#173063#173063

#173063 is a dark, moderate blue. Relative luminance 0.032; OKLCH L 32.1% C 0.096 H 262.6°. Best body text is #FFFFFF at 12.81:1 contrast (WCAG AA passes).

Color values

HEX	#173063
RGB	rgb(23, 48, 99)
HSL	hsl(220, 62%, 24%)
HSV	hsv(220, 77%, 39%)
CMYK	cmyk(76.8%, 51.5%, 0%, 61.2%)
CIE-LAB	lab(20.81, 10.19, -33.01)
CIE-LCH	lch(20.81, 34.55, 287.15°)
OKLab	oklab(32.08% -0.0122 -0.0947)
OKLCH	oklch(32.08% 0.096 262.6)
XYZ	xyz(3.6616, 3.1965, 12.2260)
Luminance	0.0320 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173063 #634A17

analogous

#175663 #173063 #241763

triadic

#173063 #631730 #306317

tetradic

#173063 #631756 #634A17 #176324

square

#173063 #631756 #634A17 #176324

split-complementary

#173063 #632417 #566317

monochromatic

#060C19 #0B1831 #173063 #234895 #2E60C6

Accessibility & contrast

On white

12.81

#173063 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#173063 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173063

12.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173063	#FFFFFF	#000000	##FFFFFF
##173063	1.00	12.81	1.64	12.81
#FFFFFF	12.81	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#143665

Deuteranopia (green-blind)

#002F62

Tritanopia (blue-blind)

#003C44

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #173063;
/* rgb */ color: rgb(23, 48, 99);
/* oklch */ color: oklch(32.1% 0.096 262.6);

Tailwind

colors: {
  custom: {
    50: '#606790',
    500: '#173063',
    950: '#000000',
  },
}

SCSS

$custom: #173063;
$custom-light: #606790;
$custom-dark: #000000;

JSON

{
  "hex": "#173063",
  "rgb": {
    "r": 23,
    "g": 48,
    "b": 99
  },
  "hsl": {
    "h": 220.263,
    "s": 62.295,
    "l": 23.922
  },
  "oklch": {
    "l": 0.3208,
    "c": 0.09554,
    "h": 262.6
  },
  "luminance": 0.03197
}

Semantic roles & 50–950 ramp

primary

#173063

secondary

#9A7B3C

accent

#B042E5

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #173063

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

Preview Lab → · Contrast checker → · Palette generator →