#183587#183587

#183587 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.3% C 0.142 H 265.1°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX#183587
RGBrgb(24, 53, 135)
HSLhsl(224, 70%, 31%)
HSVhsv(224, 82%, 53%)
CMYKcmyk(82.2%, 60.7%, 0%, 47.1%)
CIE-LABlab(25.23, 21.62, -48.83)
CIE-LCHlch(25.23, 53.40, 293.88°)
OKLaboklab(36.34% -0.0122 -0.1411)
OKLCHoklch(36.34% 0.142 265.1)
XYZxyz(6.0214, 4.4890, 23.4661)
Luminance0.0449 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#183587 #876A18
analogous
#186C87 #183587 #321887
triadic
#183587 #871835 #358718
tetradic
#183587 #87186C #876A18 #188732
square
#183587 #87186C #876A18 #188732
split-complementary
#183587 #873218 #6C8718
monochromatic
#060C1F #0F2153 #183587 #2149BB #3D67DC

Accessibility & contrast

On white

11.06
#183587 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.90
#183587 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183587
11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##183587#FFFFFF#000000##FFFFFF
##1835871.0011.061.9011.06
#FFFFFF11.061.0021.001.00
#0000001.9021.001.0021.00
##FFFFFF11.061.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00418A
Deuteranopia (green-blind)
#003785
Tritanopia (blue-blind)
#004A58
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #183587;
/* rgb */ color: rgb(24, 53, 135);
/* oklch */ color: oklch(36.3% 0.142 265.1);
Tailwind
colors: {
  custom: {
    50: '#696bab',
    500: '#183587',
    950: '#000000',
  },
}
SCSS
$custom: #183587;
$custom-light: #696bab;
$custom-dark: #000000;
JSON
{
  "hex": "#183587",
  "rgb": {
    "r": 24,
    "g": 53,
    "b": 135
  },
  "hsl": {
    "h": 224.324,
    "s": 69.811,
    "l": 31.176
  },
  "oklch": {
    "l": 0.3634,
    "c": 0.14167,
    "h": 265.1
  },
  "luminance": 0.0449
}

Semantic roles & 50–950 ramp

primary
#183587
secondary
#BB9B40
accent
#BE3BED
background
#F6F6FA
surface
#ECEBF4
border
#C7C6CE
text
#070610
muted
#7A7A7F

Preview Lab

Preview with #183587

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

Preview Lab → · Contrast checker → · Palette generator →

#183587 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva