#131B44#131B44

#131B44 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.2% C 0.078 H 271.2°. Best body text is #FFFFFF at 16.56:1 contrast (WCAG AA passes).

Color values

HEX	#131B44
RGB	rgb(19, 27, 68)
HSL	hsl(230, 56%, 17%)
HSV	hsv(230, 72%, 27%)
CMYK	cmyk(72.1%, 60.3%, 0%, 73.3%)
CIE-LAB	lab(11.55, 12.10, -27.04)
CIE-LCH	lch(11.55, 29.63, 294.11°)
OKLab	oklab(24.21% 0.0016 -0.0776)
OKLCH	oklch(24.21% 0.078 271.2)
XYZ	xyz(1.7035, 1.3395, 5.6365)
Luminance	0.0134 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131B44 #443C13

analogous

#133444 #131B44 #241344

triadic

#131B44 #44131B #1B4413

tetradic

#131B44 #441334 #443C13 #134424

square

#131B44 #441334 #443C13 #134424

split-complementary

#131B44 #442413 #344413

monochromatic

#070918 #070918 #131B44 #202E74 #2E41A4

Accessibility & contrast

On white

16.56

#131B44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#131B44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131B44

16.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131B44	#FFFFFF	#000000	##FFFFFF
##131B44	1.00	16.56	1.27	16.56
#FFFFFF	16.56	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#022145

Deuteranopia (green-blind)

#001C43

Tritanopia (blue-blind)

#00252C

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #131b44;
/* rgb */ color: rgb(19, 27, 68);
/* oklch */ color: oklch(24.2% 0.078 271.2);

Tailwind

colors: {
  custom: {
    50: '#575778',
    500: '#131b44',
    950: '#000000',
  },
}

SCSS

$custom: #131b44;
$custom-light: #575778;
$custom-dark: #000000;

JSON

{
  "hex": "#131b44",
  "rgb": {
    "r": 19,
    "g": 27,
    "b": 68
  },
  "hsl": {
    "h": 230.204,
    "s": 56.322,
    "l": 17.059
  },
  "oklch": {
    "l": 0.24209,
    "c": 0.07766,
    "h": 271.2
  },
  "luminance": 0.0134
}

Semantic roles & 50–950 ramp

primary

#131B44

secondary

#7D7136

accent

#C748E0

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030309

muted

#78787B

Preview Lab

Preview with #131B44

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

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