#131A4A#131A4A

#131A4A is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.5% C 0.089 H 271.8°. Best body text is #FFFFFF at 16.48:1 contrast (WCAG AA passes).

Color values

HEX	#131A4A
RGB	rgb(19, 26, 74)
HSL	hsl(232, 59%, 18%)
HSV	hsv(232, 74%, 29%)
CMYK	cmyk(74.3%, 64.9%, 0%, 71%)
CIE-LAB	lab(11.77, 15.38, -30.86)
CIE-LCH	lch(11.77, 34.48, 296.49°)
OKLab	oklab(24.54% 0.0029 -0.0889)
OKLCH	oklch(24.54% 0.089 271.8)
XYZ	xyz(1.8736, 1.3715, 6.6432)
Luminance	0.0137 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131A4A #4A4313

analogous

#13354A #131A4A #27134A

triadic

#131A4A #4A131A #1A4A13

tetradic

#131A4A #4A1335 #4A4313 #134A27

square

#131A4A #4A1335 #4A4313 #134A27

split-complementary

#131A4A #4A2713 #354A13

monochromatic

#060918 #060919 #131A4A #202B7B #2C3CAB

Accessibility & contrast

On white

16.48

#131A4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#131A4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131A4A

16.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131A4A	#FFFFFF	#000000	##FFFFFF
##131A4A	1.00	16.48	1.27	16.48
#FFFFFF	16.48	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00224C

Deuteranopia (green-blind)

#001D49

Tritanopia (blue-blind)

#00262F

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #131a4a;
/* rgb */ color: rgb(19, 26, 74);
/* oklch */ color: oklch(24.5% 0.089 271.8);

Tailwind

colors: {
  custom: {
    50: '#59567d',
    500: '#131a4a',
    950: '#000000',
  },
}

SCSS

$custom: #131a4a;
$custom-light: #59567d;
$custom-dark: #000000;

JSON

{
  "hex": "#131a4a",
  "rgb": {
    "r": 19,
    "g": 26,
    "b": 74
  },
  "hsl": {
    "h": 232.364,
    "s": 59.14,
    "l": 18.235
  },
  "oklch": {
    "l": 0.24537,
    "c": 0.08894,
    "h": 271.8
  },
  "luminance": 0.01372
}

Semantic roles & 50–950 ramp

primary

#131A4A

secondary

#837936

accent

#CE45E2

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #131A4A

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

Preview Lab → · Contrast checker → · Palette generator →