#156A7B#156A7B

#156A7B is a mid, moderate cyan. Relative luminance 0.119; OKLCH L 48.5% C 0.080 H 215.1°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX#156A7B
RGBrgb(21, 106, 123)
HSLhsl(190, 71%, 28%)
HSVhsv(190, 83%, 48%)
CMYKcmyk(82.9%, 13.8%, 0%, 51.8%)
CIE-LABlab(41.05, -17.70, -16.37)
CIE-LCHlch(41.05, 24.11, 222.76°)
OKLaboklab(48.48% -0.0651 -0.0457)
OKLCHoklch(48.48% 0.08 215.1)
XYZxyz(9.0369, 11.8964, 20.5550)
Luminance0.1190 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#156A7B #7B2615
analogous
#157B59 #156A7B #15377B
triadic
#156A7B #7B156A #6A7B15
tetradic
#156A7B #59157B #7B2615 #377B15
square
#156A7B #59157B #7B2615 #377B15
split-complementary
#156A7B #7B1537 #7B5915
monochromatic
#04171A #0C3D47 #156A7B #1E97AF #2FBFDB

Accessibility & contrast

On white

6.21
#156A7B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.38
#156A7B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #156A7B
6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##156A7B#FFFFFF#000000##FFFFFF
##156A7B1.006.213.386.21
#FFFFFF6.211.0021.001.00
#0000003.3821.001.0021.00
##FFFFFF6.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5E667C
Deuteranopia (green-blind)
#515D7B
Tritanopia (blue-blind)
#00706F
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #156a7b;
/* rgb */ color: rgb(21, 106, 123);
/* oklch */ color: oklch(48.5% 0.080 215.1);
Tailwind
colors: {
  custom: {
    50: '#6694a1',
    500: '#156a7b',
    950: '#000000',
  },
}
SCSS
$custom: #156a7b;
$custom-light: #6694a1;
$custom-dark: #000000;
JSON
{
  "hex": "#156a7b",
  "rgb": {
    "r": 21,
    "g": 106,
    "b": 123
  },
  "hsl": {
    "h": 190,
    "s": 70.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.48477,
    "c": 0.07955,
    "h": 215.1
  },
  "luminance": 0.11898
}

Semantic roles & 50–950 ramp

primary
#156A7B
secondary
#B04F3B
accent
#583AEE
background
#F6F9F9
surface
#EBF1F2
border
#C6CBCC
text
#070D0F
muted
#7A7E7E

Preview Lab

Preview with #156A7B

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

Preview Lab → · Contrast checker → · Palette generator →

#156A7B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva