#133F55#133F55

#133F55 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.9% C 0.061 H 234.3°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#133F55
RGB	rgb(19, 63, 85)
HSL	hsl(200, 63%, 20%)
HSV	hsv(200, 78%, 33%)
CMYK	cmyk(77.6%, 25.9%, 0%, 66.7%)
CIE-LAB	lab(24.79, -6.60, -17.55)
CIE-LCH	lch(24.79, 18.75, 249.38°)
OKLab	oklab(34.87% -0.0354 -0.0494)
OKLCH	oklch(34.87% 0.061 234.3)
XYZ	xyz(3.6851, 4.3489, 9.2378)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133F55 #552913

analogous

#13554A #133F55 #131E55

triadic

#133F55 #55133F #3F5513

tetradic

#133F55 #4A1355 #552913 #1E5513

square

#133F55 #4A1355 #552913 #1E5513

split-complementary

#133F55 #55131E #554A13

monochromatic

#061319 #081A23 #133F55 #1E6487 #2989B9

Accessibility & contrast

On white

11.23

#133F55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#133F55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F55

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133F55	#FFFFFF	#000000	##FFFFFF
##133F55	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343E56

Deuteranopia (green-blind)

#2B3855

Tritanopia (blue-blind)

#004546

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #133f55;
/* rgb */ color: rgb(19, 63, 85);
/* oklch */ color: oklch(34.9% 0.061 234.3);

Tailwind

colors: {
  custom: {
    50: '#5b7485',
    500: '#133f55',
    950: '#000000',
  },
}

SCSS

$custom: #133f55;
$custom-light: #5b7485;
$custom-dark: #000000;

JSON

{
  "hex": "#133f55",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 85
  },
  "hsl": {
    "h": 200,
    "s": 63.462,
    "l": 20.392
  },
  "oklch": {
    "l": 0.34872,
    "c": 0.06077,
    "h": 234.3
  },
  "luminance": 0.04349
}

Semantic roles & 50–950 ramp

primary

#133F55

secondary

#8D5336

accent

#7841E6

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #133F55

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

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