#13173A#13173A

#13173A is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.4% C 0.067 H 274.7°. Best body text is #FFFFFF at 17.34:1 contrast (WCAG AA passes).

Color values

HEX	#13173A
RGB	rgb(19, 23, 58)
HSL	hsl(234, 51%, 15%)
HSV	hsv(234, 67%, 23%)
CMYK	cmyk(67.2%, 60.3%, 0%, 77.3%)
CIE-LAB	lab(9.45, 11.02, -23.34)
CIE-LCH	lch(9.45, 25.81, 295.28°)
OKLab	oklab(22.37% 0.0055 -0.0668)
OKLCH	oklch(22.37% 0.067 274.7)
XYZ	xyz(1.3384, 1.0566, 4.1356)
Luminance	0.0106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13173A #3A3613

analogous

#132A3A #13173A #22133A

triadic

#13173A #3A1317 #173A13

tetradic

#13173A #3A132A #3A3613 #133A22

square

#13173A #3A132A #3A3613 #133A22

split-complementary

#13173A #3A2213 #2A3A13

monochromatic

#080917 #080917 #13173A #222968 #313C96

Accessibility & contrast

On white

17.34

#13173A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#13173A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13173A

17.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13173A	#FFFFFF	#000000	##FFFFFF
##13173A	1.00	17.34	1.21	17.34
#FFFFFF	17.34	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#041C3B

Deuteranopia (green-blind)

#001939

Tritanopia (blue-blind)

#001F25

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #13173a;
/* rgb */ color: rgb(19, 23, 58);
/* oklch */ color: oklch(22.4% 0.067 274.7);

Tailwind

colors: {
  custom: {
    50: '#555370',
    500: '#13173a',
    950: '#000000',
  },
}

SCSS

$custom: #13173a;
$custom-light: #555370;
$custom-dark: #000000;

JSON

{
  "hex": "#13173a",
  "rgb": {
    "r": 19,
    "g": 23,
    "b": 58
  },
  "hsl": {
    "h": 233.846,
    "s": 50.649,
    "l": 15.098
  },
  "oklch": {
    "l": 0.2237,
    "c": 0.06704,
    "h": 274.7
  },
  "luminance": 0.01057
}

Semantic roles & 50–950 ramp

primary

#13173A

secondary

#726C36

accent

#CC4EDA

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030207

muted

#78787A

Preview Lab

Preview with #13173A

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

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