#171890#171890

#171890 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.4% C 0.185 H 269.5°. Best body text is #FFFFFF at 13.38:1 contrast (WCAG AA passes).

Color values

HEX	#171890
RGB	rgb(23, 24, 144)
HSL	hsl(240, 72%, 33%)
HSV	hsv(240, 84%, 56%)
CMYK	cmyk(84%, 83.3%, 0%, 43.5%)
CIE-LAB	lab(19.43, 43.15, -63.99)
CIE-LCH	lch(19.43, 77.18, 303.99°)
OKLab	oklab(32.41% -0.0017 -0.1853)
OKLCH	oklch(32.41% 0.185 269.5)
XYZ	xyz(5.7123, 2.8484, 26.6289)
Luminance	0.0285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171890 #908F17

analogous

#175590 #171890 #521790

triadic

#171890 #901718 #189017

tetradic

#171890 #901755 #908F17 #179052

square

#171890 #901755 #908F17 #179052

split-complementary

#171890 #905217 #559017

monochromatic

#060626 #0F0F5B #171890 #1F21C5 #4142E1

Accessibility & contrast

On white

13.38

#171890 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#171890 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171890

13.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171890	#FFFFFF	#000000	##FFFFFF
##171890	1.00	13.38	1.57	13.38
#FFFFFF	13.38	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003593

Deuteranopia (green-blind)

#00298E

Tritanopia (blue-blind)

#003F55

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #171890;
/* rgb */ color: rgb(23, 24, 144);
/* oklch */ color: oklch(32.4% 0.185 269.5);

Tailwind

colors: {
  custom: {
    50: '#6e58b2',
    500: '#171890',
    950: '#000000',
  },
}

SCSS

$custom: #171890;
$custom-light: #6e58b2;
$custom-dark: #000000;

JSON

{
  "hex": "#171890",
  "rgb": {
    "r": 23,
    "g": 24,
    "b": 144
  },
  "hsl": {
    "h": 239.504,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.32414,
    "c": 0.18531,
    "h": 269.5
  },
  "luminance": 0.02849
}

Semantic roles & 50–950 ramp

primary

#171890

secondary

#C1C042

accent

#EE39EF

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #171890

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

Preview Lab → · Contrast checker → · Palette generator →