#173569#173569

#173569 is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.8% C 0.098 H 260.6°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#173569
RGB	rgb(23, 53, 105)
HSL	hsl(218, 64%, 25%)
HSV	hsv(218, 78%, 41%)
CMYK	cmyk(78.1%, 49.5%, 0%, 58.8%)
CIE-LAB	lab(22.82, 9.10, -33.69)
CIE-LCH	lch(22.82, 34.90, 285.11°)
OKLab	oklab(33.76% -0.0161 -0.0966)
OKLCH	oklch(33.76% 0.098 260.6)
XYZ	xyz(4.1753, 3.7478, 13.8652)
Luminance	0.0375 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173569 #694B17

analogous

#175E69 #173569 #221769

triadic

#173569 #691735 #356917

tetradic

#173569 #69175E #694B17 #176922

square

#173569 #69175E #694B17 #176922

split-complementary

#173569 #692217 #5E6917

monochromatic

#050D19 #0C1C37 #173569 #224E9B #2D68CD

Accessibility & contrast

On white

12.00

#173569 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#173569 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173569

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173569	#FFFFFF	#000000	##FFFFFF
##173569	1.00	12.00	1.75	12.00
#FFFFFF	12.00	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#193A6B

Deuteranopia (green-blind)

#053368

Tritanopia (blue-blind)

#00414A

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #173569;
/* rgb */ color: rgb(23, 53, 105);
/* oklch */ color: oklch(33.8% 0.098 260.6);

Tailwind

colors: {
  custom: {
    50: '#616b94',
    500: '#173569',
    950: '#000000',
  },
}

SCSS

$custom: #173569;
$custom-light: #616b94;
$custom-dark: #000000;

JSON

{
  "hex": "#173569",
  "rgb": {
    "r": 23,
    "g": 53,
    "b": 105
  },
  "hsl": {
    "h": 218.049,
    "s": 64.063,
    "l": 25.098
  },
  "oklch": {
    "l": 0.33757,
    "c": 0.09797,
    "h": 260.6
  },
  "luminance": 0.03748
}

Semantic roles & 50–950 ramp

primary

#173569

secondary

#9F7B3D

accent

#AA41E7

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#05060D

muted

#7A7A7E

Preview Lab

Preview with #173569

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

Preview Lab → · Contrast checker → · Palette generator →