#131D73#131D73

#131D73 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.5% C 0.145 H 269.1°. Best body text is #FFFFFF at 14.47:1 contrast (WCAG AA passes).

Color values

HEX	#131D73
RGB	rgb(19, 29, 115)
HSL	hsl(234, 72%, 26%)
HSV	hsv(234, 83%, 45%)
CMYK	cmyk(83.5%, 74.8%, 0%, 54.9%)
CIE-LAB	lab(16.77, 29.74, -50.02)
CIE-LCH	lch(16.77, 58.20, 300.73°)
OKLab	oklab(29.47% -0.0023 -0.1449)
OKLCH	oklch(29.47% 0.145 269.1)
XYZ	xyz(3.8014, 2.2545, 16.4512)
Luminance	0.0226 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131D73 #736913

analogous

#134D73 #131D73 #391373

triadic

#131D73 #73131D #1D7313

tetradic

#131D73 #73134D #736913 #137339

square

#131D73 #73134D #736913 #137339

split-complementary

#131D73 #733913 #4D7313

monochromatic

#04071A #0A103E #131D73 #1C2AA8 #2538DB

Accessibility & contrast

On white

14.47

#131D73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#131D73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131D73

14.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131D73	#FFFFFF	#000000	##FFFFFF
##131D73	1.00	14.47	1.45	14.47
#FFFFFF	14.47	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E76

Deuteranopia (green-blind)

#002571

Tritanopia (blue-blind)

#003546

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #131d73;
/* rgb */ color: rgb(19, 29, 115);
/* oklch */ color: oklch(29.5% 0.145 269.1);

Tailwind

colors: {
  custom: {
    50: '#64599c',
    500: '#131d73',
    950: '#000000',
  },
}

SCSS

$custom: #131d73;
$custom-light: #64599c;
$custom-dark: #000000;

JSON

{
  "hex": "#131d73",
  "rgb": {
    "r": 19,
    "g": 29,
    "b": 115
  },
  "hsl": {
    "h": 233.75,
    "s": 71.642,
    "l": 26.275
  },
  "oklch": {
    "l": 0.29472,
    "c": 0.14494,
    "h": 269.1
  },
  "luminance": 0.02255
}

Semantic roles & 50–950 ramp

primary

#131D73

secondary

#AA9E38

accent

#DC39EE

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #131D73

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

Preview Lab → · Contrast checker → · Palette generator →