#172373#172373

#172373 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.8% C 0.137 H 269.4°. Best body text is #FFFFFF at 13.78:1 contrast (WCAG AA passes).

Color values

HEX	#172373
RGB	rgb(23, 35, 115)
HSL	hsl(232, 67%, 27%)
HSV	hsv(232, 80%, 45%)
CMYK	cmyk(80%, 69.6%, 0%, 54.9%)
CIE-LAB	lab(18.46, 26.07, -47.23)
CIE-LCH	lch(18.46, 53.95, 298.90°)
OKLab	oklab(30.75% -0.0013 -0.1367)
OKLCH	oklch(30.75% 0.137 269.4)
XYZ	xyz(4.0478, 2.6216, 16.5090)
Luminance	0.0262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172373 #736717

analogous

#175173 #172373 #391773

triadic

#172373 #731723 #237317

tetradic

#172373 #731751 #736717 #177339

square

#172373 #731751 #736717 #177339

split-complementary

#172373 #733917 #517317

monochromatic

#05081A #0D1340 #172373 #2133A6 #2F45D5

Accessibility & contrast

On white

13.78

#172373 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#172373 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172373

13.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172373	#FFFFFF	#000000	##FFFFFF
##172373	1.00	13.78	1.52	13.78
#FFFFFF	13.78	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003175

Deuteranopia (green-blind)

#002972

Tritanopia (blue-blind)

#003947

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #172373;
/* rgb */ color: rgb(23, 35, 115);
/* oklch */ color: oklch(30.8% 0.137 269.4);

Tailwind

colors: {
  custom: {
    50: '#655e9c',
    500: '#172373',
    950: '#000000',
  },
}

SCSS

$custom: #172373;
$custom-light: #655e9c;
$custom-dark: #000000;

JSON

{
  "hex": "#172373",
  "rgb": {
    "r": 23,
    "g": 35,
    "b": 115
  },
  "hsl": {
    "h": 232.174,
    "s": 66.667,
    "l": 27.059
  },
  "oklch": {
    "l": 0.30751,
    "c": 0.1367,
    "h": 269.4
  },
  "luminance": 0.02622
}

Semantic roles & 50–950 ramp

primary

#172373

secondary

#A99B3D

accent

#D33EEA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #172373

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

Preview Lab → · Contrast checker → · Palette generator →