#171156#171156

#171156 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.4% C 0.118 H 277.0°. Best body text is #FFFFFF at 16.79:1 contrast (WCAG AA passes).

Color values

HEX	#171156
RGB	rgb(23, 17, 86)
HSL	hsl(245, 67%, 20%)
HSV	hsv(245, 80%, 34%)
CMYK	cmyk(73.3%, 80.2%, 0%, 66.3%)
CIE-LAB	lab(10.95, 27.02, -40.41)
CIE-LCH	lch(10.95, 48.61, 303.77°)
OKLab	oklab(24.41% 0.0144 -0.1167)
OKLCH	oklch(24.41% 0.118 277)
XYZ	xyz(2.2330, 1.2547, 8.9268)
Luminance	0.0126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171156 #505611

analogous

#112E56 #171156 #391156

triadic

#171156 #561711 #115617

tetradic

#171156 #56112E #505611 #115639

square

#171156 #56112E #505611 #115639

split-complementary

#171156 #563911 #2E5611

monochromatic

#07051A #090723 #171156 #251B89 #3225BC

Accessibility & contrast

On white

16.79

#171156 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#171156 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171156

16.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171156	#FFFFFF	#000000	##FFFFFF
##171156	1.00	16.79	1.25	16.79
#FFFFFF	16.79	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002058

Deuteranopia (green-blind)

#001A55

Tritanopia (blue-blind)

#002532

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #171156;
/* rgb */ color: rgb(23, 17, 86);
/* oklch */ color: oklch(24.4% 0.118 277.0);

Tailwind

colors: {
  custom: {
    50: '#5f5086',
    500: '#171156',
    950: '#000000',
  },
}

SCSS

$custom: #171156;
$custom-light: #5f5086;
$custom-dark: #000000;

JSON

{
  "hex": "#171156",
  "rgb": {
    "r": 23,
    "g": 17,
    "b": 86
  },
  "hsl": {
    "h": 245.217,
    "s": 66.99,
    "l": 20.196
  },
  "oklch": {
    "l": 0.24407,
    "c": 0.11763,
    "h": 277
  },
  "luminance": 0.01255
}

Semantic roles & 50–950 ramp

primary

#171156

secondary

#878F34

accent

#EA3EDB

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #171156

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

Preview Lab → · Contrast checker → · Palette generator →