#173278#173278

#173278 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.3% C 0.124 H 264.6°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#173278
RGB	rgb(23, 50, 120)
HSL	hsl(223, 68%, 28%)
HSV	hsv(223, 81%, 47%)
CMYK	cmyk(80.8%, 58.3%, 0%, 52.9%)
CIE-LAB	lab(23.06, 17.50, -42.91)
CIE-LCH	lch(23.06, 46.34, 292.18°)
OKLab	oklab(34.31% -0.0116 -0.1238)
OKLCH	oklch(34.31% 0.124 264.6)
XYZ	xyz(4.8829, 3.8189, 18.2454)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173278 #785D17

analogous

#176278 #173278 #2C1778

triadic

#173278 #781732 #327817

tetradic

#173278 #781762 #785D17 #17782C

square

#173278 #781762 #785D17 #17782C

split-complementary

#173278 #782C17 #627817

monochromatic

#050B1A #0D1D45 #173278 #2147AB #3260D8

Accessibility & contrast

On white

11.91

#173278 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#173278 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173278

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173278	#FFFFFF	#000000	##FFFFFF
##173278	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7A

Deuteranopia (green-blind)

#003377

Tritanopia (blue-blind)

#00434F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #173278;
/* rgb */ color: rgb(23, 50, 120);
/* oklch */ color: oklch(34.3% 0.124 264.6);

Tailwind

colors: {
  custom: {
    50: '#6569a0',
    500: '#173278',
    950: '#000000',
  },
}

SCSS

$custom: #173278;
$custom-light: #6569a0;
$custom-dark: #000000;

JSON

{
  "hex": "#173278",
  "rgb": {
    "r": 23,
    "g": 50,
    "b": 120
  },
  "hsl": {
    "h": 223.299,
    "s": 67.832,
    "l": 28.039
  },
  "oklch": {
    "l": 0.34309,
    "c": 0.12437,
    "h": 264.6
  },
  "luminance": 0.03819
}

Semantic roles & 50–950 ramp

primary

#173278

secondary

#AD8E3E

accent

#BA3DEB

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060F

muted

#7A7A7E

Preview Lab

Preview with #173278

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

Preview Lab → · Contrast checker → · Palette generator →