#13173D#13173D

#13173D is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.6% C 0.072 H 274.6°. Best body text is #FFFFFF at 17.25:1 contrast (WCAG AA passes).

Color values

HEX	#13173D
RGB	rgb(19, 23, 61)
HSL	hsl(234, 53%, 16%)
HSV	hsv(234, 69%, 24%)
CMYK	cmyk(68.9%, 62.3%, 0%, 76.1%)
CIE-LAB	lab(9.70, 12.26, -25.08)
CIE-LCH	lch(9.70, 27.92, 296.05°)
OKLab	oklab(22.64% 0.0057 -0.0719)
OKLCH	oklch(22.64% 0.072 274.6)
XYZ	xyz(1.4170, 1.0881, 4.5493)
Luminance	0.0109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13173D #3D3913

analogous

#132C3D #13173D #24133D

triadic

#13173D #3D1317 #173D13

tetradic

#13173D #3D132C #3D3913 #133D24

square

#13173D #3D132C #3D3913 #133D24

split-complementary

#13173D #3D2413 #2C3D13

monochromatic

#070917 #070917 #13173D #22296C #303A9A

Accessibility & contrast

On white

17.25

#13173D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#13173D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13173D

17.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13173D	#FFFFFF	#000000	##FFFFFF
##13173D	1.00	17.25	1.22	17.25
#FFFFFF	17.25	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#011D3E

Deuteranopia (green-blind)

#00193C

Tritanopia (blue-blind)

#002027

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #13173d;
/* rgb */ color: rgb(19, 23, 61);
/* oklch */ color: oklch(22.6% 0.072 274.6);

Tailwind

colors: {
  custom: {
    50: '#565373',
    500: '#13173d',
    950: '#000000',
  },
}

SCSS

$custom: #13173d;
$custom-light: #565373;
$custom-dark: #000000;

JSON

{
  "hex": "#13173d",
  "rgb": {
    "r": 19,
    "g": 23,
    "b": 61
  },
  "hsl": {
    "h": 234.286,
    "s": 52.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.22637,
    "c": 0.07216,
    "h": 274.6
  },
  "luminance": 0.01088
}

Semantic roles & 50–950 ramp

primary

#13173D

secondary

#756F36

accent

#CE4CDC

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #13173D

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

Preview Lab → · Contrast checker → · Palette generator →