#173477#173477

#173477 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 34.7% C 0.120 H 263.7°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#173477
RGB	rgb(23, 52, 119)
HSL	hsl(222, 68%, 28%)
HSV	hsv(222, 81%, 47%)
CMYK	cmyk(80.7%, 56.3%, 0%, 53.3%)
CIE-LAB	lab(23.57, 15.65, -41.45)
CIE-LCH	lch(23.57, 44.31, 290.69°)
OKLab	oklab(34.67% -0.0133 -0.1195)
OKLCH	oklch(34.67% 0.12 263.7)
XYZ	xyz(4.9099, 3.9695, 17.9566)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173477 #775A17

analogous

#176477 #173477 #2A1777

triadic

#173477 #771734 #347717

tetradic

#173477 #771764 #775A17 #17772A

square

#173477 #771764 #775A17 #17772A

split-complementary

#173477 #772A17 #647717

monochromatic

#050B1A #0D1E44 #173477 #214AAA #3163D7

Accessibility & contrast

On white

11.71

#173477 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#173477 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173477

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173477	#FFFFFF	#000000	##FFFFFF
##173477	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D79

Deuteranopia (green-blind)

#003476

Tritanopia (blue-blind)

#004450

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #173477;
/* rgb */ color: rgb(23, 52, 119);
/* oklch */ color: oklch(34.7% 0.120 263.7);

Tailwind

colors: {
  custom: {
    50: '#656a9f',
    500: '#173477',
    950: '#000000',
  },
}

SCSS

$custom: #173477;
$custom-light: #656a9f;
$custom-dark: #000000;

JSON

{
  "hex": "#173477",
  "rgb": {
    "r": 23,
    "g": 52,
    "b": 119
  },
  "hsl": {
    "h": 221.875,
    "s": 67.606,
    "l": 27.843
  },
  "oklch": {
    "l": 0.34667,
    "c": 0.12023,
    "h": 263.7
  },
  "luminance": 0.0397
}

Semantic roles & 50–950 ramp

primary

#173477

secondary

#AC8B3E

accent

#B63DEA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #173477

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

Preview Lab → · Contrast checker → · Palette generator →