#173472#173472

#173472 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.2% C 0.113 H 263.0°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#173472
RGB	rgb(23, 52, 114)
HSL	hsl(221, 66%, 27%)
HSV	hsv(221, 80%, 45%)
CMYK	cmyk(79.8%, 54.4%, 0%, 55.3%)
CIE-LAB	lab(23.18, 13.57, -38.90)
CIE-LCH	lch(23.18, 41.20, 289.24°)
OKLab	oklab(34.24% -0.0138 -0.112)
OKLCH	oklch(34.24% 0.113 263)
XYZ	xyz(4.6175, 3.8525, 16.4166)
Luminance	0.0385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173472 #725517

analogous

#176272 #173472 #281772

triadic

#173472 #721734 #347217

tetradic

#173472 #721762 #725517 #177228

square

#173472 #721762 #725517 #177228

split-complementary

#173472 #722817 #627217

monochromatic

#050C19 #0D1D3F #173472 #214BA5 #2E64D5

Accessibility & contrast

On white

11.86

#173472 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#173472 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173472

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173472	#FFFFFF	#000000	##FFFFFF
##173472	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A3C74

Deuteranopia (green-blind)

#003371

Tritanopia (blue-blind)

#00434D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #173472;
/* rgb */ color: rgb(23, 52, 114);
/* oklch */ color: oklch(34.2% 0.113 263.0);

Tailwind

colors: {
  custom: {
    50: '#636a9b',
    500: '#173472',
    950: '#000000',
  },
}

SCSS

$custom: #173472;
$custom-light: #636a9b;
$custom-dark: #000000;

JSON

{
  "hex": "#173472",
  "rgb": {
    "r": 23,
    "g": 52,
    "b": 114
  },
  "hsl": {
    "h": 220.879,
    "s": 66.423,
    "l": 26.863
  },
  "oklch": {
    "l": 0.34244,
    "c": 0.11284,
    "h": 263
  },
  "luminance": 0.03853
}

Semantic roles & 50–950 ramp

primary

#173472

secondary

#A8863D

accent

#B33EE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #173472

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

Preview Lab → · Contrast checker → · Palette generator →