#171655#171655

#171655 is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.1% C 0.110 H 275.7°. Best body text is #FFFFFF at 16.38:1 contrast (WCAG AA passes).

Color values

HEX	#171655
RGB	rgb(23, 22, 85)
HSL	hsl(241, 59%, 21%)
HSV	hsv(241, 74%, 33%)
CMYK	cmyk(72.9%, 74.1%, 0%, 66.7%)
CIE-LAB	lab(12.04, 23.35, -37.95)
CIE-LCH	lch(12.04, 44.56, 301.60°)
OKLab	oklab(25.15% 0.0109 -0.1096)
OKLCH	oklch(25.15% 0.11 275.7)
XYZ	xyz(2.2794, 1.4117, 8.7449)
Luminance	0.0141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171655 #545516

analogous

#163455 #171655 #361655

triadic

#171655 #551716 #165517

tetradic

#171655 #551634 #545516 #165536

square

#171655 #551634 #545516 #165536

split-complementary

#171655 #553616 #345516

monochromatic

#070618 #0A0924 #171655 #242386 #312FB6

Accessibility & contrast

On white

16.38

#171655 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#171655 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171655

16.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171655	#FFFFFF	#000000	##FFFFFF
##171655	1.00	16.38	1.28	16.38
#FFFFFF	16.38	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002257

Deuteranopia (green-blind)

#001D54

Tritanopia (blue-blind)

#002733

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #171655;
/* rgb */ color: rgb(23, 22, 85);
/* oklch */ color: oklch(25.1% 0.110 275.7);

Tailwind

colors: {
  custom: {
    50: '#5e5386',
    500: '#171655',
    950: '#000000',
  },
}

SCSS

$custom: #171655;
$custom-light: #5e5386;
$custom-dark: #000000;

JSON

{
  "hex": "#171655",
  "rgb": {
    "r": 23,
    "g": 22,
    "b": 85
  },
  "hsl": {
    "h": 240.952,
    "s": 58.879,
    "l": 20.98
  },
  "oklch": {
    "l": 0.25145,
    "c": 0.11014,
    "h": 275.7
  },
  "luminance": 0.01412
}

Semantic roles & 50–950 ramp

primary

#171655

secondary

#8B8C3A

accent

#E246E0

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #171655

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

Preview Lab → · Contrast checker → · Palette generator →