#18809B#18809B

#18809B is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 55.7% C 0.096 H 220.8°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX#18809B
RGBrgb(24, 128, 155)
HSLhsl(192, 73%, 35%)
HSVhsv(192, 85%, 61%)
CMYKcmyk(84.5%, 17.4%, 0%, 39.2%)
CIE-LABlab(49.49, -18.18, -22.42)
CIE-LCHlch(49.49, 28.86, 230.97°)
OKLaboklab(55.72% -0.0727 -0.0628)
OKLCHoklch(55.72% 0.096 220.8)
XYZxyz(14.0097, 17.9973, 33.7394)
Luminance0.1800 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18809B #9B3318
analogous
#189B74 #18809B #183F9B
triadic
#18809B #9B1880 #809B18
tetradic
#18809B #74189B #9B3318 #3F9B18
square
#18809B #74189B #9B3318 #3F9B18
split-complementary
#18809B #9B183F #9B7418
monochromatic
#082831 #105466 #18809B #20ACD0 #4AC4E3

Accessibility & contrast

On white

4.57
#18809B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.60
#18809B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #18809B
4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18809B#FFFFFF#000000##000000
##18809B1.004.574.604.60
#FFFFFF4.571.0021.0021.00
#0000004.6021.001.001.00
##0000004.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#707C9C
Deuteranopia (green-blind)
#5F709B
Tritanopia (blue-blind)
#008989
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #18809b;
/* rgb */ color: rgb(24, 128, 155);
/* oklch */ color: oklch(55.7% 0.096 220.8);
Tailwind
colors: {
  custom: {
    50: '#6fa5b8',
    500: '#18809b',
    950: '#000000',
  },
}
SCSS
$custom: #18809b;
$custom-light: #6fa5b8;
$custom-dark: #000000;
JSON
{
  "hex": "#18809b",
  "rgb": {
    "r": 24,
    "g": 128,
    "b": 155
  },
  "hsl": {
    "h": 192.366,
    "s": 73.184,
    "l": 35.098
  },
  "oklch": {
    "l": 0.55716,
    "c": 0.09613,
    "h": 220.8
  },
  "luminance": 0.17999
}

Semantic roles & 50–950 ramp

primary
#18809B
secondary
#C5634A
accent
#5E38F0
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#090F11
muted
#7B7F80

Preview Lab

Preview with #18809B

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

Preview Lab → · Contrast checker → · Palette generator →

#18809B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva