#186A81#186A81

#186A81 is a mid, moderate cyan. Relative luminance 0.121; OKLCH L 48.8% C 0.082 H 221.7°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX#186A81
RGBrgb(24, 106, 129)
HSLhsl(193, 69%, 30%)
HSVhsv(193, 81%, 51%)
CMYKcmyk(81.4%, 17.8%, 0%, 49.4%)
CIE-LABlab(41.35, -15.24, -19.53)
CIE-LCHlch(41.35, 24.77, 232.03°)
OKLaboklab(48.82% -0.0614 -0.0547)
OKLCHoklch(48.82% 0.082 221.7)
XYZxyz(9.4915, 12.0861, 22.5972)
Luminance0.1209 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#186A81 #812F18
analogous
#188164 #186A81 #183581
triadic
#186A81 #81186A #6A8118
tetradic
#186A81 #641881 #812F18 #358118
square
#186A81 #641881 #812F18 #358118
split-complementary
#186A81 #811835 #816418
monochromatic
#05151A #0E404D #186A81 #2294B5 #39B7DA

Accessibility & contrast

On white

6.15
#186A81 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.42
#186A81 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #186A81
6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##186A81#FFFFFF#000000##FFFFFF
##186A811.006.153.426.15
#FFFFFF6.151.0021.001.00
#0000003.4221.001.0021.00
##FFFFFF6.151.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5C6782
Deuteranopia (green-blind)
#4F5D81
Tritanopia (blue-blind)
#007171
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #186a81;
/* rgb */ color: rgb(24, 106, 129);
/* oklch */ color: oklch(48.8% 0.082 221.7);
Tailwind
colors: {
  custom: {
    50: '#6894a5',
    500: '#186a81',
    950: '#000000',
  },
}
SCSS
$custom: #186a81;
$custom-light: #6894a5;
$custom-dark: #000000;
JSON
{
  "hex": "#186a81",
  "rgb": {
    "r": 24,
    "g": 106,
    "b": 129
  },
  "hsl": {
    "h": 193.143,
    "s": 68.627,
    "l": 30
  },
  "oklch": {
    "l": 0.48818,
    "c": 0.08225,
    "h": 221.7
  },
  "luminance": 0.12087
}

Semantic roles & 50–950 ramp

primary
#186A81
secondary
#B55940
accent
#633CEB
background
#F6F9FA
surface
#ECF1F4
border
#C7CBCE
text
#070D0F
muted
#7A7E7F

Preview Lab

Preview with #186A81

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

Preview Lab → · Contrast checker → · Palette generator →

#186A81 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva