#173364#173364

#173364 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 32.9% C 0.093 H 260.7°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#173364
RGB	rgb(23, 51, 100)
HSL	hsl(218, 63%, 24%)
HSV	hsv(218, 77%, 39%)
CMYK	cmyk(77%, 49%, 0%, 60.8%)
CIE-LAB	lab(21.83, 8.44, -32.03)
CIE-LCH	lch(21.83, 33.12, 284.76°)
OKLab	oklab(32.89% -0.015 -0.0918)
OKLCH	oklch(32.89% 0.093 260.7)
XYZ	xyz(3.8366, 3.4695, 12.5216)
Luminance	0.0347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173364 #644817

analogous

#175A64 #173364 #221764

triadic

#173364 #641733 #336417

tetradic

#173364 #64175A #644817 #176422

square

#173364 #64175A #644817 #176422

split-complementary

#173364 #642217 #5A6417

monochromatic

#060D19 #0C1A32 #173364 #224C96 #2E66C8

Accessibility & contrast

On white

12.40

#173364 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#173364 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173364

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173364	#FFFFFF	#000000	##FFFFFF
##173364	1.00	12.40	1.69	12.40
#FFFFFF	12.40	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3866

Deuteranopia (green-blind)

#093163

Tritanopia (blue-blind)

#003F46

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #173364;
/* rgb */ color: rgb(23, 51, 100);
/* oklch */ color: oklch(32.9% 0.093 260.7);

Tailwind

colors: {
  custom: {
    50: '#606a90',
    500: '#173364',
    950: '#000000',
  },
}

SCSS

$custom: #173364;
$custom-light: #606a90;
$custom-dark: #000000;

JSON

{
  "hex": "#173364",
  "rgb": {
    "r": 23,
    "g": 51,
    "b": 100
  },
  "hsl": {
    "h": 218.182,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.32886,
    "c": 0.09301,
    "h": 260.7
  },
  "luminance": 0.0347
}

Semantic roles & 50–950 ramp

primary

#173364

secondary

#9A783C

accent

#AA42E6

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #173364

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

Preview Lab → · Contrast checker → · Palette generator →