#131555#131555

#131555 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.7% C 0.113 H 273.2°. Best body text is #FFFFFF at 16.59:1 contrast (WCAG AA passes).

Color values

HEX	#131555
RGB	rgb(19, 21, 85)
HSL	hsl(238, 63%, 20%)
HSV	hsv(238, 78%, 33%)
CMYK	cmyk(77.6%, 75.3%, 0%, 66.7%)
CIE-LAB	lab(11.49, 23.50, -38.87)
CIE-LCH	lch(11.49, 45.42, 301.15°)
OKLab	oklab(24.67% 0.0062 -0.1124)
OKLCH	oklch(24.67% 0.113 273.2)
XYZ	xyz(2.1759, 1.3304, 8.7347)
Luminance	0.0133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131555 #555313

analogous

#133655 #131555 #321355

triadic

#131555 #551315 #155513

tetradic

#131555 #551336 #555313 #135532

square

#131555 #551336 #555313 #135532

split-complementary

#131555 #553213 #365513

monochromatic

#060619 #080923 #131555 #1E2187 #292EB9

Accessibility & contrast

On white

16.59

#131555 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#131555 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131555

16.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131555	#FFFFFF	#000000	##FFFFFF
##131555	1.00	16.59	1.27	16.59
#FFFFFF	16.59	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002257

Deuteranopia (green-blind)

#001B54

Tritanopia (blue-blind)

#002733

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #131555;
/* rgb */ color: rgb(19, 21, 85);
/* oklch */ color: oklch(24.7% 0.113 273.2);

Tailwind

colors: {
  custom: {
    50: '#5d5286',
    500: '#131555',
    950: '#000000',
  },
}

SCSS

$custom: #131555;
$custom-light: #5d5286;
$custom-dark: #000000;

JSON

{
  "hex": "#131555",
  "rgb": {
    "r": 19,
    "g": 21,
    "b": 85
  },
  "hsl": {
    "h": 238.182,
    "s": 63.462,
    "l": 20.392
  },
  "oklch": {
    "l": 0.24672,
    "c": 0.11255,
    "h": 273.2
  },
  "luminance": 0.01331
}

Semantic roles & 50–950 ramp

primary

#131555

secondary

#8D8B36

accent

#E141E6

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #131555

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

Preview Lab → · Contrast checker → · Palette generator →