#131A4D#131A4D

#131A4D is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.8% C 0.094 H 271.7°. Best body text is #FFFFFF at 16.37:1 contrast (WCAG AA passes).

Color values

HEX	#131A4D
RGB	rgb(19, 26, 77)
HSL	hsl(233, 60%, 19%)
HSV	hsv(233, 75%, 30%)
CMYK	cmyk(75.3%, 66.2%, 0%, 69.8%)
CIE-LAB	lab(12.04, 16.63, -32.48)
CIE-LCH	lch(12.04, 36.49, 297.12°)
OKLab	oklab(24.83% 0.0029 -0.0936)
OKLCH	oklch(24.83% 0.094 271.7)
XYZ	xyz(1.9771, 1.4129, 7.1883)
Luminance	0.0141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131A4D #4D4613

analogous

#13374D #131A4D #29134D

triadic

#131A4D #4D131A #1A4D13

tetradic

#131A4D #4D1337 #4D4613 #134D29

square

#131A4D #4D1337 #4D4613 #134D29

split-complementary

#131A4D #4D2913 #374D13

monochromatic

#060819 #07091C #131A4D #1F2B7E #2B3BAF

Accessibility & contrast

On white

16.37

#131A4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#131A4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131A4D

16.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131A4D	#FFFFFF	#000000	##FFFFFF
##131A4D	1.00	16.37	1.28	16.37
#FFFFFF	16.37	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00224F

Deuteranopia (green-blind)

#001D4C

Tritanopia (blue-blind)

#002730

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #131a4d;
/* rgb */ color: rgb(19, 26, 77);
/* oklch */ color: oklch(24.8% 0.094 271.7);

Tailwind

colors: {
  custom: {
    50: '#5a567f',
    500: '#131a4d',
    950: '#000000',
  },
}

SCSS

$custom: #131a4d;
$custom-light: #5a567f;
$custom-dark: #000000;

JSON

{
  "hex": "#131a4d",
  "rgb": {
    "r": 19,
    "g": 26,
    "b": 77
  },
  "hsl": {
    "h": 232.759,
    "s": 60.417,
    "l": 18.824
  },
  "oklch": {
    "l": 0.24829,
    "c": 0.09369,
    "h": 271.7
  },
  "luminance": 0.01413
}

Semantic roles & 50–950 ramp

primary

#131A4D

secondary

#867C36

accent

#D044E4

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #131A4D

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

Preview Lab → · Contrast checker → · Palette generator →