#156181#156181

#156181 is a mid, moderate cyan. Relative luminance 0.103; OKLCH L 46.4% C 0.087 H 231.9°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX#156181
RGBrgb(21, 97, 129)
HSLhsl(198, 72%, 29%)
HSVhsv(198, 84%, 51%)
CMYKcmyk(83.7%, 24.8%, 0%, 49.4%)
CIE-LABlab(38.36, -10.33, -24.16)
CIE-LCHlch(38.36, 26.28, 246.84°)
OKLaboklab(46.41% -0.0535 -0.0681)
OKLCHoklch(46.41% 0.087 231.9)
XYZxyz(8.5448, 10.2927, 22.3010)
Luminance0.1029 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#156181 #813515
analogous
#15816B #156181 #152B81
triadic
#156181 #811561 #618115
tetradic
#156181 #6B1581 #813515 #2B8115
square
#156181 #6B1581 #813515 #2B8115
split-complementary
#156181 #81152B #816B15
monochromatic
#04141A #0C394C #156181 #1E89B6 #33ABDE

Accessibility & contrast

On white

6.87
#156181 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.06
#156181 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #156181
6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##156181#FFFFFF#000000##FFFFFF
##1561811.006.873.066.87
#FFFFFF6.871.0021.001.00
#0000003.0621.001.0021.00
##FFFFFF6.871.0021.001.00

Color blindness preview

Protanopia (red-blind)
#516083
Deuteranopia (green-blind)
#435681
Tritanopia (blue-blind)
#006A6C
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #156181;
/* rgb */ color: rgb(21, 97, 129);
/* oklch */ color: oklch(46.4% 0.087 231.9);
Tailwind
colors: {
  custom: {
    50: '#668da5',
    500: '#156181',
    950: '#000000',
  },
}
SCSS
$custom: #156181;
$custom-light: #668da5;
$custom-dark: #000000;
JSON
{
  "hex": "#156181",
  "rgb": {
    "r": 21,
    "g": 97,
    "b": 129
  },
  "hsl": {
    "h": 197.778,
    "s": 72,
    "l": 29.412
  },
  "oklch": {
    "l": 0.46406,
    "c": 0.08659,
    "h": 231.9
  },
  "luminance": 0.10294
}

Semantic roles & 50–950 ramp

primary
#156181
secondary
#B6603C
accent
#6F39EF
background
#F6F8FA
surface
#EBF0F4
border
#C6CBCE
text
#070C0F
muted
#7A7D7F

Preview Lab

Preview with #156181

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

Preview Lab → · Contrast checker → · Palette generator →

#156181 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva