#171656#171656

#171656 is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.3% C 0.112 H 275.5°. Best body text is #FFFFFF at 16.33:1 contrast (WCAG AA passes).

Color values

HEX	#171656
RGB	rgb(23, 22, 86)
HSL	hsl(241, 59%, 21%)
HSV	hsv(241, 74%, 34%)
CMYK	cmyk(73.3%, 74.4%, 0%, 66.3%)
CIE-LAB	lab(12.14, 23.73, -38.46)
CIE-LCH	lch(12.14, 45.19, 301.68°)
OKLab	oklab(25.25% 0.0108 -0.1111)
OKLCH	oklch(25.25% 0.112 275.5)
XYZ	xyz(2.3194, 1.4277, 8.9556)
Luminance	0.0143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171656 #555616

analogous

#163556 #171656 #371656

triadic

#171656 #561716 #165617

tetradic

#171656 #561635 #555616 #165637

square

#171656 #561635 #555616 #165637

split-complementary

#171656 #563716 #355616

monochromatic

#070618 #0A0A25 #171656 #242287 #312FB7

Accessibility & contrast

On white

16.33

#171656 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#171656 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171656

16.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171656	#FFFFFF	#000000	##FFFFFF
##171656	1.00	16.33	1.29	16.33
#FFFFFF	16.33	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002358

Deuteranopia (green-blind)

#001D55

Tritanopia (blue-blind)

#002734

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #171656;
/* rgb */ color: rgb(23, 22, 86);
/* oklch */ color: oklch(25.3% 0.112 275.5);

Tailwind

colors: {
  custom: {
    50: '#5e5386',
    500: '#171656',
    950: '#000000',
  },
}

SCSS

$custom: #171656;
$custom-light: #5e5386;
$custom-dark: #000000;

JSON

{
  "hex": "#171656",
  "rgb": {
    "r": 23,
    "g": 22,
    "b": 86
  },
  "hsl": {
    "h": 240.938,
    "s": 59.259,
    "l": 21.176
  },
  "oklch": {
    "l": 0.25253,
    "c": 0.1116,
    "h": 275.5
  },
  "luminance": 0.01428
}

Semantic roles & 50–950 ramp

primary

#171656

secondary

#8C8D3A

accent

#E245E0

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #171656

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

Preview Lab → · Contrast checker → · Palette generator →