#131A43#131A43

#131A43 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 23.9% C 0.078 H 271.9°. Best body text is #FFFFFF at 16.71:1 contrast (WCAG AA passes).

Color values

HEX	#131A43
RGB	rgb(19, 26, 67)
HSL	hsl(231, 56%, 17%)
HSV	hsv(231, 72%, 26%)
CMYK	cmyk(71.6%, 61.2%, 0%, 73.7%)
CIE-LAB	lab(11.15, 12.45, -26.98)
CIE-LCH	lch(11.15, 29.72, 294.77°)
OKLab	oklab(23.88% 0.0026 -0.0775)
OKLCH	oklch(23.88% 0.078 271.9)
XYZ	xyz(1.6507, 1.2823, 5.4696)
Luminance	0.0128 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131A43 #433C13

analogous

#133243 #131A43 #241343

triadic

#131A43 #43131A #1A4313

tetradic

#131A43 #431332 #433C13 #134324

square

#131A43 #431332 #433C13 #134324

split-complementary

#131A43 #432413 #324313

monochromatic

#070918 #070918 #131A43 #212D73 #2E3FA2

Accessibility & contrast

On white

16.71

#131A43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#131A43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131A43

16.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131A43	#FFFFFF	#000000	##FFFFFF
##131A43	1.00	16.71	1.26	16.71
#FFFFFF	16.71	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#012044

Deuteranopia (green-blind)

#001C42

Tritanopia (blue-blind)

#00242B

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #131a43;
/* rgb */ color: rgb(19, 26, 67);
/* oklch */ color: oklch(23.9% 0.078 271.9);

Tailwind

colors: {
  custom: {
    50: '#575677',
    500: '#131a43',
    950: '#000000',
  },
}

SCSS

$custom: #131a43;
$custom-light: #575677;
$custom-dark: #000000;

JSON

{
  "hex": "#131a43",
  "rgb": {
    "r": 19,
    "g": 26,
    "b": 67
  },
  "hsl": {
    "h": 231.25,
    "s": 55.814,
    "l": 16.863
  },
  "oklch": {
    "l": 0.23884,
    "c": 0.07752,
    "h": 271.9
  },
  "luminance": 0.01282
}

Semantic roles & 50–950 ramp

primary

#131A43

secondary

#7C7236

accent

#C949DF

background

#F5F5F7

surface

#E9E8ED

border

#C5C4C8

text

#030309

muted

#78787B

Preview Lab

Preview with #131A43

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

Preview Lab → · Contrast checker → · Palette generator →