#133C5C#133C5C

#133C5C is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.5% C 0.072 H 245.8°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#133C5C
RGB	rgb(19, 60, 92)
HSL	hsl(206, 66%, 22%)
HSV	hsv(206, 79%, 36%)
CMYK	cmyk(79.3%, 34.8%, 0%, 63.9%)
CIE-LAB	lab(24.14, -1.80, -23.15)
CIE-LCH	lch(24.14, 23.22, 265.55°)
OKLab	oklab(34.47% -0.0295 -0.0657)
OKLCH	oklch(34.47% 0.072 245.8)
XYZ	xyz(3.8154, 4.1424, 10.7216)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133C5C #5C3313

analogous

#135C58 #133C5C #13185C

triadic

#133C5C #5C133C #3C5C13

tetradic

#133C5C #58135C #5C3313 #185C13

square

#133C5C #58135C #5C3313 #185C13

split-complementary

#133C5C #5C1318 #5C5813

monochromatic

#051119 #091B29 #133C5C #1D5D8F #287EC1

Accessibility & contrast

On white

11.48

#133C5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#133C5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133C5C

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133C5C	#FFFFFF	#000000	##FFFFFF
##133C5C	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3D5D

Deuteranopia (green-blind)

#23365B

Tritanopia (blue-blind)

#004447

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #133c5c;
/* rgb */ color: rgb(19, 60, 92);
/* oklch */ color: oklch(34.5% 0.072 245.8);

Tailwind

colors: {
  custom: {
    50: '#5c718a',
    500: '#133c5c',
    950: '#000000',
  },
}

SCSS

$custom: #133c5c;
$custom-light: #5c718a;
$custom-dark: #000000;

JSON

{
  "hex": "#133c5c",
  "rgb": {
    "r": 19,
    "g": 60,
    "b": 92
  },
  "hsl": {
    "h": 206.301,
    "s": 65.766,
    "l": 21.765
  },
  "oklch": {
    "l": 0.34474,
    "c": 0.07199,
    "h": 245.8
  },
  "luminance": 0.04143
}

Semantic roles & 50–950 ramp

primary

#133C5C

secondary

#946037

accent

#893FE9

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070B

muted

#797A7C

Preview Lab

Preview with #133C5C

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

Preview Lab → · Contrast checker → · Palette generator →