#131553#131553

#131553 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.4% C 0.110 H 273.4°. Best body text is #FFFFFF at 16.67:1 contrast (WCAG AA passes).

Color values

HEX	#131553
RGB	rgb(19, 21, 83)
HSL	hsl(238, 63%, 20%)
HSV	hsv(238, 77%, 33%)
CMYK	cmyk(77.1%, 74.7%, 0%, 67.5%)
CIE-LAB	lab(11.27, 22.71, -37.86)
CIE-LCH	lch(11.27, 44.15, 300.95°)
OKLab	oklab(24.45% 0.0065 -0.1094)
OKLCH	oklch(24.45% 0.11 273.4)
XYZ	xyz(2.0975, 1.2991, 8.3221)
Luminance	0.0130 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131553 #535113

analogous

#133553 #131553 #311353

triadic

#131553 #531315 #155313

tetradic

#131553 #531335 #535113 #135331

square

#131553 #531335 #535113 #135331

split-complementary

#131553 #533113 #355313

monochromatic

#060619 #080821 #131553 #1E2285 #2A2EB7

Accessibility & contrast

On white

16.67

#131553 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#131553 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131553

16.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131553	#FFFFFF	#000000	##FFFFFF
##131553	1.00	16.67	1.26	16.67
#FFFFFF	16.67	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002155

Deuteranopia (green-blind)

#001B52

Tritanopia (blue-blind)

#002632

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #131553;
/* rgb */ color: rgb(19, 21, 83);
/* oklch */ color: oklch(24.4% 0.110 273.4);

Tailwind

colors: {
  custom: {
    50: '#5c5284',
    500: '#131553',
    950: '#000000',
  },
}

SCSS

$custom: #131553;
$custom-light: #5c5284;
$custom-dark: #000000;

JSON

{
  "hex": "#131553",
  "rgb": {
    "r": 19,
    "g": 21,
    "b": 83
  },
  "hsl": {
    "h": 238.125,
    "s": 62.745,
    "l": 20
  },
  "oklch": {
    "l": 0.24449,
    "c": 0.10964,
    "h": 273.4
  },
  "luminance": 0.01299
}

Semantic roles & 50–950 ramp

primary

#131553

secondary

#8B8936

accent

#E142E6

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #131553

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

Preview Lab → · Contrast checker → · Palette generator →