#171664#171664

#171664 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 26.8% C 0.131 H 273.6°. Best body text is #FFFFFF at 15.73:1 contrast (WCAG AA passes).

Color values

HEX	#171664
RGB	rgb(23, 22, 100)
HSL	hsl(241, 64%, 24%)
HSV	hsv(241, 78%, 39%)
CMYK	cmyk(77%, 78%, 0%, 60.8%)
CIE-LAB	lab(13.68, 29.00, -45.30)
CIE-LCH	lch(13.68, 53.78, 302.63°)
OKLab	oklab(26.82% 0.0083 -0.131)
OKLCH	oklch(26.82% 0.131 273.6)
XYZ	xyz(2.9397, 1.6758, 12.2227)
Luminance	0.0168 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171664 #636416

analogous

#163C64 #171664 #3E1664

triadic

#171664 #641716 #166417

tetradic

#171664 #64163C #636416 #16643E

square

#171664 #64163C #636416 #16643E

split-complementary

#171664 #643E16 #3C6416

monochromatic

#060619 #0B0B32 #171664 #232196 #2E2CC8

Accessibility & contrast

On white

15.73

#171664 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#171664 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171664

15.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171664	#FFFFFF	#000000	##FFFFFF
##171664	1.00	15.73	1.34	15.73
#FFFFFF	15.73	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002766

Deuteranopia (green-blind)

#001F63

Tritanopia (blue-blind)

#002C3B

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #171664;
/* rgb */ color: rgb(23, 22, 100);
/* oklch */ color: oklch(26.8% 0.131 273.6);

Tailwind

colors: {
  custom: {
    50: '#625491',
    500: '#171664',
    950: '#000000',
  },
}

SCSS

$custom: #171664;
$custom-light: #625491;
$custom-dark: #000000;

JSON

{
  "hex": "#171664",
  "rgb": {
    "r": 23,
    "g": 22,
    "b": 100
  },
  "hsl": {
    "h": 240.769,
    "s": 63.934,
    "l": 23.922
  },
  "oklch": {
    "l": 0.26824,
    "c": 0.1313,
    "h": 273.6
  },
  "luminance": 0.01676
}

Semantic roles & 50–950 ramp

primary

#171664

secondary

#9A9B3B

accent

#E741E5

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #171664

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

Preview Lab → · Contrast checker → · Palette generator →