#131558#131558

#131558 is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.0% C 0.117 H 272.8°. Best body text is #FFFFFF at 16.46:1 contrast (WCAG AA passes).

Color values

HEX	#131558
RGB	rgb(19, 21, 88)
HSL	hsl(238, 64%, 21%)
HSV	hsv(238, 78%, 35%)
CMYK	cmyk(78.4%, 76.1%, 0%, 65.5%)
CIE-LAB	lab(11.82, 24.67, -40.36)
CIE-LCH	lch(11.82, 47.30, 301.44°)
OKLab	oklab(25.01% 0.0058 -0.1167)
OKLCH	oklch(25.01% 0.117 272.8)
XYZ	xyz(2.2976, 1.3791, 9.3757)
Luminance	0.0138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131558 #585613

analogous

#133758 #131558 #331358

triadic

#131558 #581315 #155813

tetradic

#131558 #581337 #585613 #135833

square

#131558 #581337 #585613 #135833

split-complementary

#131558 #583313 #375813

monochromatic

#050619 #080926 #131558 #1E218A #292DBD

Accessibility & contrast

On white

16.46

#131558 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#131558 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131558

16.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131558	#FFFFFF	#000000	##FFFFFF
##131558	1.00	16.46	1.28	16.46
#FFFFFF	16.46	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00225A

Deuteranopia (green-blind)

#001C57

Tritanopia (blue-blind)

#002834

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #131558;
/* rgb */ color: rgb(19, 21, 88);
/* oklch */ color: oklch(25.0% 0.117 272.8);

Tailwind

colors: {
  custom: {
    50: '#5d5388',
    500: '#131558',
    950: '#000000',
  },
}

SCSS

$custom: #131558;
$custom-light: #5d5388;
$custom-dark: #000000;

JSON

{
  "hex": "#131558",
  "rgb": {
    "r": 19,
    "g": 21,
    "b": 88
  },
  "hsl": {
    "h": 238.261,
    "s": 64.486,
    "l": 20.98
  },
  "oklch": {
    "l": 0.25011,
    "c": 0.11687,
    "h": 272.8
  },
  "luminance": 0.01379
}

Semantic roles & 50–950 ramp

primary

#131558

secondary

#908E37

accent

#E340E7

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #131558

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

Preview Lab → · Contrast checker → · Palette generator →