#171689#171689

#171689 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.3% C 0.179 H 270.1°. Best body text is #FFFFFF at 13.89:1 contrast (WCAG AA passes).

Color values

HEX	#171689
RGB	rgb(23, 22, 137)
HSL	hsl(241, 72%, 31%)
HSV	hsv(241, 84%, 54%)
CMYK	cmyk(83.2%, 83.9%, 0%, 46.3%)
CIE-LAB	lab(18.19, 41.86, -61.66)
CIE-LCH	lch(18.19, 74.53, 304.17°)
OKLab	oklab(31.3% 0.0002 -0.1785)
OKLCH	oklch(31.3% 0.179 270.1)
XYZ	xyz(5.1541, 2.5615, 23.8848)
Luminance	0.0256 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171689 #888916

analogous

#164E89 #171689 #501689

triadic

#171689 #891716 #168917

tetradic

#171689 #89164E #888916 #168950

square

#171689 #89164E #888916 #168950

split-complementary

#171689 #895016 #4E8916

monochromatic

#050520 #0E0E54 #171689 #201EBE #3B3ADF

Accessibility & contrast

On white

13.89

#171689 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#171689 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171689

13.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171689	#FFFFFF	#000000	##FFFFFF
##171689	1.00	13.89	1.51	13.89
#FFFFFF	13.89	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00328C

Deuteranopia (green-blind)

#002687

Tritanopia (blue-blind)

#003B51

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #171689;
/* rgb */ color: rgb(23, 22, 137);
/* oklch */ color: oklch(31.3% 0.179 270.1);

Tailwind

colors: {
  custom: {
    50: '#6c57ad',
    500: '#171689',
    950: '#000000',
  },
}

SCSS

$custom: #171689;
$custom-light: #6c57ad;
$custom-dark: #000000;

JSON

{
  "hex": "#171689",
  "rgb": {
    "r": 23,
    "g": 22,
    "b": 137
  },
  "hsl": {
    "h": 240.522,
    "s": 72.327,
    "l": 31.176
  },
  "oklch": {
    "l": 0.31304,
    "c": 0.17852,
    "h": 270.1
  },
  "luminance": 0.02562
}

Semantic roles & 50–950 ramp

primary

#171689

secondary

#BCBD3E

accent

#EF39ED

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #171689

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

Preview Lab → · Contrast checker → · Palette generator →