#13174B#13174B

#13174B is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.0% C 0.095 H 273.4°. Best body text is #FFFFFF at 16.78:1 contrast (WCAG AA passes).

Color values

HEX	#13174B
RGB	rgb(19, 23, 75)
HSL	hsl(236, 60%, 18%)
HSV	hsv(236, 75%, 29%)
CMYK	cmyk(74.7%, 69.3%, 0%, 70.6%)
CIE-LAB	lab(10.99, 18.04, -32.83)
CIE-LCH	lch(10.99, 37.46, 298.80°)
OKLab	oklab(23.99% 0.0057 -0.0947)
OKLCH	oklch(23.99% 0.095 273.4)
XYZ	xyz(1.8445, 1.2591, 6.8011)
Luminance	0.0126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13174B #4B4713

analogous

#13334B #13174B #2B134B

triadic

#13174B #4B1317 #174B13

tetradic

#13174B #4B1333 #4B4713 #134B2B

square

#13174B #4B1333 #4B4713 #134B2B

split-complementary

#13174B #4B2B13 #334B13

monochromatic

#060718 #07081A #13174B #1F267C #2C35AD

Accessibility & contrast

On white

16.78

#13174B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#13174B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13174B

16.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13174B	#FFFFFF	#000000	##FFFFFF
##13174B	1.00	16.78	1.25	16.78
#FFFFFF	16.78	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00204D

Deuteranopia (green-blind)

#001B4A

Tritanopia (blue-blind)

#00242E

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #13174b;
/* rgb */ color: rgb(19, 23, 75);
/* oklch */ color: oklch(24.0% 0.095 273.4);

Tailwind

colors: {
  custom: {
    50: '#5a547e',
    500: '#13174b',
    950: '#000000',
  },
}

SCSS

$custom: #13174b;
$custom-light: #5a547e;
$custom-dark: #000000;

JSON

{
  "hex": "#13174b",
  "rgb": {
    "r": 19,
    "g": 23,
    "b": 75
  },
  "hsl": {
    "h": 235.714,
    "s": 59.574,
    "l": 18.431
  },
  "oklch": {
    "l": 0.2399,
    "c": 0.09486,
    "h": 273.4
  },
  "luminance": 0.01259
}

Semantic roles & 50–950 ramp

primary

#13174B

secondary

#847E36

accent

#D745E3

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #13174B

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

Preview Lab → · Contrast checker → · Palette generator →