#186B8E#186B8E

#186B8E is a mid, moderate cyan. Relative luminance 0.127; OKLCH L 49.7% C 0.093 H 231.9°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX#186B8E
RGBrgb(24, 107, 142)
HSLhsl(198, 71%, 33%)
HSVhsv(198, 83%, 56%)
CMYKcmyk(83.1%, 24.6%, 0%, 44.3%)
CIE-LABlab(42.25, -11.04, -25.96)
CIE-LCHlch(42.25, 28.21, 246.95°)
OKLaboklab(49.72% -0.0573 -0.0732)
OKLCHoklch(49.72% 0.093 231.9)
XYZxyz(10.5149, 12.6613, 27.4756)
Luminance0.1266 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#186B8E #8E3B18
analogous
#188E76 #186B8E #18308E
triadic
#186B8E #8E186B #6B8E18
tetradic
#186B8E #76188E #8E3B18 #308E18
square
#186B8E #76188E #8E3B18 #308E18
split-complementary
#186B8E #8E1830 #8E7618
monochromatic
#061C25 #0F445A #186B8E #2192C2 #41B0DF

Accessibility & contrast

On white

5.94
#186B8E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.53
#186B8E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #186B8E
5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##186B8E#FFFFFF#000000##FFFFFF
##186B8E1.005.943.535.94
#FFFFFF5.941.0021.001.00
#0000003.5321.001.0021.00
##FFFFFF5.941.0021.001.00

Color blindness preview

Protanopia (red-blind)
#596A90
Deuteranopia (green-blind)
#4A5F8D
Tritanopia (blue-blind)
#007477
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #186b8e;
/* rgb */ color: rgb(24, 107, 142);
/* oklch */ color: oklch(49.7% 0.093 231.9);
Tailwind
colors: {
  custom: {
    50: '#6a95af',
    500: '#186b8e',
    950: '#000000',
  },
}
SCSS
$custom: #186b8e;
$custom-light: #6a95af;
$custom-dark: #000000;
JSON
{
  "hex": "#186b8e",
  "rgb": {
    "r": 24,
    "g": 107,
    "b": 142
  },
  "hsl": {
    "h": 197.797,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.49724,
    "c": 0.09294,
    "h": 231.9
  },
  "luminance": 0.12663
}

Semantic roles & 50–950 ramp

primary
#186B8E
secondary
#C06742
accent
#6F3AEE
background
#F6F9FA
surface
#ECF1F4
border
#C7CBCE
text
#080D10
muted
#7A7E7F

Preview Lab

Preview with #186B8E

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

Preview Lab → · Contrast checker → · Palette generator →

#186B8E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva