#131359#131359

#131359 is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.8% C 0.121 H 273.2°. Best body text is #FFFFFF at 16.60:1 contrast (WCAG AA passes).

Color values

HEX	#131359
RGB	rgb(19, 19, 89)
HSL	hsl(240, 65%, 21%)
HSV	hsv(240, 79%, 35%)
CMYK	cmyk(78.7%, 78.7%, 0%, 65.1%)
CIE-LAB	lab(11.45, 26.38, -41.64)
CIE-LCH	lch(11.45, 49.29, 302.36°)
OKLab	oklab(24.78% 0.0068 -0.1205)
OKLCH	oklch(24.78% 0.121 273.2)
XYZ	xyz(2.3040, 1.3252, 9.5836)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131359 #595913

analogous

#133659 #131359 #361359

triadic

#131359 #591313 #135913

tetradic

#131359 #591336 #595913 #135936

square

#131359 #591336 #595913 #135936

split-complementary

#131359 #593613 #365913

monochromatic

#050519 #080827 #131359 #1E1E8B #2929BE

Accessibility & contrast

On white

16.60

#131359 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#131359 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131359

16.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131359	#FFFFFF	#000000	##FFFFFF
##131359	1.00	16.60	1.26	16.60
#FFFFFF	16.60	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00225B

Deuteranopia (green-blind)

#001B58

Tritanopia (blue-blind)

#002734

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #131359;
/* rgb */ color: rgb(19, 19, 89);
/* oklch */ color: oklch(24.8% 0.121 273.2);

Tailwind

colors: {
  custom: {
    50: '#5e5189',
    500: '#131359',
    950: '#000000',
  },
}

SCSS

$custom: #131359;
$custom-light: #5e5189;
$custom-dark: #000000;

JSON

{
  "hex": "#131359",
  "rgb": {
    "r": 19,
    "g": 19,
    "b": 89
  },
  "hsl": {
    "h": 240,
    "s": 64.815,
    "l": 21.176
  },
  "oklch": {
    "l": 0.24782,
    "c": 0.12065,
    "h": 273.2
  },
  "luminance": 0.01325
}

Semantic roles & 50–950 ramp

primary

#131359

secondary

#919137

accent

#E840E8

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #131359

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

Preview Lab → · Contrast checker → · Palette generator →