#136C81#136C81

#136C81 is a mid, moderate cyan. Relative luminance 0.124; OKLCH L 49.2% C 0.084 H 218.7°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX#136C81
RGBrgb(19, 108, 129)
HSLhsl(191, 74%, 29%)
HSVhsv(191, 85%, 51%)
CMYKcmyk(85.3%, 16.3%, 0%, 49.4%)
CIE-LABlab(41.92, -16.86, -18.66)
CIE-LCHlch(41.92, 25.15, 227.91°)
OKLaboklab(49.25% -0.0652 -0.0522)
OKLCHoklch(49.25% 0.084 218.7)
XYZxyz(9.5919, 12.4473, 22.6617)
Luminance0.1245 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#136C81 #812813
analogous
#13815F #136C81 #133581
triadic
#136C81 #81136C #6C8113
tetradic
#136C81 #5F1381 #812813 #358113
square
#136C81 #5F1381 #812813 #358113
split-complementary
#136C81 #811335 #815F13
monochromatic
#04161B #0B3F4C #136C81 #1B99B6 #2EBEE0

Accessibility & contrast

On white

6.02
#136C81 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.49
#136C81 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #136C81
6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##136C81#FFFFFF#000000##FFFFFF
##136C811.006.023.496.02
#FFFFFF6.021.0021.001.00
#0000003.4921.001.0021.00
##FFFFFF6.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5F6982
Deuteranopia (green-blind)
#515E81
Tritanopia (blue-blind)
#007373
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #136c81;
/* rgb */ color: rgb(19, 108, 129);
/* oklch */ color: oklch(49.2% 0.084 218.7);
Tailwind
colors: {
  custom: {
    50: '#6796a5',
    500: '#136c81',
    950: '#000000',
  },
}
SCSS
$custom: #136c81;
$custom-light: #6796a5;
$custom-dark: #000000;
JSON
{
  "hex": "#136c81",
  "rgb": {
    "r": 19,
    "g": 108,
    "b": 129
  },
  "hsl": {
    "h": 191.455,
    "s": 74.324,
    "l": 29.02
  },
  "oklch": {
    "l": 0.49247,
    "c": 0.08359,
    "h": 218.7
  },
  "luminance": 0.12449
}

Semantic roles & 50–950 ramp

primary
#136C81
secondary
#B6513A
accent
#5A37F1
background
#F6F9FA
surface
#EBF2F4
border
#C6CCCE
text
#070D0F
muted
#7A7E7F

Preview Lab

Preview with #136C81

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

Preview Lab → · Contrast checker → · Palette generator →

#136C81 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva