#173169#173169

#173169 is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.8% C 0.103 H 263.2°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#173169
RGB	rgb(23, 49, 105)
HSL	hsl(221, 64%, 25%)
HSV	hsv(221, 78%, 41%)
CMYK	cmyk(78.1%, 53.3%, 0%, 58.8%)
CIE-LAB	lab(21.57, 11.97, -35.70)
CIE-LCH	lch(21.57, 37.65, 288.54°)
OKLab	oklab(32.8% -0.0123 -0.1026)
OKLCH	oklch(32.8% 0.103 263.2)
XYZ	xyz(4.0006, 3.3983, 13.8070)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173169 #694F17

analogous

#175A69 #173169 #261769

triadic

#173169 #691731 #316917

tetradic

#173169 #69175A #694F17 #176926

square

#173169 #69175A #694F17 #176926

split-complementary

#173169 #692617 #5A6917

monochromatic

#050C19 #0C1A37 #173169 #22489B #2D60CD

Accessibility & contrast

On white

12.50

#173169 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#173169 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173169

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173169	#FFFFFF	#000000	##FFFFFF
##173169	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F386B

Deuteranopia (green-blind)

#003068

Tritanopia (blue-blind)

#003E48

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #173169;
/* rgb */ color: rgb(23, 49, 105);
/* oklch */ color: oklch(32.8% 0.103 263.2);

Tailwind

colors: {
  custom: {
    50: '#616894',
    500: '#173169',
    950: '#000000',
  },
}

SCSS

$custom: #173169;
$custom-light: #616894;
$custom-dark: #000000;

JSON

{
  "hex": "#173169",
  "rgb": {
    "r": 23,
    "g": 49,
    "b": 105
  },
  "hsl": {
    "h": 220.976,
    "s": 64.063,
    "l": 25.098
  },
  "oklch": {
    "l": 0.32803,
    "c": 0.10337,
    "h": 263.2
  },
  "luminance": 0.03399
}

Semantic roles & 50–950 ramp

primary

#173169

secondary

#9F803D

accent

#B241E7

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #173169

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

Preview Lab → · Contrast checker → · Palette generator →