#133C54#133C54

#133C54 is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.0% C 0.062 H 238.3°. Best body text is #FFFFFF at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#133C54
RGB	rgb(19, 60, 84)
HSL	hsl(202, 63%, 20%)
HSV	hsv(202, 77%, 33%)
CMYK	cmyk(77.4%, 28.6%, 0%, 67.1%)
CIE-LAB	lab(23.70, -5.05, -18.59)
CIE-LCH	lch(23.70, 19.26, 254.81°)
OKLab	oklab(33.99% -0.0324 -0.0524)
OKLCH	oklch(33.99% 0.062 238.3)
XYZ	xyz(3.4840, 4.0099, 8.9762)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133C54 #542B13

analogous

#13544B #133C54 #131B54

triadic

#133C54 #54133C #3C5413

tetradic

#133C54 #4B1354 #542B13 #1B5413

square

#133C54 #4B1354 #542B13 #1B5413

split-complementary

#133C54 #54131B #544B13

monochromatic

#061219 #081822 #133C54 #1E6086 #2A83B8

Accessibility & contrast

On white

11.65

#133C54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#133C54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133C54

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133C54	#FFFFFF	#000000	##FFFFFF
##133C54	1.00	11.65	1.80	11.65
#FFFFFF	11.65	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313C55

Deuteranopia (green-blind)

#283654

Tritanopia (blue-blind)

#004244

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #133c54;
/* rgb */ color: rgb(19, 60, 84);
/* oklch */ color: oklch(34.0% 0.062 238.3);

Tailwind

colors: {
  custom: {
    50: '#5b7184',
    500: '#133c54',
    950: '#000000',
  },
}

SCSS

$custom: #133c54;
$custom-light: #5b7184;
$custom-dark: #000000;

JSON

{
  "hex": "#133c54",
  "rgb": {
    "r": 19,
    "g": 60,
    "b": 84
  },
  "hsl": {
    "h": 202.154,
    "s": 63.107,
    "l": 20.196
  },
  "oklch": {
    "l": 0.3399,
    "c": 0.0616,
    "h": 238.3
  },
  "luminance": 0.0401
}

Semantic roles & 50–950 ramp

primary

#133C54

secondary

#8C5636

accent

#7E42E6

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #133C54

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

Preview Lab → · Contrast checker → · Palette generator →