#171353#171353

#171353 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.4% C 0.111 H 277.0°. Best body text is #FFFFFF at 16.74:1 contrast (WCAG AA passes).

Color values

HEX	#171353
RGB	rgb(23, 19, 83)
HSL	hsl(244, 63%, 20%)
HSV	hsv(244, 77%, 33%)
CMYK	cmyk(72.3%, 77.1%, 0%, 67.5%)
CIE-LAB	lab(11.08, 24.62, -38.16)
CIE-LCH	lch(11.08, 45.41, 302.82°)
OKLab	oklab(24.39% 0.0136 -0.1102)
OKLCH	oklch(24.39% 0.111 277)
XYZ	xyz(2.1470, 1.2723, 8.3144)
Luminance	0.0127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171353 #4F5313

analogous

#132F53 #171353 #371353

triadic

#171353 #531713 #135317

tetradic

#171353 #53132F #4F5313 #135337

square

#171353 #53132F #4F5313 #135337

split-complementary

#171353 #533713 #2F5313

monochromatic

#070619 #090821 #171353 #251E85 #332AB7

Accessibility & contrast

On white

16.74

#171353 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#171353 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171353

16.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171353	#FFFFFF	#000000	##FFFFFF
##171353	1.00	16.74	1.25	16.74
#FFFFFF	16.74	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002055

Deuteranopia (green-blind)

#001B52

Tritanopia (blue-blind)

#002531

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #171353;
/* rgb */ color: rgb(23, 19, 83);
/* oklch */ color: oklch(24.4% 0.111 277.0);

Tailwind

colors: {
  custom: {
    50: '#5e5184',
    500: '#171353',
    950: '#000000',
  },
}

SCSS

$custom: #171353;
$custom-light: #5e5184;
$custom-dark: #000000;

JSON

{
  "hex": "#171353",
  "rgb": {
    "r": 23,
    "g": 19,
    "b": 83
  },
  "hsl": {
    "h": 243.75,
    "s": 62.745,
    "l": 20
  },
  "oklch": {
    "l": 0.24394,
    "c": 0.11104,
    "h": 277
  },
  "luminance": 0.01272
}

Semantic roles & 50–950 ramp

primary

#171353

secondary

#868B36

accent

#E642DC

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #171353

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

Preview Lab → · Contrast checker → · Palette generator →