#172078#172078

#172078 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.7% C 0.147 H 269.9°. Best body text is #FFFFFF at 13.87:1 contrast (WCAG AA passes).

Color values

HEX	#172078
RGB	rgb(23, 32, 120)
HSL	hsl(234, 68%, 28%)
HSV	hsv(234, 81%, 47%)
CMYK	cmyk(80.8%, 73.3%, 0%, 52.9%)
CIE-LAB	lab(18.24, 30.02, -50.81)
CIE-LCH	lch(18.24, 59.02, 300.58°)
OKLab	oklab(30.75% -0.0002 -0.1471)
OKLCH	oklch(30.75% 0.147 269.9)
XYZ	xyz(4.2589, 2.5708, 18.0374)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172078 #786F17

analogous

#175078 #172078 #3E1778

triadic

#172078 #781720 #207817

tetradic

#172078 #781750 #786F17 #17783E

square

#172078 #781750 #786F17 #17783E

split-complementary

#172078 #783E17 #507817

monochromatic

#05071A #0D1245 #172078 #212EAB #3241D8

Accessibility & contrast

On white

13.87

#172078 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#172078 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172078

13.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172078	#FFFFFF	#000000	##FFFFFF
##172078	1.00	13.87	1.51	13.87
#FFFFFF	13.87	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317B

Deuteranopia (green-blind)

#002876

Tritanopia (blue-blind)

#003949

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #172078;
/* rgb */ color: rgb(23, 32, 120);
/* oklch */ color: oklch(30.7% 0.147 269.9);

Tailwind

colors: {
  custom: {
    50: '#675ca0',
    500: '#172078',
    950: '#000000',
  },
}

SCSS

$custom: #172078;
$custom-light: #675ca0;
$custom-dark: #000000;

JSON

{
  "hex": "#172078",
  "rgb": {
    "r": 23,
    "g": 32,
    "b": 120
  },
  "hsl": {
    "h": 234.433,
    "s": 67.832,
    "l": 28.039
  },
  "oklch": {
    "l": 0.30746,
    "c": 0.14715,
    "h": 269.9
  },
  "luminance": 0.02571
}

Semantic roles & 50–950 ramp

primary

#172078

secondary

#ADA33E

accent

#DB3DEB

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040F

muted

#7A797E

Preview Lab

Preview with #172078

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

Preview Lab → · Contrast checker → · Palette generator →