#173285#173285

#173285 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.5% C 0.143 H 265.6°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#173285
RGB	rgb(23, 50, 133)
HSL	hsl(225, 71%, 31%)
HSV	hsv(225, 83%, 52%)
CMYK	cmyk(82.7%, 62.4%, 0%, 47.8%)
CIE-LAB	lab(24.18, 22.82, -49.29)
CIE-LCH	lch(24.18, 54.31, 294.84°)
OKLab	oklab(35.49% -0.0111 -0.1425)
OKLCH	oklch(35.49% 0.143 265.6)
XYZ	xyz(5.7261, 4.1561, 22.6862)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173285 #856A17

analogous

#176985 #173285 #331785

triadic

#173285 #851732 #328517

tetradic

#173285 #851769 #856A17 #178533

square

#173285 #851769 #856A17 #178533

split-complementary

#173285 #853317 #698517

monochromatic

#050B1D #0E1E51 #173285 #2046B9 #3A62DD

Accessibility & contrast

On white

11.47

#173285 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#173285 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173285

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173285	#FFFFFF	#000000	##FFFFFF
##173285	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F88

Deuteranopia (green-blind)

#003583

Tritanopia (blue-blind)

#004756

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #173285;
/* rgb */ color: rgb(23, 50, 133);
/* oklch */ color: oklch(35.5% 0.143 265.6);

Tailwind

colors: {
  custom: {
    50: '#6969a9',
    500: '#173285',
    950: '#000000',
  },
}

SCSS

$custom: #173285;
$custom-light: #6969a9;
$custom-dark: #000000;

JSON

{
  "hex": "#173285",
  "rgb": {
    "r": 23,
    "g": 50,
    "b": 133
  },
  "hsl": {
    "h": 225.273,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.35495,
    "c": 0.14298,
    "h": 265.6
  },
  "luminance": 0.04157
}

Semantic roles & 50–950 ramp

primary

#173285

secondary

#B99B3F

accent

#C13BED

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #173285

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

Preview Lab → · Contrast checker → · Palette generator →