#13174A#13174A

#13174A is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.9% C 0.093 H 273.5°. Best body text is #FFFFFF at 16.81:1 contrast (WCAG AA passes).

Color values

HEX	#13174A
RGB	rgb(19, 23, 74)
HSL	hsl(236, 59%, 18%)
HSV	hsv(236, 74%, 29%)
CMYK	cmyk(74.3%, 68.9%, 0%, 71%)
CIE-LAB	lab(10.89, 17.64, -32.29)
CIE-LCH	lch(10.89, 36.79, 298.64°)
OKLab	oklab(23.89% 0.0057 -0.0931)
OKLCH	oklch(23.89% 0.093 273.5)
XYZ	xyz(1.8106, 1.2455, 6.6222)
Luminance	0.0125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13174A #4A4613

analogous

#13324A #13174A #2A134A

triadic

#13174A #4A1317 #174A13

tetradic

#13174A #4A1332 #4A4613 #134A2A

square

#13174A #4A1332 #4A4613 #134A2A

split-complementary

#13174A #4A2A13 #324A13

monochromatic

#060818 #060819 #13174A #20267B #2C35AB

Accessibility & contrast

On white

16.81

#13174A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#13174A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13174A

16.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13174A	#FFFFFF	#000000	##FFFFFF
##13174A	1.00	16.81	1.25	16.81
#FFFFFF	16.81	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00204C

Deuteranopia (green-blind)

#001B49

Tritanopia (blue-blind)

#00242D

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #13174a;
/* rgb */ color: rgb(19, 23, 74);
/* oklch */ color: oklch(23.9% 0.093 273.5);

Tailwind

colors: {
  custom: {
    50: '#59537d',
    500: '#13174a',
    950: '#000000',
  },
}

SCSS

$custom: #13174a;
$custom-light: #59537d;
$custom-dark: #000000;

JSON

{
  "hex": "#13174a",
  "rgb": {
    "r": 19,
    "g": 23,
    "b": 74
  },
  "hsl": {
    "h": 235.636,
    "s": 59.14,
    "l": 18.235
  },
  "oklch": {
    "l": 0.23888,
    "c": 0.09331,
    "h": 273.5
  },
  "luminance": 0.01246
}

Semantic roles & 50–950 ramp

primary

#13174A

secondary

#837D36

accent

#D745E2

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #13174A

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

Preview Lab → · Contrast checker → · Palette generator →