#131556#131556

#131556 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.8% C 0.114 H 273.0°. Best body text is #FFFFFF at 16.54:1 contrast (WCAG AA passes).

Color values

HEX	#131556
RGB	rgb(19, 21, 86)
HSL	hsl(238, 64%, 21%)
HSV	hsv(238, 78%, 34%)
CMYK	cmyk(77.9%, 75.6%, 0%, 66.3%)
CIE-LAB	lab(11.60, 23.89, -39.37)
CIE-LCH	lch(11.60, 46.05, 301.25°)
OKLab	oklab(24.78% 0.0061 -0.1138)
OKLCH	oklch(24.78% 0.114 273)
XYZ	xyz(2.2159, 1.3464, 8.9454)
Luminance	0.0135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131556 #565413

analogous

#133656 #131556 #321356

triadic

#131556 #561315 #155613

tetradic

#131556 #561336 #565413 #135632

square

#131556 #561336 #565413 #135632

split-complementary

#131556 #563213 #365613

monochromatic

#060619 #080924 #131556 #1E2188 #292DBA

Accessibility & contrast

On white

16.54

#131556 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#131556 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131556

16.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131556	#FFFFFF	#000000	##FFFFFF
##131556	1.00	16.54	1.27	16.54
#FFFFFF	16.54	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002258

Deuteranopia (green-blind)

#001B55

Tritanopia (blue-blind)

#002733

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #131556;
/* rgb */ color: rgb(19, 21, 86);
/* oklch */ color: oklch(24.8% 0.114 273.0);

Tailwind

colors: {
  custom: {
    50: '#5d5286',
    500: '#131556',
    950: '#000000',
  },
}

SCSS

$custom: #131556;
$custom-light: #5d5286;
$custom-dark: #000000;

JSON

{
  "hex": "#131556",
  "rgb": {
    "r": 19,
    "g": 21,
    "b": 86
  },
  "hsl": {
    "h": 238.209,
    "s": 63.81,
    "l": 20.588
  },
  "oklch": {
    "l": 0.24784,
    "c": 0.114,
    "h": 273
  },
  "luminance": 0.01347
}

Semantic roles & 50–950 ramp

primary

#131556

secondary

#8E8C36

accent

#E241E7

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #131556

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

Preview Lab → · Contrast checker → · Palette generator →