#171775#171775

#171775 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.0% C 0.153 H 271.6°. Best body text is #FFFFFF at 14.83:1 contrast (WCAG AA passes).

Color values

HEX	#171775
RGB	rgb(23, 23, 117)
HSL	hsl(240, 67%, 27%)
HSV	hsv(240, 80%, 46%)
CMYK	cmyk(80.3%, 80.3%, 0%, 54.1%)
CIE-LAB	lab(15.90, 34.52, -52.75)
CIE-LCH	lch(15.90, 63.04, 303.20°)
OKLab	oklab(28.98% 0.0043 -0.1527)
OKLCH	oklch(28.98% 0.153 271.6)
XYZ	xyz(3.8695, 2.0789, 17.0235)
Luminance	0.0208 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171775 #757517

analogous

#174675 #171775 #461775

triadic

#171775 #751717 #177517

tetradic

#171775 #751746 #757517 #177546

square

#171775 #751746 #757517 #177546

split-complementary

#171775 #754617 #467517

monochromatic

#05051A #0D0D42 #171775 #2121A8 #3030D6

Accessibility & contrast

On white

14.83

#171775 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#171775 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171775

14.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171775	#FFFFFF	#000000	##FFFFFF
##171775	1.00	14.83	1.42	14.83
#FFFFFF	14.83	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C78

Deuteranopia (green-blind)

#002373

Tritanopia (blue-blind)

#003345

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #171775;
/* rgb */ color: rgb(23, 23, 117);
/* oklch */ color: oklch(29.0% 0.153 271.6);

Tailwind

colors: {
  custom: {
    50: '#67569e',
    500: '#171775',
    950: '#000000',
  },
}

SCSS

$custom: #171775;
$custom-light: #67569e;
$custom-dark: #000000;

JSON

{
  "hex": "#171775",
  "rgb": {
    "r": 23,
    "g": 23,
    "b": 117
  },
  "hsl": {
    "h": 240,
    "s": 67.143,
    "l": 27.451
  },
  "oklch": {
    "l": 0.28978,
    "c": 0.15277,
    "h": 271.6
  },
  "luminance": 0.02079
}

Semantic roles & 50–950 ramp

primary

#171775

secondary

#AAAA3D

accent

#EA3EEA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #171775

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

Preview Lab → · Contrast checker → · Palette generator →