#171687#171687

#171687 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 31.1% C 0.176 H 270.2°. Best body text is #FFFFFF at 13.99:1 contrast (WCAG AA passes).

Color values

HEX	#171687
RGB	rgb(23, 22, 135)
HSL	hsl(241, 72%, 31%)
HSV	hsv(241, 84%, 53%)
CMYK	cmyk(83%, 83.7%, 0%, 47.1%)
CIE-LAB	lab(17.94, 41.20, -60.83)
CIE-LCH	lch(17.94, 73.47, 304.11°)
OKLab	oklab(31.05% 0.0007 -0.1761)
OKLCH	oklch(31.05% 0.176 270.2)
XYZ	xyz(5.0119, 2.5047, 23.1363)
Luminance	0.0250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171687 #868716

analogous

#164D87 #171687 #4F1687

triadic

#171687 #871716 #168717

tetradic

#171687 #87164D #868716 #16874F

square

#171687 #87164D #868716 #16874F

split-complementary

#171687 #874F16 #4D8716

monochromatic

#05051E #0E0D52 #171687 #201FBC #3A39DF

Accessibility & contrast

On white

13.99

#171687 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#171687 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171687

13.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171687	#FFFFFF	#000000	##FFFFFF
##171687	1.00	13.99	1.50	13.99
#FFFFFF	13.99	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00328A

Deuteranopia (green-blind)

#002685

Tritanopia (blue-blind)

#003A50

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #171687;
/* rgb */ color: rgb(23, 22, 135);
/* oklch */ color: oklch(31.1% 0.176 270.2);

Tailwind

colors: {
  custom: {
    50: '#6c56ab',
    500: '#171687',
    950: '#000000',
  },
}

SCSS

$custom: #171687;
$custom-light: #6c56ab;
$custom-dark: #000000;

JSON

{
  "hex": "#171687",
  "rgb": {
    "r": 23,
    "g": 22,
    "b": 135
  },
  "hsl": {
    "h": 240.531,
    "s": 71.975,
    "l": 30.784
  },
  "oklch": {
    "l": 0.31054,
    "c": 0.17611,
    "h": 270.2
  },
  "luminance": 0.02505
}

Semantic roles & 50–950 ramp

primary

#171687

secondary

#BABB3E

accent

#EF39ED

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #171687

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

Preview Lab → · Contrast checker → · Palette generator →