#173086#173086

#173086 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.2% C 0.147 H 266.2°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#173086
RGB	rgb(23, 48, 134)
HSL	hsl(226, 71%, 31%)
HSV	hsv(226, 83%, 53%)
CMYK	cmyk(82.8%, 64.2%, 0%, 47.5%)
CIE-LAB	lab(23.73, 24.61, -50.66)
CIE-LCH	lch(23.73, 56.32, 295.91°)
OKLab	oklab(35.19% -0.0098 -0.1466)
OKLCH	oklch(35.19% 0.147 266.2)
XYZ	xyz(5.7119, 4.0166, 23.0239)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173086 #866D17

analogous

#176786 #173086 #351786

triadic

#173086 #861730 #308617

tetradic

#173086 #861767 #866D17 #178635

square

#173086 #861767 #866D17 #178635

split-complementary

#173086 #863517 #678617

monochromatic

#050B1E #0E1D52 #173086 #2043BA #3A5FDD

Accessibility & contrast

On white

11.64

#173086 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#173086 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173086

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173086	#FFFFFF	#000000	##FFFFFF
##173086	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E89

Deuteranopia (green-blind)

#003384

Tritanopia (blue-blind)

#004656

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #173086;
/* rgb */ color: rgb(23, 48, 134);
/* oklch */ color: oklch(35.2% 0.147 266.2);

Tailwind

colors: {
  custom: {
    50: '#6968aa',
    500: '#173086',
    950: '#000000',
  },
}

SCSS

$custom: #173086;
$custom-light: #6968aa;
$custom-dark: #000000;

JSON

{
  "hex": "#173086",
  "rgb": {
    "r": 23,
    "g": 48,
    "b": 134
  },
  "hsl": {
    "h": 226.486,
    "s": 70.701,
    "l": 30.784
  },
  "oklch": {
    "l": 0.35185,
    "c": 0.14692,
    "h": 266.2
  },
  "luminance": 0.04017
}

Semantic roles & 50–950 ramp

primary

#173086

secondary

#BA9E3F

accent

#C53AED

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #173086

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

Preview Lab → · Contrast checker → · Palette generator →