#131373#131373

#131373 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 28.0% C 0.155 H 270.5°. Best body text is #FFFFFF at 15.35:1 contrast (WCAG AA passes).

Color values

HEX	#131373
RGB	rgb(19, 19, 115)
HSL	hsl(240, 72%, 26%)
HSV	hsv(240, 83%, 45%)
CMYK	cmyk(83.5%, 83.5%, 0%, 54.9%)
CIE-LAB	lab(14.63, 35.80, -53.56)
CIE-LCH	lch(14.63, 64.42, 303.76°)
OKLab	oklab(27.96% 0.0012 -0.1551)
OKLCH	oklch(27.96% 0.155 270.5)
XYZ	xyz(3.5949, 1.8416, 16.3823)
Luminance	0.0184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131373 #737313

analogous

#134373 #131373 #431373

triadic

#131373 #731313 #137313

tetradic

#131373 #731343 #737313 #137343

square

#131373 #731343 #737313 #137343

split-complementary

#131373 #734313 #437313

monochromatic

#04041A #0A0A3E #131373 #1C1CA8 #2525DB

Accessibility & contrast

On white

15.35

#131373 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#131373 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131373

15.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131373	#FFFFFF	#000000	##FFFFFF
##131373	1.00	15.35	1.37	15.35
#FFFFFF	15.35	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A76

Deuteranopia (green-blind)

#002071

Tritanopia (blue-blind)

#003143

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #131373;
/* rgb */ color: rgb(19, 19, 115);
/* oklch */ color: oklch(28.0% 0.155 270.5);

Tailwind

colors: {
  custom: {
    50: '#65539c',
    500: '#131373',
    950: '#000000',
  },
}

SCSS

$custom: #131373;
$custom-light: #65539c;
$custom-dark: #000000;

JSON

{
  "hex": "#131373",
  "rgb": {
    "r": 19,
    "g": 19,
    "b": 115
  },
  "hsl": {
    "h": 240,
    "s": 71.642,
    "l": 26.275
  },
  "oklch": {
    "l": 0.27958,
    "c": 0.15507,
    "h": 270.5
  },
  "luminance": 0.01842
}

Semantic roles & 50–950 ramp

primary

#131373

secondary

#AAAA38

accent

#EE39EE

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #131373

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

Preview Lab → · Contrast checker → · Palette generator →