#171173#171173

#171173 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.9% C 0.156 H 272.5°. Best body text is #FFFFFF at 15.39:1 contrast (WCAG AA passes).

Color values

HEX	#171173
RGB	rgb(23, 17, 115)
HSL	hsl(244, 74%, 26%)
HSV	hsv(244, 85%, 45%)
CMYK	cmyk(80%, 85.2%, 0%, 54.9%)
CIE-LAB	lab(14.52, 37.12, -53.75)
CIE-LCH	lch(14.52, 65.32, 304.63°)
OKLab	oklab(27.94% 0.0068 -0.1555)
OKLCH	oklch(27.94% 0.156 272.5)
XYZ	xyz(3.6473, 1.8205, 16.3755)
Luminance	0.0182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171173 #6D7311

analogous

#113C73 #171173 #481173

triadic

#171173 #731711 #117317

tetradic

#171173 #73113C #6D7311 #117348

square

#171173 #73113C #6D7311 #117348

split-complementary

#171173 #734811 #3C7311

monochromatic

#05041B #0C093E #171173 #2219A8 #2C21DE

Accessibility & contrast

On white

15.39

#171173 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#171173 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171173

15.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171173	#FFFFFF	#000000	##FFFFFF
##171173	1.00	15.39	1.36	15.39
#FFFFFF	15.39	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002976

Deuteranopia (green-blind)

#002071

Tritanopia (blue-blind)

#003043

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #171173;
/* rgb */ color: rgb(23, 17, 115);
/* oklch */ color: oklch(27.9% 0.156 272.5);

Tailwind

colors: {
  custom: {
    50: '#67529c',
    500: '#171173',
    950: '#000000',
  },
}

SCSS

$custom: #171173;
$custom-light: #67529c;
$custom-dark: #000000;

JSON

{
  "hex": "#171173",
  "rgb": {
    "r": 23,
    "g": 17,
    "b": 115
  },
  "hsl": {
    "h": 243.673,
    "s": 74.242,
    "l": 25.882
  },
  "oklch": {
    "l": 0.27942,
    "c": 0.15565,
    "h": 272.5
  },
  "luminance": 0.01821
}

Semantic roles & 50–950 ramp

primary

#171173

secondary

#A3AA36

accent

#F137E5

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #171173

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

Preview Lab → · Contrast checker → · Palette generator →