#171479#171479

#171479 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.1% C 0.161 H 271.6°. Best body text is #FFFFFF at 14.87:1 contrast (WCAG AA passes).

Color values

HEX	#171479
RGB	rgb(23, 20, 121)
HSL	hsl(242, 72%, 28%)
HSV	hsv(242, 83%, 47%)
CMYK	cmyk(81%, 83.5%, 0%, 52.5%)
CIE-LAB	lab(15.81, 37.57, -55.46)
CIE-LCH	lch(15.81, 66.99, 304.11°)
OKLab	oklab(29.06% 0.0044 -0.1605)
OKLCH	oklch(29.06% 0.161 271.6)
XYZ	xyz(4.0535, 2.0625, 18.2699)
Luminance	0.0206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171479 #767914

analogous

#144479 #171479 #491479

triadic

#171479 #791714 #147917

tetradic

#171479 #791444 #767914 #147949

square

#171479 #791444 #767914 #147949

split-complementary

#171479 #794914 #447914

monochromatic

#05041A #0D0B44 #171479 #211DAE #312BDC

Accessibility & contrast

On white

14.87

#171479 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#171479 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171479

14.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171479	#FFFFFF	#000000	##FFFFFF
##171479	1.00	14.87	1.41	14.87
#FFFFFF	14.87	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C7C

Deuteranopia (green-blind)

#002277

Tritanopia (blue-blind)

#003447

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #171479;
/* rgb */ color: rgb(23, 20, 121);
/* oklch */ color: oklch(29.1% 0.161 271.6);

Tailwind

colors: {
  custom: {
    50: '#6854a1',
    500: '#171479',
    950: '#000000',
  },
}

SCSS

$custom: #171479;
$custom-light: #6854a1;
$custom-dark: #000000;

JSON

{
  "hex": "#171479",
  "rgb": {
    "r": 23,
    "g": 20,
    "b": 121
  },
  "hsl": {
    "h": 241.782,
    "s": 71.631,
    "l": 27.647
  },
  "oklch": {
    "l": 0.29063,
    "c": 0.16059,
    "h": 271.6
  },
  "luminance": 0.02063
}

Semantic roles & 50–950 ramp

primary

#171479

secondary

#ABAF3A

accent

#EE39E9

background

#F6F5FA

surface

#ECE8F3

border

#C7C4CD

text

#07030F

muted

#7A787F

Preview Lab

Preview with #171479

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

Preview Lab → · Contrast checker → · Palette generator →