#173290#173290

#173290 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.6% C 0.158 H 266.0°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#173290
RGB	rgb(23, 50, 144)
HSL	hsl(227, 72%, 33%)
HSV	hsv(227, 84%, 56%)
CMYK	cmyk(84%, 65.3%, 0%, 43.5%)
CIE-LAB	lab(25.19, 27.21, -54.48)
CIE-LCH	lch(25.19, 60.90, 296.54°)
OKLab	oklab(36.55% -0.0111 -0.1578)
OKLCH	oklch(36.55% 0.158 266)
XYZ	xyz(6.5262, 4.4762, 26.9002)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173290 #907517

analogous

#176E90 #173290 #391790

triadic

#173290 #901732 #329017

tetradic

#173290 #90176E #907517 #179039

square

#173290 #90176E #907517 #179039

split-complementary

#173290 #903917 #6E9017

monochromatic

#060D26 #0F205B #173290 #1F44C5 #4164E1

Accessibility & contrast

On white

11.08

#173290 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#173290 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173290

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173290	#FFFFFF	#000000	##FFFFFF
##173290	1.00	11.08	1.90	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004293

Deuteranopia (green-blind)

#00368E

Tritanopia (blue-blind)

#004B5C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #173290;
/* rgb */ color: rgb(23, 50, 144);
/* oklch */ color: oklch(36.6% 0.158 266.0);

Tailwind

colors: {
  custom: {
    50: '#6c69b1',
    500: '#173290',
    950: '#000000',
  },
}

SCSS

$custom: #173290;
$custom-light: #6c69b1;
$custom-dark: #000000;

JSON

{
  "hex": "#173290",
  "rgb": {
    "r": 23,
    "g": 50,
    "b": 144
  },
  "hsl": {
    "h": 226.612,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.36551,
    "c": 0.15815,
    "h": 266
  },
  "luminance": 0.04477
}

Semantic roles & 50–950 ramp

primary

#173290

secondary

#C1A542

accent

#C639EF

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #173290

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

Preview Lab → · Contrast checker → · Palette generator →