#156C81#156C81

#156C81 is a mid, moderate cyan. Relative luminance 0.125; OKLCH L 49.3% C 0.083 H 218.9°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX#156C81
RGBrgb(21, 108, 129)
HSLhsl(192, 72%, 29%)
HSVhsv(192, 84%, 51%)
CMYKcmyk(83.7%, 16.3%, 0%, 49.4%)
CIE-LABlab(41.95, -16.67, -18.61)
CIE-LCHlch(41.95, 24.99, 228.15°)
OKLaboklab(49.28% -0.0646 -0.0521)
OKLCHoklch(49.28% 0.083 218.9)
XYZxyz(9.6326, 12.4683, 22.6636)
Luminance0.1247 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#156C81 #812A15
analogous
#158160 #156C81 #153681
triadic
#156C81 #81156C #6C8115
tetradic
#156C81 #601581 #812A15 #368115
square
#156C81 #601581 #812A15 #368115
split-complementary
#156C81 #811536 #816015
monochromatic
#04161A #0C404C #156C81 #1E98B6 #33BCDE

Accessibility & contrast

On white

6.01
#156C81 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.49
#156C81 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #156C81
6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##156C81#FFFFFF#000000##FFFFFF
##156C811.006.013.496.01
#FFFFFF6.011.0021.001.00
#0000003.4921.001.0021.00
##FFFFFF6.011.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5F6982
Deuteranopia (green-blind)
#515F81
Tritanopia (blue-blind)
#007373
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #156c81;
/* rgb */ color: rgb(21, 108, 129);
/* oklch */ color: oklch(49.3% 0.083 218.9);
Tailwind
colors: {
  custom: {
    50: '#6796a5',
    500: '#156c81',
    950: '#000000',
  },
}
SCSS
$custom: #156c81;
$custom-light: #6796a5;
$custom-dark: #000000;
JSON
{
  "hex": "#156c81",
  "rgb": {
    "r": 21,
    "g": 108,
    "b": 129
  },
  "hsl": {
    "h": 191.667,
    "s": 72,
    "l": 29.412
  },
  "oklch": {
    "l": 0.49283,
    "c": 0.08297,
    "h": 218.9
  },
  "luminance": 0.1247
}

Semantic roles & 50–950 ramp

primary
#156C81
secondary
#B6543C
accent
#5C39EF
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#070D0F
muted
#7A7E7F

Preview Lab

Preview with #156C81

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

Preview Lab → · Contrast checker → · Palette generator →

#156C81 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva