#181083#181083

#181083 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.9% C 0.176 H 271.3°. Best body text is #FFFFFF at 14.58:1 contrast (WCAG AA passes).

Color values

HEX#181083
RGBrgb(24, 16, 131)
HSLhsl(244, 78%, 29%)
HSVhsv(244, 88%, 51%)
CMYKcmyk(81.7%, 87.8%, 0%, 48.6%)
CIE-LABlab(16.52, 42.80, -60.66)
CIE-LCHlch(16.52, 74.24, 305.20°)
OKLaboklab(29.94% 0.0041 -0.1755)
OKLCHoklch(29.94% 0.176 271.3)
XYZxyz(4.6573, 2.2029, 21.6481)
Luminance0.0220 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#181083 #7B8310
analogous
#104283 #181083 #521083
triadic
#181083 #831810 #108318
tetradic
#181083 #831042 #7B8310 #108352
square
#181083 #831042 #7B8310 #108352
split-complementary
#181083 #835210 #428310
monochromatic
#05031B #0E094C #181083 #2217BA #3629E5

Accessibility & contrast

On white

14.58
#181083 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.44
#181083 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181083
14.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##181083#FFFFFF#000000##FFFFFF
##1810831.0014.581.4414.58
#FFFFFF14.581.0021.001.00
#0000001.4421.001.0021.00
##FFFFFF14.581.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002E86
Deuteranopia (green-blind)
#002381
Tritanopia (blue-blind)
#00374C
Achromatopsia (no color)
#292929

Design tokens & code

CSS
--color: #181083;
/* rgb */ color: rgb(24, 16, 131);
/* oklch */ color: oklch(29.9% 0.176 271.3);
Tailwind
colors: {
  custom: {
    50: '#6c53a8',
    500: '#181083',
    950: '#000000',
  },
}
SCSS
$custom: #181083;
$custom-light: #6c53a8;
$custom-dark: #000000;
JSON
{
  "hex": "#181083",
  "rgb": {
    "r": 24,
    "g": 16,
    "b": 131
  },
  "hsl": {
    "h": 244.174,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.29939,
    "c": 0.17554,
    "h": 271.3
  },
  "luminance": 0.02203
}

Semantic roles & 50–950 ramp

primary
#181083
secondary
#B0B936
accent
#F533E7
background
#F7F4FA
surface
#EDE8F4
border
#C8C4CE
text
#080310
muted
#7B787F

Preview Lab

Preview with #181083

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

Preview Lab → · Contrast checker → · Palette generator →

#181083 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva