#171083#171083

#171083 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.9% C 0.176 H 270.9°. Best body text is #FFFFFF at 14.60:1 contrast (WCAG AA passes).

Color values

HEX	#171083
RGB	rgb(23, 16, 131)
HSL	hsl(244, 78%, 29%)
HSV	hsv(244, 88%, 51%)
CMYK	cmyk(82.4%, 87.8%, 0%, 48.6%)
CIE-LAB	lab(16.46, 42.75, -60.76)
CIE-LCH	lch(16.46, 74.30, 305.13°)
OKLab	oklab(29.88% 0.0028 -0.1758)
OKLCH	oklch(29.88% 0.176 270.9)
XYZ	xyz(4.6340, 2.1909, 21.6470)
Luminance	0.0219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171083 #7C8310

analogous

#104383 #171083 #511083

triadic

#171083 #831710 #108317

tetradic

#171083 #831043 #7C8310 #108351

square

#171083 #831043 #7C8310 #108351

split-complementary

#171083 #835110 #438310

monochromatic

#05031B #0D094C #171083 #2117BA #3429E5

Accessibility & contrast

On white

14.60

#171083 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#171083 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171083

14.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171083	#FFFFFF	#000000	##FFFFFF
##171083	1.00	14.60	1.44	14.60
#FFFFFF	14.60	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E86

Deuteranopia (green-blind)

#002381

Tritanopia (blue-blind)

#00374C

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #171083;
/* rgb */ color: rgb(23, 16, 131);
/* oklch */ color: oklch(29.9% 0.176 270.9);

Tailwind

colors: {
  custom: {
    50: '#6b53a8',
    500: '#171083',
    950: '#000000',
  },
}

SCSS

$custom: #171083;
$custom-light: #6b53a8;
$custom-dark: #000000;

JSON

{
  "hex": "#171083",
  "rgb": {
    "r": 23,
    "g": 16,
    "b": 131
  },
  "hsl": {
    "h": 243.652,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.29882,
    "c": 0.17581,
    "h": 270.9
  },
  "luminance": 0.02191
}

Semantic roles & 50–950 ramp

primary

#171083

secondary

#B1B936

accent

#F533E9

background

#F7F4FA

surface

#EDE7F4

border

#C8C3CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #171083

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

Preview Lab → · Contrast checker → · Palette generator →