#172479#172479

#172479 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.6% C 0.144 H 269.0°. Best body text is #FFFFFF at 13.42:1 contrast (WCAG AA passes).

Color values

HEX	#172479
RGB	rgb(23, 36, 121)
HSL	hsl(232, 68%, 28%)
HSV	hsv(232, 81%, 47%)
CMYK	cmyk(81%, 70.2%, 0%, 52.5%)
CIE-LAB	lab(19.32, 27.74, -49.66)
CIE-LCH	lch(19.32, 56.88, 299.18°)
OKLab	oklab(31.57% -0.0024 -0.1438)
OKLCH	oklch(31.57% 0.144 269)
XYZ	xyz(4.4342, 2.8239, 18.3968)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172479 #796C17

analogous

#175579 #172479 #3B1779

triadic

#172479 #791724 #247917

tetradic

#172479 #791755 #796C17 #17793B

square

#172479 #791755 #796C17 #17793B

split-complementary

#172479 #793B17 #557917

monochromatic

#05081A #0D1546 #172479 #2133AC #3248D8

Accessibility & contrast

On white

13.42

#172479 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#172479 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172479

13.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172479	#FFFFFF	#000000	##FFFFFF
##172479	1.00	13.42	1.56	13.42
#FFFFFF	13.42	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347C

Deuteranopia (green-blind)

#002A77

Tritanopia (blue-blind)

#003B4B

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #172479;
/* rgb */ color: rgb(23, 36, 121);
/* oklch */ color: oklch(31.6% 0.144 269.0);

Tailwind

colors: {
  custom: {
    50: '#675fa1',
    500: '#172479',
    950: '#000000',
  },
}

SCSS

$custom: #172479;
$custom-light: #675fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#172479",
  "rgb": {
    "r": 23,
    "g": 36,
    "b": 121
  },
  "hsl": {
    "h": 232.041,
    "s": 68.056,
    "l": 28.235
  },
  "oklch": {
    "l": 0.31566,
    "c": 0.1438,
    "h": 269
  },
  "luminance": 0.02824
}

Semantic roles & 50–950 ramp

primary

#172479

secondary

#AE9F3E

accent

#D43DEB

background

#F6F5FA

surface

#EBE9F3

border

#C6C5CD

text

#07040F

muted

#7A797F

Preview Lab

Preview with #172479

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

Preview Lab → · Contrast checker → · Palette generator →