#183883#183883

#183883 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.6% C 0.132 H 263.7°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX#183883
RGBrgb(24, 56, 131)
HSLhsl(222, 69%, 30%)
HSVhsv(222, 82%, 51%)
CMYKcmyk(81.7%, 57.3%, 0%, 48.6%)
CIE-LABlab(25.74, 17.88, -45.49)
CIE-LCHlch(25.74, 48.88, 291.46°)
OKLaboklab(36.63% -0.0145 -0.1313)
OKLCHoklch(36.63% 0.132 263.7)
XYZxyz(5.8861, 4.6605, 22.0577)
Luminance0.0466 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#183883 #836318
analogous
#186D83 #183883 #2D1883
triadic
#183883 #831838 #388318
tetradic
#183883 #83186D #836318 #18832D
square
#183883 #83186D #836318 #18832D
split-complementary
#183883 #832D18 #6D8318
monochromatic
#050C1C #0F224F #183883 #214EB7 #3A6ADB

Accessibility & contrast

On white

10.87
#183883 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.93
#183883 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183883
10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##183883#FFFFFF#000000##FFFFFF
##1838831.0010.871.9310.87
#FFFFFF10.871.0021.001.00
#0000001.9321.001.0021.00
##FFFFFF10.871.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004286
Deuteranopia (green-blind)
#003882
Tritanopia (blue-blind)
#004B57
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #183883;
/* rgb */ color: rgb(24, 56, 131);
/* oklch */ color: oklch(36.6% 0.132 263.7);
Tailwind
colors: {
  custom: {
    50: '#686ea8',
    500: '#183883',
    950: '#000000',
  },
}
SCSS
$custom: #183883;
$custom-light: #686ea8;
$custom-dark: #000000;
JSON
{
  "hex": "#183883",
  "rgb": {
    "r": 24,
    "g": 56,
    "b": 131
  },
  "hsl": {
    "h": 222.056,
    "s": 69.032,
    "l": 30.392
  },
  "oklch": {
    "l": 0.36626,
    "c": 0.13207,
    "h": 263.7
  },
  "luminance": 0.04661
}

Semantic roles & 50–950 ramp

primary
#183883
secondary
#B79340
accent
#B73CEC
background
#F6F6FA
surface
#ECEBF4
border
#C7C6CE
text
#070710
muted
#7A7A7F

Preview Lab

Preview with #183883

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

Preview Lab → · Contrast checker → · Palette generator →

#183883 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva