#131A4E#131A4E

#131A4E is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.9% C 0.095 H 271.7°. Best body text is #FFFFFF at 16.34:1 contrast (WCAG AA passes).

Color values

HEX	#131A4E
RGB	rgb(19, 26, 78)
HSL	hsl(233, 61%, 19%)
HSV	hsv(233, 76%, 31%)
CMYK	cmyk(75.6%, 66.7%, 0%, 69.4%)
CIE-LAB	lab(12.14, 17.05, -33.02)
CIE-LCH	lch(12.14, 37.16, 297.31°)
OKLab	oklab(24.93% 0.0028 -0.0952)
OKLCH	oklch(24.93% 0.095 271.7)
XYZ	xyz(2.0126, 1.4271, 7.3756)
Luminance	0.0143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131A4E #4E4713

analogous

#13384E #131A4E #2A134E

triadic

#131A4E #4E131A #1A4E13

tetradic

#131A4E #4E1338 #4E4713 #134E2A

square

#131A4E #4E1338 #4E4713 #134E2A

split-complementary

#131A4E #4E2A13 #384E13

monochromatic

#060819 #070A1D #131A4E #1F2A7F #2B3BB0

Accessibility & contrast

On white

16.34

#131A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#131A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131A4E

16.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131A4E	#FFFFFF	#000000	##FFFFFF
##131A4E	1.00	16.34	1.29	16.34
#FFFFFF	16.34	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002350

Deuteranopia (green-blind)

#001D4D

Tritanopia (blue-blind)

#002731

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #131a4e;
/* rgb */ color: rgb(19, 26, 78);
/* oklch */ color: oklch(24.9% 0.095 271.7);

Tailwind

colors: {
  custom: {
    50: '#5a5680',
    500: '#131a4e',
    950: '#000000',
  },
}

SCSS

$custom: #131a4e;
$custom-light: #5a5680;
$custom-dark: #000000;

JSON

{
  "hex": "#131a4e",
  "rgb": {
    "r": 19,
    "g": 26,
    "b": 78
  },
  "hsl": {
    "h": 232.881,
    "s": 60.825,
    "l": 19.02
  },
  "oklch": {
    "l": 0.24928,
    "c": 0.09526,
    "h": 271.7
  },
  "luminance": 0.01427
}

Semantic roles & 50–950 ramp

primary

#131A4E

secondary

#877D36

accent

#D144E4

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #131A4E

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

Preview Lab → · Contrast checker → · Palette generator →