#183569#183569

#183569 is a dark, moderate blue. Relative luminance 0.038; OKLCH L 33.8% C 0.098 H 261.0°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).

Color values

HEX	#183569
RGB	rgb(24, 53, 105)
HSL	hsl(219, 63%, 25%)
HSV	hsv(219, 77%, 41%)
CMYK	cmyk(77.1%, 49.5%, 0%, 58.8%)
CIE-LAB	lab(22.86, 9.25, -33.62)
CIE-LCH	lch(22.86, 34.87, 285.38°)
OKLab	oklab(33.8% -0.0152 -0.0964)
OKLCH	oklch(33.8% 0.098 261)
XYZ	xyz(4.1987, 3.7599, 13.8663)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183569 #694C18

analogous

#185D69 #183569 #241869

triadic

#183569 #691835 #356918

tetradic

#183569 #69185D #694C18 #186924

square

#183569 #69185D #694C18 #186924

split-complementary

#183569 #692418 #5D6918

monochromatic

#060D19 #0D1C37 #183569 #234E9B #2F67CD

Accessibility & contrast

On white

11.99

#183569 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#183569 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183569

11.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183569	#FFFFFF	#000000	##FFFFFF
##183569	1.00	11.99	1.75	11.99
#FFFFFF	11.99	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#193B6B

Deuteranopia (green-blind)

#063368

Tritanopia (blue-blind)

#00414A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #183569;
/* rgb */ color: rgb(24, 53, 105);
/* oklch */ color: oklch(33.8% 0.098 261.0);

Tailwind

colors: {
  custom: {
    50: '#616b94',
    500: '#183569',
    950: '#000000',
  },
}

SCSS

$custom: #183569;
$custom-light: #616b94;
$custom-dark: #000000;

JSON

{
  "hex": "#183569",
  "rgb": {
    "r": 24,
    "g": 53,
    "b": 105
  },
  "hsl": {
    "h": 218.519,
    "s": 62.791,
    "l": 25.294
  },
  "oklch": {
    "l": 0.33801,
    "c": 0.09762,
    "h": 261
  },
  "luminance": 0.0376
}

Semantic roles & 50–950 ramp

primary

#183569

secondary

#9F7C3E

accent

#AB42E6

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #183569

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

Preview Lab → · Contrast checker → · Palette generator →