#156B81#156B81

#156B81 is a mid, moderate cyan. Relative luminance 0.123; OKLCH L 49.0% C 0.083 H 220.1°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX#156B81
RGBrgb(21, 107, 129)
HSLhsl(192, 72%, 29%)
HSVhsv(192, 84%, 51%)
CMYKcmyk(83.7%, 17.1%, 0%, 49.4%)
CIE-LABlab(41.62, -16.11, -19.11)
CIE-LCHlch(41.62, 25.00, 229.87°)
OKLaboklab(49.02% -0.0636 -0.0535)
OKLCHoklch(49.02% 0.083 220.1)
XYZxyz(9.5277, 12.2586, 22.6286)
Luminance0.1226 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#156B81 #812B15
analogous
#158161 #156B81 #153581
triadic
#156B81 #81156B #6B8115
tetradic
#156B81 #611581 #812B15 #358115
square
#156B81 #611581 #812B15 #358115
split-complementary
#156B81 #811535 #816115
monochromatic
#04161A #0C3F4C #156B81 #1E97B6 #33BBDE

Accessibility & contrast

On white

6.08
#156B81 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.45
#156B81 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #156B81
6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##156B81#FFFFFF#000000##FFFFFF
##156B811.006.083.456.08
#FFFFFF6.081.0021.001.00
#0000003.4521.001.0021.00
##FFFFFF6.081.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5E6882
Deuteranopia (green-blind)
#505E81
Tritanopia (blue-blind)
#007272
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #156b81;
/* rgb */ color: rgb(21, 107, 129);
/* oklch */ color: oklch(49.0% 0.083 220.1);
Tailwind
colors: {
  custom: {
    50: '#6795a5',
    500: '#156b81',
    950: '#000000',
  },
}
SCSS
$custom: #156b81;
$custom-light: #6795a5;
$custom-dark: #000000;
JSON
{
  "hex": "#156b81",
  "rgb": {
    "r": 21,
    "g": 107,
    "b": 129
  },
  "hsl": {
    "h": 192.222,
    "s": 72,
    "l": 29.412
  },
  "oklch": {
    "l": 0.4902,
    "c": 0.08311,
    "h": 220.1
  },
  "luminance": 0.1226
}

Semantic roles & 50–950 ramp

primary
#156B81
secondary
#B6553C
accent
#5E39EF
background
#F6F9FA
surface
#ECF1F4
border
#C7CBCE
text
#070D0F
muted
#7A7E7F

Preview Lab

Preview with #156B81

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

Preview Lab → · Contrast checker → · Palette generator →

#156B81 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva