#172584#172584

#172584 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.9% C 0.158 H 268.6°. Best body text is #FFFFFF at 12.85:1 contrast (WCAG AA passes).

Color values

HEX	#172584
RGB	rgb(23, 37, 132)
HSL	hsl(232, 70%, 30%)
HSV	hsv(232, 83%, 52%)
CMYK	cmyk(82.6%, 72%, 0%, 48.2%)
CIE-LAB	lab(20.71, 31.30, -54.35)
CIE-LCH	lch(20.71, 62.72, 299.93°)
OKLab	oklab(32.92% -0.0039 -0.1574)
OKLCH	oklch(32.92% 0.158 268.6)
XYZ	xyz(5.1783, 3.1706, 22.1644)
Luminance	0.0317 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172584 #847617

analogous

#175B84 #172584 #401784

triadic

#172584 #841725 #258417

tetradic

#172584 #84175B #847617 #178440

square

#172584 #84175B #847617 #178440

split-complementary

#172584 #844017 #5B8417

monochromatic

#05081C #0E1650 #172584 #2034B8 #394EDC

Accessibility & contrast

On white

12.85

#172584 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#172584 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172584

12.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172584	#FFFFFF	#000000	##FFFFFF
##172584	1.00	12.85	1.63	12.85
#FFFFFF	12.85	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003787

Deuteranopia (green-blind)

#002D82

Tritanopia (blue-blind)

#004051

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #172584;
/* rgb */ color: rgb(23, 37, 132);
/* oklch */ color: oklch(32.9% 0.158 268.6);

Tailwind

colors: {
  custom: {
    50: '#6a60a9',
    500: '#172584',
    950: '#000000',
  },
}

SCSS

$custom: #172584;
$custom-light: #6a60a9;
$custom-dark: #000000;

JSON

{
  "hex": "#172584",
  "rgb": {
    "r": 23,
    "g": 37,
    "b": 132
  },
  "hsl": {
    "h": 232.294,
    "s": 70.323,
    "l": 30.392
  },
  "oklch": {
    "l": 0.3292,
    "c": 0.1575,
    "h": 268.6
  },
  "luminance": 0.03171
}

Semantic roles & 50–950 ramp

primary

#172584

secondary

#B8A93F

accent

#D63BED

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#080510

muted

#7A797F

Preview Lab

Preview with #172584

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

Preview Lab → · Contrast checker → · Palette generator →