#18728A#18728A

#18728A is a mid, moderate cyan. Relative luminance 0.141; OKLCH L 51.3% C 0.087 H 220.9°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX#18728A
RGBrgb(24, 114, 138)
HSLhsl(193, 70%, 32%)
HSVhsv(193, 83%, 54%)
CMYKcmyk(82.6%, 17.4%, 0%, 45.9%)
CIE-LABlab(44.32, -16.50, -20.35)
CIE-LCHlch(44.32, 26.20, 230.97°)
OKLaboklab(51.33% -0.0659 -0.057)
OKLCHoklch(51.33% 0.087 220.9)
XYZxyz(10.9795, 14.0624, 26.1755)
Luminance0.1406 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18728A #8A3018
analogous
#188A69 #18728A #18398A
triadic
#18728A #8A1872 #728A18
tetradic
#18728A #69188A #8A3018 #398A18
square
#18728A #69188A #8A3018 #398A18
split-complementary
#18728A #8A1839 #8A6918
monochromatic
#061C22 #0F4756 #18728A #219DBE #3FBCDE

Accessibility & contrast

On white

5.51
#18728A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.81
#18728A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18728A
5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18728A#FFFFFF#000000##FFFFFF
##18728A1.005.513.815.51
#FFFFFF5.511.0021.001.00
#0000003.8121.001.0021.00
##FFFFFF5.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#646F8B
Deuteranopia (green-blind)
#55648A
Tritanopia (blue-blind)
#007A7A
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #18728a;
/* rgb */ color: rgb(24, 114, 138);
/* oklch */ color: oklch(51.3% 0.087 220.9);
Tailwind
colors: {
  custom: {
    50: '#6a9aac',
    500: '#18728a',
    950: '#000000',
  },
}
SCSS
$custom: #18728a;
$custom-light: #6a9aac;
$custom-dark: #000000;
JSON
{
  "hex": "#18728a",
  "rgb": {
    "r": 24,
    "g": 114,
    "b": 138
  },
  "hsl": {
    "h": 192.632,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.51328,
    "c": 0.0871,
    "h": 220.9
  },
  "luminance": 0.14064
}

Semantic roles & 50–950 ramp

primary
#18728A
secondary
#BD5B40
accent
#603BED
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#080E10
muted
#7A7E7F

Preview Lab

Preview with #18728A

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

Preview Lab → · Contrast checker → · Palette generator →

#18728A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva