#181690#181690

#181690 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.2% C 0.187 H 269.9°. Best body text is #FFFFFF at 13.49:1 contrast (WCAG AA passes).

Color values

HEX#181690
RGBrgb(24, 22, 144)
HSLhsl(241, 73%, 33%)
HSVhsv(241, 85%, 56%)
CMYKcmyk(83.3%, 84.7%, 0%, 43.5%)
CIE-LABlab(19.14, 44.18, -64.46)
CIE-LCHlch(19.14, 78.15, 304.43°)
OKLaboklab(32.23% -0.0002 -0.1866)
OKLCHoklch(32.23% 0.187 269.9)
XYZxyz(5.6959, 2.7810, 26.6167)
Luminance0.0278 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#181690 #8E9016
analogous
#165190 #181690 #551690
triadic
#181690 #901816 #169018
tetradic
#181690 #901651 #8E9016 #169055
square
#181690 #901651 #8E9016 #169055
split-complementary
#181690 #905516 #519016
monochromatic
#060626 #0F0E5B #181690 #211EC5 #413FE2

Accessibility & contrast

On white

13.49
#181690 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.56
#181690 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181690
13.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##181690#FFFFFF#000000##FFFFFF
##1816901.0013.491.5613.49
#FFFFFF13.491.0021.001.00
#0000001.5621.001.0021.00
##FFFFFF13.491.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003593
Deuteranopia (green-blind)
#00288E
Tritanopia (blue-blind)
#003E55
Achromatopsia (no color)
#2E2E2E

Design tokens & code

CSS
--color: #181690;
/* rgb */ color: rgb(24, 22, 144);
/* oklch */ color: oklch(32.2% 0.187 269.9);
Tailwind
colors: {
  custom: {
    50: '#6f57b2',
    500: '#181690',
    950: '#000000',
  },
}
SCSS
$custom: #181690;
$custom-light: #6f57b2;
$custom-dark: #000000;
JSON
{
  "hex": "#181690",
  "rgb": {
    "r": 24,
    "g": 22,
    "b": 144
  },
  "hsl": {
    "h": 240.984,
    "s": 73.494,
    "l": 32.549
  },
  "oklch": {
    "l": 0.32233,
    "c": 0.18659,
    "h": 269.9
  },
  "luminance": 0.02782
}

Semantic roles & 50–950 ramp

primary
#181690
secondary
#C0C240
accent
#F038ED
background
#F7F5FB
surface
#EDE9F6
border
#C8C5D0
text
#090311
muted
#7B7880

Preview Lab

Preview with #181690

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

Preview Lab → · Contrast checker → · Palette generator →

#181690 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva