#172478#172478

#172478 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.5% C 0.142 H 269.1°. Best body text is #FFFFFF at 13.46:1 contrast (WCAG AA passes).

Color values

HEX	#172478
RGB	rgb(23, 36, 120)
HSL	hsl(232, 68%, 28%)
HSV	hsv(232, 81%, 47%)
CMYK	cmyk(80.8%, 70%, 0%, 52.9%)
CIE-LAB	lab(19.22, 27.35, -49.19)
CIE-LCH	lch(19.22, 56.28, 299.07°)
OKLab	oklab(31.46% -0.0023 -0.1424)
OKLCH	oklch(31.46% 0.142 269.1)
XYZ	xyz(4.3732, 2.7995, 18.0755)
Luminance	0.0280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172478 #786B17

analogous

#175478 #172478 #3A1778

triadic

#172478 #781724 #247817

tetradic

#172478 #781754 #786B17 #17783A

square

#172478 #781754 #786B17 #17783A

split-complementary

#172478 #783A17 #547817

monochromatic

#05081A #0D1545 #172478 #2133AB #3248D8

Accessibility & contrast

On white

13.46

#172478 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#172478 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172478

13.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172478	#FFFFFF	#000000	##FFFFFF
##172478	1.00	13.46	1.56	13.46
#FFFFFF	13.46	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337B

Deuteranopia (green-blind)

#002A76

Tritanopia (blue-blind)

#003B4A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #172478;
/* rgb */ color: rgb(23, 36, 120);
/* oklch */ color: oklch(31.5% 0.142 269.1);

Tailwind

colors: {
  custom: {
    50: '#665ea0',
    500: '#172478',
    950: '#000000',
  },
}

SCSS

$custom: #172478;
$custom-light: #665ea0;
$custom-dark: #000000;

JSON

{
  "hex": "#172478",
  "rgb": {
    "r": 23,
    "g": 36,
    "b": 120
  },
  "hsl": {
    "h": 231.959,
    "s": 67.832,
    "l": 28.039
  },
  "oklch": {
    "l": 0.31461,
    "c": 0.14242,
    "h": 269.1
  },
  "luminance": 0.028
}

Semantic roles & 50–950 ramp

primary

#172478

secondary

#AD9E3E

accent

#D33DEB

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040F

muted

#7A797E

Preview Lab

Preview with #172478

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

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