#172684#172684

#172684 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.1% C 0.156 H 268.4°. Best body text is #FFFFFF at 12.75:1 contrast (WCAG AA passes).

Color values

HEX	#172684
RGB	rgb(23, 38, 132)
HSL	hsl(232, 70%, 30%)
HSV	hsv(232, 83%, 52%)
CMYK	cmyk(82.6%, 71.2%, 0%, 48.2%)
CIE-LAB	lab(20.96, 30.64, -53.95)
CIE-LCH	lch(20.96, 62.04, 299.59°)
OKLab	oklab(33.1% -0.0044 -0.1563)
OKLCH	oklch(33.1% 0.156 268.4)
XYZ	xyz(5.2099, 3.2337, 22.1749)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172684 #847517

analogous

#175C84 #172684 #3E1784

triadic

#172684 #841726 #268417

tetradic

#172684 #84175C #847517 #17843E

square

#172684 #84175C #847517 #17843E

split-complementary

#172684 #843E17 #5C8417

monochromatic

#05081C #0E1750 #172684 #2035B8 #394FDC

Accessibility & contrast

On white

12.75

#172684 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#172684 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172684

12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172684	#FFFFFF	#000000	##FFFFFF
##172684	1.00	12.75	1.65	12.75
#FFFFFF	12.75	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003887

Deuteranopia (green-blind)

#002D82

Tritanopia (blue-blind)

#004052

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #172684;
/* rgb */ color: rgb(23, 38, 132);
/* oklch */ color: oklch(33.1% 0.156 268.4);

Tailwind

colors: {
  custom: {
    50: '#6960a9',
    500: '#172684',
    950: '#000000',
  },
}

SCSS

$custom: #172684;
$custom-light: #6960a9;
$custom-dark: #000000;

JSON

{
  "hex": "#172684",
  "rgb": {
    "r": 23,
    "g": 38,
    "b": 132
  },
  "hsl": {
    "h": 231.743,
    "s": 70.323,
    "l": 30.392
  },
  "oklch": {
    "l": 0.33095,
    "c": 0.15635,
    "h": 268.4
  },
  "luminance": 0.03234
}

Semantic roles & 50–950 ramp

primary

#172684

secondary

#B8A73F

accent

#D53BED

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#080510

muted

#7A797F

Preview Lab

Preview with #172684

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

Preview Lab → · Contrast checker → · Palette generator →