#156F81#156F81

#156F81 is a mid, moderate cyan. Relative luminance 0.131; OKLCH L 50.1% C 0.083 H 215.2°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX#156F81
RGBrgb(21, 111, 129)
HSLhsl(190, 72%, 29%)
HSVhsv(190, 84%, 51%)
CMYKcmyk(83.7%, 14%, 0%, 49.4%)
CIE-LABlab(42.93, -18.33, -17.11)
CIE-LCHlch(42.93, 25.07, 223.02°)
OKLaboklab(50.07% -0.0676 -0.0478)
OKLCHoklch(50.07% 0.083 215.2)
XYZxyz(9.9544, 13.1120, 22.7708)
Luminance0.1311 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#156F81 #812715
analogous
#15815D #156F81 #153981
triadic
#156F81 #81156F #6F8115
tetradic
#156F81 #5D1581 #812715 #398115
square
#156F81 #5D1581 #812715 #398115
split-complementary
#156F81 #811539 #815D15
monochromatic
#04171A #0C424C #156F81 #1E9CB6 #33C1DE

Accessibility & contrast

On white

5.80
#156F81 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.62
#156F81 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #156F81
5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##156F81#FFFFFF#000000##FFFFFF
##156F811.005.803.625.80
#FFFFFF5.801.0021.001.00
#0000003.6221.001.0021.00
##FFFFFF5.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#636B82
Deuteranopia (green-blind)
#546181
Tritanopia (blue-blind)
#007675
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #156f81;
/* rgb */ color: rgb(21, 111, 129);
/* oklch */ color: oklch(50.1% 0.083 215.2);
Tailwind
colors: {
  custom: {
    50: '#6898a5',
    500: '#156f81',
    950: '#000000',
  },
}
SCSS
$custom: #156f81;
$custom-light: #6898a5;
$custom-dark: #000000;
JSON
{
  "hex": "#156f81",
  "rgb": {
    "r": 21,
    "g": 111,
    "b": 129
  },
  "hsl": {
    "h": 190,
    "s": 72,
    "l": 29.412
  },
  "oklch": {
    "l": 0.50073,
    "c": 0.08283,
    "h": 215.2
  },
  "luminance": 0.13113
}

Semantic roles & 50–950 ramp

primary
#156F81
secondary
#B6503C
accent
#5739EF
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#070D0F
muted
#7A7E7F

Preview Lab

Preview with #156F81

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

Preview Lab → · Contrast checker → · Palette generator →

#156F81 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva