#133E55#133E55

#133E55 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.6% C 0.061 H 236.0°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#133E55
RGB	rgb(19, 62, 85)
HSL	hsl(201, 63%, 20%)
HSV	hsv(201, 78%, 33%)
CMYK	cmyk(77.6%, 27.1%, 0%, 66.7%)
CIE-LAB	lab(24.45, -5.96, -18.09)
CIE-LCH	lch(24.45, 19.04, 251.77°)
OKLab	oklab(34.6% -0.0343 -0.0509)
OKLCH	oklch(34.6% 0.061 236)
XYZ	xyz(3.6302, 4.2392, 9.2195)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133E55 #552A13

analogous

#13554B #133E55 #131D55

triadic

#133E55 #55133E #3E5513

tetradic

#133E55 #4B1355 #552A13 #1D5513

square

#133E55 #4B1355 #552A13 #1D5513

split-complementary

#133E55 #55131D #554B13

monochromatic

#061219 #081A23 #133E55 #1E6287 #2987B9

Accessibility & contrast

On white

11.36

#133E55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#133E55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133E55

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133E55	#FFFFFF	#000000	##FFFFFF
##133E55	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333E56

Deuteranopia (green-blind)

#2A3755

Tritanopia (blue-blind)

#004446

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #133e55;
/* rgb */ color: rgb(19, 62, 85);
/* oklch */ color: oklch(34.6% 0.061 236.0);

Tailwind

colors: {
  custom: {
    50: '#5b7385',
    500: '#133e55',
    950: '#000000',
  },
}

SCSS

$custom: #133e55;
$custom-light: #5b7385;
$custom-dark: #000000;

JSON

{
  "hex": "#133e55",
  "rgb": {
    "r": 19,
    "g": 62,
    "b": 85
  },
  "hsl": {
    "h": 200.909,
    "s": 63.462,
    "l": 20.392
  },
  "oklch": {
    "l": 0.34597,
    "c": 0.0614,
    "h": 236
  },
  "luminance": 0.0424
}

Semantic roles & 50–950 ramp

primary

#133E55

secondary

#8D5536

accent

#7B41E6

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #133E55

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

Preview Lab → · Contrast checker → · Palette generator →