#133D55#133D55

#133D55 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.3% C 0.062 H 237.7°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#133D55
RGB	rgb(19, 61, 85)
HSL	hsl(202, 63%, 20%)
HSV	hsv(202, 78%, 33%)
CMYK	cmyk(77.6%, 28.2%, 0%, 66.7%)
CIE-LAB	lab(24.10, -5.30, -18.63)
CIE-LCH	lch(24.10, 19.37, 254.11°)
OKLab	oklab(34.32% -0.0331 -0.0525)
OKLCH	oklch(34.32% 0.062 237.7)
XYZ	xyz(3.5764, 4.1314, 9.2015)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133D55 #552B13

analogous

#13554C #133D55 #131C55

triadic

#133D55 #55133D #3D5513

tetradic

#133D55 #4C1355 #552B13 #1C5513

square

#133D55 #4C1355 #552B13 #1C5513

split-complementary

#133D55 #55131C #554C13

monochromatic

#061219 #081923 #133D55 #1E6187 #2985B9

Accessibility & contrast

On white

11.50

#133D55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#133D55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133D55

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133D55	#FFFFFF	#000000	##FFFFFF
##133D55	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323D56

Deuteranopia (green-blind)

#293655

Tritanopia (blue-blind)

#004345

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #133d55;
/* rgb */ color: rgb(19, 61, 85);
/* oklch */ color: oklch(34.3% 0.062 237.7);

Tailwind

colors: {
  custom: {
    50: '#5b7285',
    500: '#133d55',
    950: '#000000',
  },
}

SCSS

$custom: #133d55;
$custom-light: #5b7285;
$custom-dark: #000000;

JSON

{
  "hex": "#133d55",
  "rgb": {
    "r": 19,
    "g": 61,
    "b": 85
  },
  "hsl": {
    "h": 201.818,
    "s": 63.462,
    "l": 20.392
  },
  "oklch": {
    "l": 0.34322,
    "c": 0.06209,
    "h": 237.7
  },
  "luminance": 0.04132
}

Semantic roles & 50–950 ramp

primary

#133D55

secondary

#8D5636

accent

#7D41E6

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #133D55

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

Preview Lab → · Contrast checker → · Palette generator →