#131357#131357

#131357 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.5% C 0.118 H 273.5°. Best body text is #FFFFFF at 16.69:1 contrast (WCAG AA passes).

Color values

HEX	#131357
RGB	rgb(19, 19, 87)
HSL	hsl(240, 64%, 21%)
HSV	hsv(240, 78%, 34%)
CMYK	cmyk(78.2%, 78.2%, 0%, 65.9%)
CIE-LAB	lab(11.22, 25.62, -40.66)
CIE-LCH	lch(11.22, 48.06, 302.22°)
OKLab	oklab(24.55% 0.0072 -0.1176)
OKLCH	oklch(24.55% 0.118 273.5)
XYZ	xyz(2.2212, 1.2921, 9.1473)
Luminance	0.0129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131357 #575713

analogous

#133557 #131357 #351357

triadic

#131357 #571313 #135713

tetradic

#131357 #571335 #575713 #135735

square

#131357 #571335 #575713 #135735

split-complementary

#131357 #573513 #355713

monochromatic

#050519 #080825 #131357 #1E1E89 #2929BB

Accessibility & contrast

On white

16.69

#131357 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#131357 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131357

16.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131357	#FFFFFF	#000000	##FFFFFF
##131357	1.00	16.69	1.26	16.69
#FFFFFF	16.69	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002159

Deuteranopia (green-blind)

#001B56

Tritanopia (blue-blind)

#002633

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #131357;
/* rgb */ color: rgb(19, 19, 87);
/* oklch */ color: oklch(24.5% 0.118 273.5);

Tailwind

colors: {
  custom: {
    50: '#5d5187',
    500: '#131357',
    950: '#000000',
  },
}

SCSS

$custom: #131357;
$custom-light: #5d5187;
$custom-dark: #000000;

JSON

{
  "hex": "#131357",
  "rgb": {
    "r": 19,
    "g": 19,
    "b": 87
  },
  "hsl": {
    "h": 240,
    "s": 64.151,
    "l": 20.784
  },
  "oklch": {
    "l": 0.24548,
    "c": 0.11784,
    "h": 273.5
  },
  "luminance": 0.01292
}

Semantic roles & 50–950 ramp

primary

#131357

secondary

#8F8F36

accent

#E741E7

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #131357

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

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