#184E99#184E99

#184E99 is a dark, vivid cyan. Relative luminance 0.079; OKLCH L 43.3% C 0.135 H 257.9°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX#184E99
RGBrgb(24, 78, 153)
HSLhsl(215, 73%, 35%)
HSVhsv(215, 84%, 60%)
CMYKcmyk(84.3%, 49%, 0%, 40%)
CIE-LABlab(33.86, 11.69, -45.88)
CIE-LCHlch(33.86, 47.35, 284.30°)
OKLaboklab(43.34% -0.0283 -0.132)
OKLCHoklch(43.34% 0.135 257.9)
XYZxyz(8.8487, 7.9418, 31.1974)
Luminance0.0794 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#184E99 #996318
analogous
#188E99 #184E99 #231899
triadic
#184E99 #99184E #4E9918
tetradic
#184E99 #99188E #996318 #189923
square
#184E99 #99188E #996318 #189923
split-complementary
#184E99 #992318 #8E9918
monochromatic
#07182F #103364 #184E99 #2069CE #4989E2

Accessibility & contrast

On white

8.11
#184E99 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.59
#184E99 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184E99
8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##184E99#FFFFFF#000000##FFFFFF
##184E991.008.112.598.11
#FFFFFF8.111.0021.001.00
#0000002.5921.001.0021.00
##FFFFFF8.111.0021.001.00

Color blindness preview

Protanopia (red-blind)
#22569C
Deuteranopia (green-blind)
#004A98
Tritanopia (blue-blind)
#00606C
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #184e99;
/* rgb */ color: rgb(24, 78, 153);
/* oklch */ color: oklch(43.3% 0.135 257.9);
Tailwind
colors: {
  custom: {
    50: '#6c7eb8',
    500: '#184e99',
    950: '#000000',
  },
}
SCSS
$custom: #184e99;
$custom-light: #6c7eb8;
$custom-dark: #000000;
JSON
{
  "hex": "#184e99",
  "rgb": {
    "r": 24,
    "g": 78,
    "b": 153
  },
  "hsl": {
    "h": 214.884,
    "s": 72.881,
    "l": 34.706
  },
  "oklch": {
    "l": 0.43339,
    "c": 0.13498,
    "h": 257.9
  },
  "luminance": 0.07943
}

Semantic roles & 50–950 ramp

primary
#184E99
secondary
#C49049
accent
#A338F0
background
#F7F7FB
surface
#EDEEF6
border
#C8C9D0
text
#080A11
muted
#7B7C80

Preview Lab

Preview with #184E99

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

Preview Lab → · Contrast checker → · Palette generator →

#184E99 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva