#173186#173186

#173186 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.4% C 0.146 H 265.9°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#173186
RGB	rgb(23, 49, 134)
HSL	hsl(226, 71%, 31%)
HSV	hsv(226, 83%, 53%)
CMYK	cmyk(82.8%, 63.4%, 0%, 47.5%)
CIE-LAB	lab(24.00, 23.92, -50.22)
CIE-LCH	lch(24.00, 55.62, 295.47°)
OKLab	oklab(35.39% -0.0104 -0.1453)
OKLCH	oklch(35.39% 0.146 265.9)
XYZ	xyz(5.7532, 4.0993, 23.0377)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173186 #866C17

analogous

#176886 #173186 #341786

triadic

#173186 #861731 #318617

tetradic

#173186 #861768 #866C17 #178634

square

#173186 #861768 #866C17 #178634

split-complementary

#173186 #863417 #688617

monochromatic

#050B1E #0E1E52 #173186 #2044BA #3A60DD

Accessibility & contrast

On white

11.54

#173186 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#173186 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173186

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173186	#FFFFFF	#000000	##FFFFFF
##173186	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E89

Deuteranopia (green-blind)

#003484

Tritanopia (blue-blind)

#004756

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #173186;
/* rgb */ color: rgb(23, 49, 134);
/* oklch */ color: oklch(35.4% 0.146 265.9);

Tailwind

colors: {
  custom: {
    50: '#6968aa',
    500: '#173186',
    950: '#000000',
  },
}

SCSS

$custom: #173186;
$custom-light: #6968aa;
$custom-dark: #000000;

JSON

{
  "hex": "#173186",
  "rgb": {
    "r": 23,
    "g": 49,
    "b": 134
  },
  "hsl": {
    "h": 225.946,
    "s": 70.701,
    "l": 30.784
  },
  "oklch": {
    "l": 0.35386,
    "c": 0.14566,
    "h": 265.9
  },
  "luminance": 0.041
}

Semantic roles & 50–950 ramp

primary

#173186

secondary

#BA9D3F

accent

#C43AED

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #173186

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

Preview Lab → · Contrast checker → · Palette generator →