#133C56#133C56

#133C56 is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.1% C 0.064 H 240.4°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#133C56
RGB	rgb(19, 60, 86)
HSL	hsl(203, 64%, 21%)
HSV	hsv(203, 78%, 34%)
CMYK	cmyk(77.9%, 30.2%, 0%, 66.3%)
CIE-LAB	lab(23.81, -4.24, -19.74)
CIE-LCH	lch(23.81, 20.19, 257.87°)
OKLab	oklab(34.11% -0.0316 -0.0557)
OKLCH	oklch(34.11% 0.064 240.4)
XYZ	xyz(3.5635, 4.0416, 9.3946)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133C56 #562D13

analogous

#13564E #133C56 #131A56

triadic

#133C56 #56133C #3C5613

tetradic

#133C56 #4E1356 #562D13 #1A5613

square

#133C56 #4E1356 #562D13 #1A5613

split-complementary

#133C56 #56131A #564E13

monochromatic

#061119 #081924 #133C56 #1E5F88 #2982BA

Accessibility & contrast

On white

11.61

#133C56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#133C56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133C56

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133C56	#FFFFFF	#000000	##FFFFFF
##133C56	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303C57

Deuteranopia (green-blind)

#273656

Tritanopia (blue-blind)

#004245

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #133c56;
/* rgb */ color: rgb(19, 60, 86);
/* oklch */ color: oklch(34.1% 0.064 240.4);

Tailwind

colors: {
  custom: {
    50: '#5b7185',
    500: '#133c56',
    950: '#000000',
  },
}

SCSS

$custom: #133c56;
$custom-light: #5b7185;
$custom-dark: #000000;

JSON

{
  "hex": "#133c56",
  "rgb": {
    "r": 19,
    "g": 60,
    "b": 86
  },
  "hsl": {
    "h": 203.284,
    "s": 63.81,
    "l": 20.588
  },
  "oklch": {
    "l": 0.34107,
    "c": 0.06409,
    "h": 240.4
  },
  "luminance": 0.04042
}

Semantic roles & 50–950 ramp

primary

#133C56

secondary

#8E5936

accent

#8141E7

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #133C56

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

Preview Lab → · Contrast checker → · Palette generator →