#171863#171863

#171863 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.0% C 0.128 H 273.3°. Best body text is #FFFFFF at 15.59:1 contrast (WCAG AA passes).

Color values

HEX	#171863
RGB	rgb(23, 24, 99)
HSL	hsl(239, 62%, 24%)
HSV	hsv(239, 77%, 39%)
CMYK	cmyk(76.8%, 75.8%, 0%, 61.2%)
CIE-LAB	lab(14.04, 27.34, -44.06)
CIE-LCH	lch(14.04, 51.85, 301.82°)
OKLab	oklab(27.04% 0.0073 -0.1274)
OKLCH	oklch(27.04% 0.128 273.3)
XYZ	xyz(2.9314, 1.7360, 11.9826)
Luminance	0.0174 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171863 #636217

analogous

#173E63 #171863 #3C1763

triadic

#171863 #631718 #186317

tetradic

#171863 #63173E #636217 #17633C

square

#171863 #63173E #636217 #17633C

split-complementary

#171863 #633C17 #3E6317

monochromatic

#060619 #0B0C31 #171863 #232495 #2E30C6

Accessibility & contrast

On white

15.59

#171863 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#171863 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171863

15.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171863	#FFFFFF	#000000	##FFFFFF
##171863	1.00	15.59	1.35	15.59
#FFFFFF	15.59	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002765

Deuteranopia (green-blind)

#002062

Tritanopia (blue-blind)

#002D3B

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #171863;
/* rgb */ color: rgb(23, 24, 99);
/* oklch */ color: oklch(27.0% 0.128 273.3);

Tailwind

colors: {
  custom: {
    50: '#625590',
    500: '#171863',
    950: '#000000',
  },
}

SCSS

$custom: #171863;
$custom-light: #625590;
$custom-dark: #000000;

JSON

{
  "hex": "#171863",
  "rgb": {
    "r": 23,
    "g": 24,
    "b": 99
  },
  "hsl": {
    "h": 239.211,
    "s": 62.295,
    "l": 23.922
  },
  "oklch": {
    "l": 0.27041,
    "c": 0.12764,
    "h": 273.3
  },
  "luminance": 0.01736
}

Semantic roles & 50–950 ramp

primary

#171863

secondary

#9A983C

accent

#E342E5

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030D

muted

#7A787D

Preview Lab

Preview with #171863

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

Preview Lab → · Contrast checker → · Palette generator →