#131559#131559

#131559 is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.1% C 0.118 H 272.7°. Best body text is #FFFFFF at 16.42:1 contrast (WCAG AA passes).

Color values

HEX	#131559
RGB	rgb(19, 21, 89)
HSL	hsl(238, 65%, 21%)
HSV	hsv(238, 79%, 35%)
CMYK	cmyk(78.7%, 76.4%, 0%, 65.1%)
CIE-LAB	lab(11.93, 25.05, -40.85)
CIE-LCH	lch(11.93, 47.92, 301.52°)
OKLab	oklab(25.12% 0.0056 -0.1182)
OKLCH	oklch(25.12% 0.118 272.7)
XYZ	xyz(2.3393, 1.3958, 9.5954)
Luminance	0.0140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131559 #595713

analogous

#133859 #131559 #341359

triadic

#131559 #591315 #155913

tetradic

#131559 #591338 #595713 #135934

square

#131559 #591338 #595713 #135934

split-complementary

#131559 #593413 #385913

monochromatic

#050619 #080927 #131559 #1E218B #292DBE

Accessibility & contrast

On white

16.42

#131559 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#131559 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131559

16.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131559	#FFFFFF	#000000	##FFFFFF
##131559	1.00	16.42	1.28	16.42
#FFFFFF	16.42	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00235B

Deuteranopia (green-blind)

#001C58

Tritanopia (blue-blind)

#002835

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #131559;
/* rgb */ color: rgb(19, 21, 89);
/* oklch */ color: oklch(25.1% 0.118 272.7);

Tailwind

colors: {
  custom: {
    50: '#5e5389',
    500: '#131559',
    950: '#000000',
  },
}

SCSS

$custom: #131559;
$custom-light: #5e5389;
$custom-dark: #000000;

JSON

{
  "hex": "#131559",
  "rgb": {
    "r": 19,
    "g": 21,
    "b": 89
  },
  "hsl": {
    "h": 238.286,
    "s": 64.815,
    "l": 21.176
  },
  "oklch": {
    "l": 0.25124,
    "c": 0.11829,
    "h": 272.7
  },
  "luminance": 0.01396
}

Semantic roles & 50–950 ramp

primary

#131559

secondary

#918F37

accent

#E340E8

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #131559

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

Preview Lab → · Contrast checker → · Palette generator →