#18198D#18198D

#18198D is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.2% C 0.181 H 269.9°. Best body text is #FFFFFF at 13.44:1 contrast (WCAG AA passes).

Color values

HEX#18198D
RGBrgb(24, 25, 141)
HSLhsl(239, 71%, 32%)
HSVhsv(239, 83%, 55%)
CMYKcmyk(83%, 82.3%, 0%, 44.7%)
CIE-LABlab(19.27, 41.71, -62.37)
CIE-LCHlch(19.27, 75.03, 303.77°)
OKLaboklab(32.21% -0.0002 -0.1806)
OKLCHoklch(32.21% 0.181 269.9)
XYZxyz(5.5304, 2.8119, 25.4454)
Luminance0.0281 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18198D #8D8C18
analogous
#18548D #18198D #51188D
triadic
#18198D #8D1819 #198D18
tetradic
#18198D #8D1854 #8D8C18 #188D51
square
#18198D #8D1854 #8D8C18 #188D51
split-complementary
#18198D #8D5118 #548D18
monochromatic
#060624 #0F1059 #18198D #2122C1 #4142DF

Accessibility & contrast

On white

13.44
#18198D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.56
#18198D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18198D
13.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18198D#FFFFFF#000000##FFFFFF
##18198D1.0013.441.5613.44
#FFFFFF13.441.0021.001.00
#0000001.5621.001.0021.00
##FFFFFF13.441.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003590
Deuteranopia (green-blind)
#00298B
Tritanopia (blue-blind)
#003E54
Achromatopsia (no color)
#2F2F2F

Design tokens & code

CSS
--color: #18198d;
/* rgb */ color: rgb(24, 25, 141);
/* oklch */ color: oklch(32.2% 0.181 269.9);
Tailwind
colors: {
  custom: {
    50: '#6e59b0',
    500: '#18198d',
    950: '#000000',
  },
}
SCSS
$custom: #18198d;
$custom-light: #6e59b0;
$custom-dark: #000000;
JSON
{
  "hex": "#18198d",
  "rgb": {
    "r": 24,
    "g": 25,
    "b": 141
  },
  "hsl": {
    "h": 239.487,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.32214,
    "c": 0.18061,
    "h": 269.9
  },
  "luminance": 0.02813
}

Semantic roles & 50–950 ramp

primary
#18198D
secondary
#BFBE42
accent
#EC3AEE
background
#F7F5FB
surface
#EDE9F6
border
#C8C5D0
text
#090411
muted
#7B7980

Preview Lab

Preview with #18198D

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

Preview Lab → · Contrast checker → · Palette generator →

#18198D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva