#173886#173886

#173886 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.9% C 0.137 H 263.7°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#173886
RGB	rgb(23, 56, 134)
HSL	hsl(222, 71%, 31%)
HSV	hsv(222, 83%, 53%)
CMYK	cmyk(82.8%, 58.2%, 0%, 47.5%)
CIE-LAB	lab(25.95, 19.01, -47.02)
CIE-LCH	lch(25.95, 50.72, 292.01°)
OKLab	oklab(36.85% -0.015 -0.1358)
OKLCH	oklch(36.85% 0.137 263.7)
XYZ	xyz(6.0691, 4.7310, 23.1429)
Luminance	0.0473 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173886 #866517

analogous

#176F86 #173886 #2D1786

triadic

#173886 #861738 #388617

tetradic

#173886 #86176F #866517 #17862D

square

#173886 #86176F #866517 #17862D

split-complementary

#173886 #862D17 #6F8617

monochromatic

#050C1E #0E2252 #173886 #204EBA #3A6BDD

Accessibility & contrast

On white

10.79

#173886 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#173886 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173886

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173886	#FFFFFF	#000000	##FFFFFF
##173886	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004389

Deuteranopia (green-blind)

#003984

Tritanopia (blue-blind)

#004C59

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #173886;
/* rgb */ color: rgb(23, 56, 134);
/* oklch */ color: oklch(36.9% 0.137 263.7);

Tailwind

colors: {
  custom: {
    50: '#686eaa',
    500: '#173886',
    950: '#000000',
  },
}

SCSS

$custom: #173886;
$custom-light: #686eaa;
$custom-dark: #000000;

JSON

{
  "hex": "#173886",
  "rgb": {
    "r": 23,
    "g": 56,
    "b": 134
  },
  "hsl": {
    "h": 222.162,
    "s": 70.701,
    "l": 30.784
  },
  "oklch": {
    "l": 0.36851,
    "c": 0.13663,
    "h": 263.7
  },
  "luminance": 0.04732
}

Semantic roles & 50–950 ramp

primary

#173886

secondary

#BA953F

accent

#B83AED

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #173886

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

Preview Lab → · Contrast checker → · Palette generator →