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133B52

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133B52	#FFFFFF	#000000	##FFFFFF
##133B52	1.00	11.83	1.78	11.83
#FFFFFF	11.83	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303B53

Deuteranopia (green-blind)

#283552

Tritanopia (blue-blind)

#004143

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #133b52;
/* rgb */ color: rgb(19, 59, 82);
/* oklch */ color: oklch(33.6% 0.060 237.7);

Tailwind

colors: {
  custom: {
    50: '#5a7082',
    500: '#133b52',
    950: '#000000',
  },
}

SCSS

$custom: #133b52;
$custom-light: #5a7082;
$custom-dark: #000000;

JSON

{
  "hex": "#133b52",
  "rgb": {
    "r": 19,
    "g": 59,
    "b": 82
  },
  "hsl": {
    "h": 201.905,
    "s": 62.376,
    "l": 19.804
  },
  "oklch": {
    "l": 0.33599,
    "c": 0.05989,
    "h": 237.7
  },
  "luminance": 0.03876
}

Semantic roles & 50–950 ramp

primary

#133B52

secondary

#8A5536

accent

#7E42E5

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070A

muted

#797A7C

Preview Lab

Preview with #133B52

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

Preview Lab → · Contrast checker → · Palette generator →