#184E80#184E80

#184E80 is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.6% C 0.100 H 250.3°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX#184E80
RGBrgb(24, 78, 128)
HSLhsl(209, 68%, 30%)
HSVhsv(209, 81%, 50%)
CMYKcmyk(81.3%, 39.1%, 0%, 49.8%)
CIE-LABlab(32.26, 1.53, -33.15)
CIE-LCHlch(32.26, 33.18, 272.64°)
OKLaboklab(41.58% -0.0338 -0.0945)
OKLCHoklch(41.58% 0.1 250.3)
XYZxyz(6.9959, 7.2006, 21.4390)
Luminance0.0720 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#184E80 #804A18
analogous
#18807E #184E80 #181A80
triadic
#184E80 #80184E #4E8018
tetradic
#184E80 #7E1880 #804A18 #1A8018
square
#184E80 #7E1880 #804A18 #1A8018
split-complementary
#184E80 #80181A #807E18
monochromatic
#05101A #0E2F4C #184E80 #226DB4 #398CDA

Accessibility & contrast

On white

8.61
#184E80 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.44
#184E80 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184E80
8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##184E80#FFFFFF#000000##FFFFFF
##184E801.008.612.448.61
#FFFFFF8.611.0021.001.00
#0000002.4421.001.0021.00
##FFFFFF8.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#365182
Deuteranopia (green-blind)
#26487F
Tritanopia (blue-blind)
#005A61
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #184e80;
/* rgb */ color: rgb(24, 78, 128);
/* oklch */ color: oklch(41.6% 0.100 250.3);
Tailwind
colors: {
  custom: {
    50: '#667fa5',
    500: '#184e80',
    950: '#000000',
  },
}
SCSS
$custom: #184e80;
$custom-light: #667fa5;
$custom-dark: #000000;
JSON
{
  "hex": "#184e80",
  "rgb": {
    "r": 24,
    "g": 78,
    "b": 128
  },
  "hsl": {
    "h": 208.846,
    "s": 68.421,
    "l": 29.804
  },
  "oklch": {
    "l": 0.41578,
    "c": 0.10041,
    "h": 250.3
  },
  "luminance": 0.07201
}

Semantic roles & 50–950 ramp

primary
#184E80
secondary
#B47840
accent
#913DEB
background
#F6F7FA
surface
#EBEEF4
border
#C6C9CE
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #184E80

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

Preview Lab → · Contrast checker → · Palette generator →

#184E80 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva