#13173C#13173C

#13173C is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.5% C 0.070 H 274.6°. Best body text is #FFFFFF at 17.28:1 contrast (WCAG AA passes).

Color values

HEX	#13173C
RGB	rgb(19, 23, 60)
HSL	hsl(234, 52%, 15%)
HSV	hsv(234, 68%, 24%)
CMYK	cmyk(68.3%, 61.7%, 0%, 76.5%)
CIE-LAB	lab(9.62, 11.85, -24.50)
CIE-LCH	lch(9.62, 27.22, 295.81°)
OKLab	oklab(22.55% 0.0057 -0.0702)
OKLCH	oklch(22.55% 0.07 274.6)
XYZ	xyz(1.3903, 1.0774, 4.4088)
Luminance	0.0108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13173C #3C3813

analogous

#132B3C #13173C #23133C

triadic

#13173C #3C1317 #173C13

tetradic

#13173C #3C132B #3C3813 #133C23

square

#13173C #3C132B #3C3813 #133C23

split-complementary

#13173C #3C2313 #2B3C13

monochromatic

#070917 #070917 #13173C #22296A #303B99

Accessibility & contrast

On white

17.28

#13173C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#13173C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13173C

17.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13173C	#FFFFFF	#000000	##FFFFFF
##13173C	1.00	17.28	1.22	17.28
#FFFFFF	17.28	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#021D3D

Deuteranopia (green-blind)

#00193B

Tritanopia (blue-blind)

#002026

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #13173c;
/* rgb */ color: rgb(19, 23, 60);
/* oklch */ color: oklch(22.5% 0.070 274.6);

Tailwind

colors: {
  custom: {
    50: '#565372',
    500: '#13173c',
    950: '#000000',
  },
}

SCSS

$custom: #13173c;
$custom-light: #565372;
$custom-dark: #000000;

JSON

{
  "hex": "#13173c",
  "rgb": {
    "r": 19,
    "g": 23,
    "b": 60
  },
  "hsl": {
    "h": 234.146,
    "s": 51.899,
    "l": 15.49
  },
  "oklch": {
    "l": 0.22547,
    "c": 0.07046,
    "h": 274.6
  },
  "luminance": 0.01077
}

Semantic roles & 50–950 ramp

primary

#13173C

secondary

#746E36

accent

#CD4CDB

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030208

muted

#78787B

Preview Lab

Preview with #13173C

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

Preview Lab → · Contrast checker → · Palette generator →