#131A5A#131A5A

#131A5A is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.2% C 0.113 H 271.1°. Best body text is #FFFFFF at 15.87:1 contrast (WCAG AA passes).

Color values

HEX	#131A5A
RGB	rgb(19, 26, 90)
HSL	hsl(234, 65%, 21%)
HSV	hsv(234, 79%, 35%)
CMYK	cmyk(78.9%, 71.1%, 0%, 64.7%)
CIE-LAB	lab(13.32, 21.97, -39.23)
CIE-LCH	lch(13.32, 44.96, 299.24°)
OKLab	oklab(26.17% 0.0022 -0.1134)
OKLCH	oklch(26.17% 0.113 271.1)
XYZ	xyz(2.4828, 1.6152, 9.8518)
Luminance	0.0162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131A5A #5A5313

analogous

#133E5A #131A5A #30135A

triadic

#131A5A #5A131A #1A5A13

tetradic

#131A5A #5A133E #5A5313 #135A30

square

#131A5A #5A133E #5A5313 #135A30

split-complementary

#131A5A #5A3013 #3E5A13

monochromatic

#050719 #080B27 #131A5A #1E298D #2837BF

Accessibility & contrast

On white

15.87

#131A5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#131A5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131A5A

15.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131A5A	#FFFFFF	#000000	##FFFFFF
##131A5A	1.00	15.87	1.32	15.87
#FFFFFF	15.87	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265C

Deuteranopia (green-blind)

#001F59

Tritanopia (blue-blind)

#002B37

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #131a5a;
/* rgb */ color: rgb(19, 26, 90);
/* oklch */ color: oklch(26.2% 0.113 271.1);

Tailwind

colors: {
  custom: {
    50: '#5d5689',
    500: '#131a5a',
    950: '#000000',
  },
}

SCSS

$custom: #131a5a;
$custom-light: #5d5689;
$custom-dark: #000000;

JSON

{
  "hex": "#131a5a",
  "rgb": {
    "r": 19,
    "g": 26,
    "b": 90
  },
  "hsl": {
    "h": 234.085,
    "s": 65.138,
    "l": 21.373
  },
  "oklch": {
    "l": 0.26165,
    "c": 0.11346,
    "h": 271.1
  },
  "luminance": 0.01615
}

Semantic roles & 50–950 ramp

primary

#131A5A

secondary

#928937

accent

#D840E8

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #131A5A

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

Preview Lab → · Contrast checker → · Palette generator →