#183590#183590

#183590 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.2% C 0.154 H 265.5°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX#183590
RGBrgb(24, 53, 144)
HSLhsl(226, 71%, 33%)
HSVhsv(226, 83%, 56%)
CMYKcmyk(83.3%, 63.2%, 0%, 43.5%)
CIE-LABlab(26.02, 25.24, -53.12)
CIE-LCHlch(26.02, 58.81, 295.42°)
OKLaboklab(37.18% -0.012 -0.1537)
OKLCHoklch(37.18% 0.154 265.5)
XYZxyz(6.6821, 4.7532, 26.9454)
Luminance0.0475 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#183590 #907318
analogous
#187190 #183590 #371890
triadic
#183590 #901835 #359018
tetradic
#183590 #901871 #907318 #189037
square
#183590 #901871 #907318 #189037
split-complementary
#183590 #903718 #719018
monochromatic
#070E27 #0F225C #183590 #2148C4 #4369E0

Accessibility & contrast

On white

10.76
#183590 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.95
#183590 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183590
10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##183590#FFFFFF#000000##FFFFFF
##1835901.0010.761.9510.76
#FFFFFF10.761.0021.001.00
#0000001.9521.001.0021.00
##FFFFFF10.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004393
Deuteranopia (green-blind)
#00388E
Tritanopia (blue-blind)
#004D5D
Achromatopsia (no color)
#3E3E3E

Design tokens & code

CSS
--color: #183590;
/* rgb */ color: rgb(24, 53, 144);
/* oklch */ color: oklch(37.2% 0.154 265.5);
Tailwind
colors: {
  custom: {
    50: '#6c6bb1',
    500: '#183590',
    950: '#000000',
  },
}
SCSS
$custom: #183590;
$custom-light: #6c6bb1;
$custom-dark: #000000;
JSON
{
  "hex": "#183590",
  "rgb": {
    "r": 24,
    "g": 53,
    "b": 144
  },
  "hsl": {
    "h": 225.5,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.37178,
    "c": 0.15418,
    "h": 265.5
  },
  "luminance": 0.04754
}

Semantic roles & 50–950 ramp

primary
#183590
secondary
#C0A243
accent
#C33AEE
background
#F7F6FB
surface
#EDEBF6
border
#C8C6D0
text
#080611
muted
#7B7A80

Preview Lab

Preview with #183590

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

Preview Lab → · Contrast checker → · Palette generator →

#183590 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva