#173368#173368

#173368 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.2% C 0.099 H 261.7°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#173368
RGB	rgb(23, 51, 104)
HSL	hsl(219, 64%, 25%)
HSV	hsv(219, 78%, 41%)
CMYK	cmyk(77.9%, 51%, 0%, 59.2%)
CIE-LAB	lab(22.12, 10.11, -34.17)
CIE-LCH	lch(22.12, 35.63, 286.49°)
OKLab	oklab(33.2% -0.0143 -0.0981)
OKLCH	oklch(33.2% 0.099 261.7)
XYZ	xyz(4.0350, 3.5488, 13.5664)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173368 #684C17

analogous

#175C68 #173368 #231768

triadic

#173368 #681733 #336817

tetradic

#173368 #68175C #684C17 #176823

square

#173368 #68175C #684C17 #176823

split-complementary

#173368 #682317 #5C6817

monochromatic

#060C19 #0C1A36 #173368 #224C9A #2D64CC

Accessibility & contrast

On white

12.28

#173368 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#173368 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173368

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173368	#FFFFFF	#000000	##FFFFFF
##173368	1.00	12.28	1.71	12.28
#FFFFFF	12.28	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16396A

Deuteranopia (green-blind)

#003167

Tritanopia (blue-blind)

#004048

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #173368;
/* rgb */ color: rgb(23, 51, 104);
/* oklch */ color: oklch(33.2% 0.099 261.7);

Tailwind

colors: {
  custom: {
    50: '#616a93',
    500: '#173368',
    950: '#000000',
  },
}

SCSS

$custom: #173368;
$custom-light: #616a93;
$custom-dark: #000000;

JSON

{
  "hex": "#173368",
  "rgb": {
    "r": 23,
    "g": 51,
    "b": 104
  },
  "hsl": {
    "h": 219.259,
    "s": 63.78,
    "l": 24.902
  },
  "oklch": {
    "l": 0.33197,
    "c": 0.09912,
    "h": 261.7
  },
  "luminance": 0.03549
}

Semantic roles & 50–950 ramp

primary

#173368

secondary

#9E7C3D

accent

#AD41E7

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#05060D

muted

#7A7A7E

Preview Lab

Preview with #173368

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

Preview Lab → · Contrast checker → · Palette generator →