#185B78#185B78

#185B78 is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.4% C 0.080 H 231.7°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX#185B78
RGBrgb(24, 91, 120)
HSLhsl(198, 67%, 28%)
HSVhsv(198, 80%, 47%)
CMYKcmyk(80%, 24.2%, 0%, 52.9%)
CIE-LABlab(36.04, -9.81, -22.25)
CIE-LCHlch(36.04, 24.32, 246.21°)
OKLaboklab(44.44% -0.0495 -0.0626)
OKLCHoklch(44.44% 0.08 231.7)
XYZxyz(7.5066, 9.0315, 19.1133)
Luminance0.0903 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#185B78 #783518
analogous
#187865 #185B78 #182B78
triadic
#185B78 #78185B #5B7818
tetradic
#185B78 #651878 #783518 #2B7818
square
#185B78 #651878 #783518 #2B7818
split-complementary
#185B78 #78182B #786518
monochromatic
#05131A #0E3445 #185B78 #2282AB #34A5D6

Accessibility & contrast

On white

7.48
#185B78 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.81
#185B78 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #185B78
7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##185B78#FFFFFF#000000##FFFFFF
##185B781.007.482.817.48
#FFFFFF7.481.0021.001.00
#0000002.8121.001.0021.00
##FFFFFF7.481.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4C5A79
Deuteranopia (green-blind)
#405178
Tritanopia (blue-blind)
#006365
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #185b78;
/* rgb */ color: rgb(24, 91, 120);
/* oklch */ color: oklch(44.4% 0.080 231.7);
Tailwind
colors: {
  custom: {
    50: '#65899f',
    500: '#185b78',
    950: '#000000',
  },
}
SCSS
$custom: #185b78;
$custom-light: #65899f;
$custom-dark: #000000;
JSON
{
  "hex": "#185b78",
  "rgb": {
    "r": 24,
    "g": 91,
    "b": 120
  },
  "hsl": {
    "h": 198.125,
    "s": 66.667,
    "l": 28.235
  },
  "oklch": {
    "l": 0.44436,
    "c": 0.07984,
    "h": 231.7
  },
  "luminance": 0.09032
}

Semantic roles & 50–950 ramp

primary
#185B78
secondary
#AD603F
accent
#723EEA
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#060B0E
muted
#7A7C7E

Preview Lab

Preview with #185B78

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

Preview Lab → · Contrast checker → · Palette generator →

#185B78 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva