#184557#184557

#184557 is a dark, muted cyan. Relative luminance 0.051; OKLCH L 36.8% C 0.057 H 227.9°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX#184557
RGBrgb(24, 69, 87)
HSLhsl(197, 57%, 22%)
HSVhsv(197, 72%, 34%)
CMYKcmyk(72.4%, 20.7%, 0%, 65.9%)
CIE-LABlab(27.12, -8.77, -15.23)
CIE-LCHlch(27.12, 17.57, 240.06°)
OKLaboklab(36.81% -0.0384 -0.0426)
OKLCHoklch(36.81% 0.057 227.9)
XYZxyz(4.2244, 5.1381, 9.7841)
Luminance0.0514 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#184557 #572A18
analogous
#18574A #184557 #182657
triadic
#184557 #571845 #455718
tetradic
#184557 #4A1857 #572A18 #265718
square
#184557 #4A1857 #572A18 #265718
split-complementary
#184557 #571826 #574A18
monochromatic
#071318 #0B1F27 #184557 #256B87 #3291B7

Accessibility & contrast

On white

10.36
#184557 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.03
#184557 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184557
10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##184557#FFFFFF#000000##FFFFFF
##1845571.0010.362.0310.36
#FFFFFF10.361.0021.001.00
#0000002.0321.001.0021.00
##FFFFFF10.361.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3C4458
Deuteranopia (green-blind)
#333D57
Tritanopia (blue-blind)
#004A4B
Achromatopsia (no color)
#404040

Design tokens & code

CSS
--color: #184557;
/* rgb */ color: rgb(24, 69, 87);
/* oklch */ color: oklch(36.8% 0.057 227.9);
Tailwind
colors: {
  custom: {
    50: '#5e7886',
    500: '#184557',
    950: '#000000',
  },
}
SCSS
$custom: #184557;
$custom-light: #5e7886;
$custom-dark: #000000;
JSON
{
  "hex": "#184557",
  "rgb": {
    "r": 24,
    "g": 69,
    "b": 87
  },
  "hsl": {
    "h": 197.143,
    "s": 56.757,
    "l": 21.765
  },
  "oklch": {
    "l": 0.36809,
    "c": 0.05739,
    "h": 227.9
  },
  "luminance": 0.05139
}

Semantic roles & 50–950 ramp

primary
#184557
secondary
#8E543D
accent
#7348E0
background
#F5F7F8
surface
#E9EDEF
border
#C5C8CA
text
#05090B
muted
#797B7C

Preview Lab

Preview with #184557

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

Preview Lab → · Contrast checker → · Palette generator →

#184557 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva