#133C57#133C57

#133C57 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.2% C 0.065 H 241.4°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#133C57
RGB	rgb(19, 60, 87)
HSL	hsl(204, 64%, 21%)
HSV	hsv(204, 78%, 34%)
CMYK	cmyk(78.2%, 31%, 0%, 65.9%)
CIE-LAB	lab(23.86, -3.84, -20.31)
CIE-LCH	lch(23.86, 20.67, 259.30°)
OKLab	oklab(34.17% -0.0313 -0.0574)
OKLCH	oklch(34.17% 0.065 241.4)
XYZ	xyz(3.6041, 4.0579, 9.6083)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133C57 #572E13

analogous

#135750 #133C57 #131A57

triadic

#133C57 #57133C #3C5713

tetradic

#133C57 #501357 #572E13 #1A5713

square

#133C57 #501357 #572E13 #1A5713

split-complementary

#133C57 #57131A #575013

monochromatic

#051119 #081925 #133C57 #1E5F89 #2981BB

Accessibility & contrast

On white

11.59

#133C57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#133C57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133C57

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133C57	#FFFFFF	#000000	##FFFFFF
##133C57	1.00	11.59	1.81	11.59
#FFFFFF	11.59	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303C58

Deuteranopia (green-blind)

#263657

Tritanopia (blue-blind)

#004345

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #133c57;
/* rgb */ color: rgb(19, 60, 87);
/* oklch */ color: oklch(34.2% 0.065 241.4);

Tailwind

colors: {
  custom: {
    50: '#5b7186',
    500: '#133c57',
    950: '#000000',
  },
}

SCSS

$custom: #133c57;
$custom-light: #5b7186;
$custom-dark: #000000;

JSON

{
  "hex": "#133c57",
  "rgb": {
    "r": 19,
    "g": 60,
    "b": 87
  },
  "hsl": {
    "h": 203.824,
    "s": 64.151,
    "l": 20.784
  },
  "oklch": {
    "l": 0.34167,
    "c": 0.06536,
    "h": 241.4
  },
  "luminance": 0.04058
}

Semantic roles & 50–950 ramp

primary

#133C57

secondary

#8F5A36

accent

#8341E7

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #133C57

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

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