#171056#171056

#171056 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 24.3% C 0.119 H 277.3°. Best body text is #FFFFFF at 16.87:1 contrast (WCAG AA passes).

Color values

HEX	#171056
RGB	rgb(23, 16, 86)
HSL	hsl(246, 69%, 20%)
HSV	hsv(246, 81%, 34%)
CMYK	cmyk(73.3%, 81.4%, 0%, 66.3%)
CIE-LAB	lab(10.74, 27.64, -40.77)
CIE-LCH	lch(10.74, 49.25, 304.13°)
OKLab	oklab(24.25% 0.015 -0.1178)
OKLCH	oklch(24.25% 0.119 277.3)
XYZ	xyz(2.2178, 1.2244, 8.9218)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171056 #4F5610

analogous

#102C56 #171056 #3A1056

triadic

#171056 #561710 #105617

tetradic

#171056 #56102C #4F5610 #10563A

square

#171056 #56102C #4F5610 #10563A

split-complementary

#171056 #563A10 #2C5610

monochromatic

#07051A #090622 #171056 #251A8A #3323BD

Accessibility & contrast

On white

16.87

#171056 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#171056 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171056

16.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171056	#FFFFFF	#000000	##FFFFFF
##171056	1.00	16.87	1.24	16.87
#FFFFFF	16.87	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002058

Deuteranopia (green-blind)

#001A55

Tritanopia (blue-blind)

#002432

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #171056;
/* rgb */ color: rgb(23, 16, 86);
/* oklch */ color: oklch(24.3% 0.119 277.3);

Tailwind

colors: {
  custom: {
    50: '#5f4f86',
    500: '#171056',
    950: '#000000',
  },
}

SCSS

$custom: #171056;
$custom-light: #5f4f86;
$custom-dark: #000000;

JSON

{
  "hex": "#171056",
  "rgb": {
    "r": 23,
    "g": 16,
    "b": 86
  },
  "hsl": {
    "h": 246,
    "s": 68.627,
    "l": 20
  },
  "oklch": {
    "l": 0.24252,
    "c": 0.11876,
    "h": 277.3
  },
  "luminance": 0.01225
}

Semantic roles & 50–950 ramp

primary

#171056

secondary

#868F32

accent

#EB3CDA

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #171056

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

Preview Lab → · Contrast checker → · Palette generator →