#173286#173286

#173286 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.6% C 0.144 H 265.6°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#173286
RGB	rgb(23, 50, 134)
HSL	hsl(225, 71%, 31%)
HSV	hsv(225, 83%, 53%)
CMYK	cmyk(82.8%, 62.7%, 0%, 47.5%)
CIE-LAB	lab(24.27, 23.22, -49.77)
CIE-LCH	lch(24.27, 54.92, 295.01°)
OKLab	oklab(35.59% -0.0111 -0.144)
OKLCH	oklch(35.59% 0.144 265.6)
XYZ	xyz(5.7955, 4.1839, 23.0518)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173286 #866B17

analogous

#176986 #173286 #331786

triadic

#173286 #861732 #328617

tetradic

#173286 #861769 #866B17 #178633

square

#173286 #861769 #866B17 #178633

split-complementary

#173286 #863317 #698617

monochromatic

#050B1E #0E1F52 #173286 #2045BA #3A62DD

Accessibility & contrast

On white

11.43

#173286 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#173286 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173286

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173286	#FFFFFF	#000000	##FFFFFF
##173286	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F89

Deuteranopia (green-blind)

#003584

Tritanopia (blue-blind)

#004857

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #173286;
/* rgb */ color: rgb(23, 50, 134);
/* oklch */ color: oklch(35.6% 0.144 265.6);

Tailwind

colors: {
  custom: {
    50: '#6969aa',
    500: '#173286',
    950: '#000000',
  },
}

SCSS

$custom: #173286;
$custom-light: #6969aa;
$custom-dark: #000000;

JSON

{
  "hex": "#173286",
  "rgb": {
    "r": 23,
    "g": 50,
    "b": 134
  },
  "hsl": {
    "h": 225.405,
    "s": 70.701,
    "l": 30.784
  },
  "oklch": {
    "l": 0.35589,
    "c": 0.14438,
    "h": 265.6
  },
  "luminance": 0.04185
}

Semantic roles & 50–950 ramp

primary

#173286

secondary

#BA9C3F

accent

#C23AED

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #173286

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

Preview Lab → · Contrast checker → · Palette generator →