#183568#183568

#183568 is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.7% C 0.096 H 260.8°. Best body text is #FFFFFF at 12.01:1 contrast (WCAG AA passes).

Color values

HEX#183568
RGBrgb(24, 53, 104)
HSLhsl(218, 63%, 25%)
HSVhsv(218, 77%, 41%)
CMYKcmyk(76.9%, 49%, 0%, 59.2%)
CIE-LABlab(22.79, 8.83, -33.09)
CIE-LCHlch(22.79, 34.25, 284.94°)
OKLaboklab(33.72% -0.0154 -0.0948)
OKLCHoklch(33.72% 0.096 260.8)
XYZxyz(4.1476, 3.7394, 13.5972)
Luminance0.0374 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#183568 #684B18
analogous
#185D68 #183568 #231868
triadic
#183568 #681835 #356818
tetradic
#183568 #68185D #684B18 #186823
square
#183568 #68185D #684B18 #186823
split-complementary
#183568 #682318 #5D6818
monochromatic
#060D19 #0D1C36 #183568 #234E9A #2F68CB

Accessibility & contrast

On white

12.01
#183568 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.75
#183568 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183568
12.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##183568#FFFFFF#000000##FFFFFF
##1835681.0012.011.7512.01
#FFFFFF12.011.0021.001.00
#0000001.7521.001.0021.00
##FFFFFF12.011.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1A3A6A
Deuteranopia (green-blind)
#083367
Tritanopia (blue-blind)
#004149
Achromatopsia (no color)
#363636

Design tokens & code

CSS
--color: #183568;
/* rgb */ color: rgb(24, 53, 104);
/* oklch */ color: oklch(33.7% 0.096 260.8);
Tailwind
colors: {
  custom: {
    50: '#616b93',
    500: '#183568',
    950: '#000000',
  },
}
SCSS
$custom: #183568;
$custom-light: #616b93;
$custom-dark: #000000;
JSON
{
  "hex": "#183568",
  "rgb": {
    "r": 24,
    "g": 53,
    "b": 104
  },
  "hsl": {
    "h": 218.25,
    "s": 62.5,
    "l": 25.098
  },
  "oklch": {
    "l": 0.33724,
    "c": 0.0961,
    "h": 260.8
  },
  "luminance": 0.0374
}

Semantic roles & 50–950 ramp

primary
#183568
secondary
#9E7B3E
accent
#AA42E6
background
#F6F6F9
surface
#EBEBF1
border
#C6C6CB
text
#05060D
muted
#7A7A7E

Preview Lab

Preview with #183568

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

Preview Lab → · Contrast checker → · Palette generator →

#183568 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva