#183169#183169

#183169 is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.8% C 0.103 H 263.6°. Best body text is #FFFFFF at 12.48:1 contrast (WCAG AA passes).

Color values

HEX	#183169
RGB	rgb(24, 49, 105)
HSL	hsl(221, 63%, 25%)
HSV	hsv(221, 77%, 41%)
CMYK	cmyk(77.1%, 53.3%, 0%, 58.8%)
CIE-LAB	lab(21.62, 12.12, -35.62)
CIE-LCH	lch(21.62, 37.63, 288.79°)
OKLab	oklab(32.85% -0.0114 -0.1024)
OKLCH	oklch(32.85% 0.103 263.6)
XYZ	xyz(4.0239, 3.4103, 13.8080)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183169 #695018

analogous

#185A69 #183169 #271869

triadic

#183169 #691831 #316918

tetradic

#183169 #69185A #695018 #186927

square

#183169 #69185A #695018 #186927

split-complementary

#183169 #692718 #5A6918

monochromatic

#060C19 #0D1A37 #183169 #23489B #2F5FCD

Accessibility & contrast

On white

12.48

#183169 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#183169 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183169

12.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183169	#FFFFFF	#000000	##FFFFFF
##183169	1.00	12.48	1.68	12.48
#FFFFFF	12.48	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F386B

Deuteranopia (green-blind)

#003068

Tritanopia (blue-blind)

#003E48

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #183169;
/* rgb */ color: rgb(24, 49, 105);
/* oklch */ color: oklch(32.8% 0.103 263.6);

Tailwind

colors: {
  custom: {
    50: '#616894',
    500: '#183169',
    950: '#000000',
  },
}

SCSS

$custom: #183169;
$custom-light: #616894;
$custom-dark: #000000;

JSON

{
  "hex": "#183169",
  "rgb": {
    "r": 24,
    "g": 49,
    "b": 105
  },
  "hsl": {
    "h": 221.481,
    "s": 62.791,
    "l": 25.294
  },
  "oklch": {
    "l": 0.32849,
    "c": 0.10303,
    "h": 263.6
  },
  "luminance": 0.03411
}

Semantic roles & 50–950 ramp

primary

#183169

secondary

#9F813E

accent

#B342E6

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #183169

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

Preview Lab → · Contrast checker → · Palette generator →