#131D33#131D33

#131D33 is a very dark, muted blue. Relative luminance 0.013; OKLCH L 23.4% C 0.045 H 264.6°. Best body text is #FFFFFF at 16.78:1 contrast (WCAG AA passes).

Color values

HEX	#131D33
RGB	rgb(19, 29, 51)
HSL	hsl(221, 46%, 14%)
HSV	hsv(221, 63%, 20%)
CMYK	cmyk(62.7%, 43.1%, 0%, 80%)
CIE-LAB	lab(10.96, 3.51, -15.90)
CIE-LCH	lch(10.96, 16.28, 282.45°)
OKLab	oklab(23.36% -0.0042 -0.0449)
OKLCH	oklch(23.36% 0.045 264.6)
XYZ	xyz(1.3053, 1.2561, 3.3050)
Luminance	0.0126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D33 #332913

analogous

#132D33 #131D33 #191333

triadic

#131D33 #33131D #1D3313

tetradic

#131D33 #33132D #332913 #133319

square

#131D33 #33132D #332913 #133319

split-complementary

#131D33 #331913 #2D3313

monochromatic

#080D16 #080D16 #131D33 #243660 #34508C

Accessibility & contrast

On white

16.78

#131D33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#131D33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D33

16.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D33	#FFFFFF	#000000	##FFFFFF
##131D33	1.00	16.78	1.25	16.78
#FFFFFF	16.78	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141F34

Deuteranopia (green-blind)

#111C33

Tritanopia (blue-blind)

#042225

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #131d33;
/* rgb */ color: rgb(19, 29, 51);
/* oklch */ color: oklch(23.4% 0.045 264.6);

Tailwind

colors: {
  custom: {
    50: '#53586a',
    500: '#131d33',
    950: '#000000',
  },
}

SCSS

$custom: #131d33;
$custom-light: #53586a;
$custom-dark: #000000;

JSON

{
  "hex": "#131d33",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 51
  },
  "hsl": {
    "h": 221.25,
    "s": 45.714,
    "l": 13.725
  },
  "oklch": {
    "l": 0.23361,
    "c": 0.0451,
    "h": 264.6
  },
  "luminance": 0.01256
}

Semantic roles & 50–950 ramp

primary

#131D33

secondary

#6B5B37

accent

#AC52D5

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020306

muted

#78787A

Preview Lab

Preview with #131D33

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

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