#173568#173568

#173568 is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.7% C 0.096 H 260.3°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#173568
RGB	rgb(23, 53, 104)
HSL	hsl(218, 64%, 25%)
HSV	hsv(218, 78%, 41%)
CMYK	cmyk(77.9%, 49%, 0%, 59.2%)
CIE-LAB	lab(22.75, 8.68, -33.16)
CIE-LCH	lch(22.75, 34.27, 284.67°)
OKLab	oklab(33.68% -0.0162 -0.0951)
OKLCH	oklch(33.68% 0.096 260.3)
XYZ	xyz(4.1242, 3.7274, 13.5961)
Luminance	0.0373 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173568 #684A17

analogous

#175E68 #173568 #221768

triadic

#173568 #681735 #356817

tetradic

#173568 #68175E #684A17 #176822

square

#173568 #68175E #684A17 #176822

split-complementary

#173568 #682217 #5E6817

monochromatic

#060D19 #0C1B36 #173568 #224F9A #2D68CC

Accessibility & contrast

On white

12.03

#173568 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#173568 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173568

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173568	#FFFFFF	#000000	##FFFFFF
##173568	1.00	12.03	1.75	12.03
#FFFFFF	12.03	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3A6A

Deuteranopia (green-blind)

#073367

Tritanopia (blue-blind)

#004149

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #173568;
/* rgb */ color: rgb(23, 53, 104);
/* oklch */ color: oklch(33.7% 0.096 260.3);

Tailwind

colors: {
  custom: {
    50: '#616b93',
    500: '#173568',
    950: '#000000',
  },
}

SCSS

$custom: #173568;
$custom-light: #616b93;
$custom-dark: #000000;

JSON

{
  "hex": "#173568",
  "rgb": {
    "r": 23,
    "g": 53,
    "b": 104
  },
  "hsl": {
    "h": 217.778,
    "s": 63.78,
    "l": 24.902
  },
  "oklch": {
    "l": 0.3368,
    "c": 0.09645,
    "h": 260.3
  },
  "luminance": 0.03728
}

Semantic roles & 50–950 ramp

primary

#173568

secondary

#9E7A3D

accent

#A941E7

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#05060D

muted

#7A7A7E

Preview Lab

Preview with #173568

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

Preview Lab → · Contrast checker → · Palette generator →