#184D8E#184D8E

#184D8E is a dark, vivid cyan. Relative luminance 0.075; OKLCH L 42.3% C 0.121 H 255.8°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX#184D8E
RGBrgb(24, 77, 142)
HSLhsl(213, 71%, 33%)
HSVhsv(213, 83%, 56%)
CMYKcmyk(83.1%, 45.8%, 0%, 44.3%)
CIE-LABlab(32.82, 7.88, -40.87)
CIE-LCHlch(32.82, 41.62, 280.92°)
OKLaboklab(42.3% -0.0296 -0.1172)
OKLCHoklch(42.3% 0.121 255.8)
XYZxyz(7.9112, 7.4540, 26.6077)
Luminance0.0746 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#184D8E #8E5918
analogous
#18888E #184D8E #1E188E
triadic
#184D8E #8E184D #4D8E18
tetradic
#184D8E #8E1888 #8E5918 #188E1E
square
#184D8E #8E1888 #8E5918 #188E1E
split-complementary
#184D8E #8E1E18 #888E18
monochromatic
#061425 #0F315A #184D8E #2169C2 #4188DF

Accessibility & contrast

On white

8.43
#184D8E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.49
#184D8E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184D8E
8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##184D8E#FFFFFF#000000##FFFFFF
##184D8E1.008.432.498.43
#FFFFFF8.431.0021.001.00
#0000002.4921.001.0021.00
##FFFFFF8.431.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2B5390
Deuteranopia (green-blind)
#11488D
Tritanopia (blue-blind)
#005D66
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #184d8e;
/* rgb */ color: rgb(24, 77, 142);
/* oklch */ color: oklch(42.3% 0.121 255.8);
Tailwind
colors: {
  custom: {
    50: '#6a7eaf',
    500: '#184d8e',
    950: '#000000',
  },
}
SCSS
$custom: #184d8e;
$custom-light: #6a7eaf;
$custom-dark: #000000;
JSON
{
  "hex": "#184d8e",
  "rgb": {
    "r": 24,
    "g": 77,
    "b": 142
  },
  "hsl": {
    "h": 213.051,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.42296,
    "c": 0.12091,
    "h": 255.8
  },
  "luminance": 0.07455
}

Semantic roles & 50–950 ramp

primary
#184D8E
secondary
#C08742
accent
#9D3AEE
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070910
muted
#7A7B7F

Preview Lab

Preview with #184D8E

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

Preview Lab → · Contrast checker → · Palette generator →

#184D8E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva