#171180#171180

#171180 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.6% C 0.172 H 271.1°. Best body text is #FFFFFF at 14.70:1 contrast (WCAG AA passes).

Color values

HEX	#171180
RGB	rgb(23, 17, 128)
HSL	hsl(243, 77%, 28%)
HSV	hsv(243, 87%, 50%)
CMYK	cmyk(82%, 86.7%, 0%, 49.8%)
CIE-LAB	lab(16.21, 41.35, -59.27)
CIE-LCH	lch(16.21, 72.27, 304.90°)
OKLab	oklab(29.6% 0.0034 -0.1715)
OKLCH	oklch(29.6% 0.172 271.1)
XYZ	xyz(4.4488, 2.1411, 20.5967)
Luminance	0.0214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171180 #7A8011

analogous

#114280 #171180 #4E1180

triadic

#171180 #801711 #118017

tetradic

#171180 #801142 #7A8011 #11804E

square

#171180 #801142 #7A8011 #11804E

split-complementary

#171180 #804E11 #428011

monochromatic

#05041B #0D0A4A #171180 #2118B6 #3329E3

Accessibility & contrast

On white

14.70

#171180 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#171180 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171180

14.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171180	#FFFFFF	#000000	##FFFFFF
##171180	1.00	14.70	1.43	14.70
#FFFFFF	14.70	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E83

Deuteranopia (green-blind)

#00237E

Tritanopia (blue-blind)

#00364B

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #171180;
/* rgb */ color: rgb(23, 17, 128);
/* oklch */ color: oklch(29.6% 0.172 271.1);

Tailwind

colors: {
  custom: {
    50: '#6a53a6',
    500: '#171180',
    950: '#000000',
  },
}

SCSS

$custom: #171180;
$custom-light: #6a53a6;
$custom-dark: #000000;

JSON

{
  "hex": "#171180",
  "rgb": {
    "r": 23,
    "g": 17,
    "b": 128
  },
  "hsl": {
    "h": 243.243,
    "s": 76.552,
    "l": 28.431
  },
  "oklch": {
    "l": 0.29598,
    "c": 0.17153,
    "h": 271.1
  },
  "luminance": 0.02142
}

Semantic roles & 50–950 ramp

primary

#171180

secondary

#AFB637

accent

#F335E9

background

#F7F4FA

surface

#EDE8F4

border

#C8C4CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #171180

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

Preview Lab → · Contrast checker → · Palette generator →