#13173E#13173E

#13173E is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.7% C 0.074 H 274.5°. Best body text is #FFFFFF at 17.22:1 contrast (WCAG AA passes).

Color values

HEX	#13173E
RGB	rgb(19, 23, 62)
HSL	hsl(234, 53%, 16%)
HSV	hsv(234, 69%, 24%)
CMYK	cmyk(69.4%, 62.9%, 0%, 75.7%)
CIE-LAB	lab(9.79, 12.68, -25.66)
CIE-LCH	lch(9.79, 28.62, 296.30°)
OKLab	oklab(22.73% 0.0058 -0.0736)
OKLCH	oklch(22.73% 0.074 274.5)
XYZ	xyz(1.4442, 1.0989, 4.6925)
Luminance	0.0110 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13173E #3E3A13

analogous

#132C3E #13173E #24133E

triadic

#13173E #3E1317 #173E13

tetradic

#13173E #3E132C #3E3A13 #133E24

square

#13173E #3E132C #3E3A13 #133E24

split-complementary

#13173E #3E2413 #2C3E13

monochromatic

#070917 #070917 #13173E #21286D #303A9C

Accessibility & contrast

On white

17.22

#13173E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#13173E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13173E

17.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13173E	#FFFFFF	#000000	##FFFFFF
##13173E	1.00	17.22	1.22	17.22
#FFFFFF	17.22	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D3F

Deuteranopia (green-blind)

#00193D

Tritanopia (blue-blind)

#002027

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #13173e;
/* rgb */ color: rgb(19, 23, 62);
/* oklch */ color: oklch(22.7% 0.074 274.5);

Tailwind

colors: {
  custom: {
    50: '#565374',
    500: '#13173e',
    950: '#000000',
  },
}

SCSS

$custom: #13173e;
$custom-light: #565374;
$custom-dark: #000000;

JSON

{
  "hex": "#13173e",
  "rgb": {
    "r": 19,
    "g": 23,
    "b": 62
  },
  "hsl": {
    "h": 234.419,
    "s": 53.086,
    "l": 15.882
  },
  "oklch": {
    "l": 0.22728,
    "c": 0.07385,
    "h": 274.5
  },
  "luminance": 0.01099
}

Semantic roles & 50–950 ramp

primary

#13173E

secondary

#777136

accent

#CF4BDC

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #13173E

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

Preview Lab → · Contrast checker → · Palette generator →