#171453#171453

#171453 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.6% C 0.110 H 276.7°. Best body text is #FFFFFF at 16.65:1 contrast (WCAG AA passes).

Color values

HEX	#171453
RGB	rgb(23, 20, 83)
HSL	hsl(243, 61%, 20%)
HSV	hsv(243, 76%, 33%)
CMYK	cmyk(72.3%, 75.9%, 0%, 67.5%)
CIE-LAB	lab(11.32, 23.95, -37.76)
CIE-LCH	lch(11.32, 44.71, 302.38°)
OKLab	oklab(24.57% 0.0128 -0.109)
OKLCH	oklch(24.57% 0.11 276.7)
XYZ	xyz(2.1643, 1.3068, 8.3201)
Luminance	0.0131 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171453 #505314

analogous

#143053 #171453 #361453

triadic

#171453 #531714 #145317

tetradic

#171453 #531430 #505314 #145336

square

#171453 #531430 #505314 #145336

split-complementary

#171453 #533614 #305314

monochromatic

#070619 #090822 #171453 #252084 #322CB6

Accessibility & contrast

On white

16.65

#171453 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#171453 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171453

16.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171453	#FFFFFF	#000000	##FFFFFF
##171453	1.00	16.65	1.26	16.65
#FFFFFF	16.65	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002155

Deuteranopia (green-blind)

#001B52

Tritanopia (blue-blind)

#002531

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #171453;
/* rgb */ color: rgb(23, 20, 83);
/* oklch */ color: oklch(24.6% 0.110 276.7);

Tailwind

colors: {
  custom: {
    50: '#5e5284',
    500: '#171453',
    950: '#000000',
  },
}

SCSS

$custom: #171453;
$custom-light: #5e5284;
$custom-dark: #000000;

JSON

{
  "hex": "#171453",
  "rgb": {
    "r": 23,
    "g": 20,
    "b": 83
  },
  "hsl": {
    "h": 242.857,
    "s": 61.165,
    "l": 20.196
  },
  "oklch": {
    "l": 0.24568,
    "c": 0.10978,
    "h": 276.7
  },
  "luminance": 0.01307
}

Semantic roles & 50–950 ramp

primary

#171453

secondary

#878B38

accent

#E444DD

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #171453

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

Preview Lab → · Contrast checker → · Palette generator →