#155780#155780

#155780 is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.8% C 0.093 H 241.6°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX#155780
RGBrgb(21, 87, 128)
HSLhsl(203, 72%, 29%)
HSVhsv(203, 84%, 50%)
CMYKcmyk(83.6%, 32%, 0%, 49.8%)
CIE-LABlab(35.07, -4.61, -28.71)
CIE-LCHlch(35.07, 29.07, 260.88°)
OKLaboklab(43.77% -0.044 -0.0814)
OKLCHoklch(43.77% 0.093 241.6)
XYZxyz(7.6122, 8.5334, 21.6638)
Luminance0.0853 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#155780 #803E15
analogous
#158074 #155780 #152180
triadic
#155780 #801557 #578015
tetradic
#155780 #741580 #803E15 #218015
square
#155780 #741580 #803E15 #218015
split-complementary
#155780 #801521 #807415
monochromatic
#04121A #0C334B #155780 #1E7BB5 #329CDD

Accessibility & contrast

On white

7.76
#155780 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.71
#155780 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155780
7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##155780#FFFFFF#000000##FFFFFF
##1557801.007.762.717.76
#FFFFFF7.761.0021.001.00
#0000002.7121.001.0021.00
##FFFFFF7.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#445882
Deuteranopia (green-blind)
#354E7F
Tritanopia (blue-blind)
#006166
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #155780;
/* rgb */ color: rgb(21, 87, 128);
/* oklch */ color: oklch(43.8% 0.093 241.6);
Tailwind
colors: {
  custom: {
    50: '#6686a5',
    500: '#155780',
    950: '#000000',
  },
}
SCSS
$custom: #155780;
$custom-light: #6686a5;
$custom-dark: #000000;
JSON
{
  "hex": "#155780",
  "rgb": {
    "r": 21,
    "g": 87,
    "b": 128
  },
  "hsl": {
    "h": 202.991,
    "s": 71.812,
    "l": 29.216
  },
  "oklch": {
    "l": 0.43771,
    "c": 0.09254,
    "h": 241.6
  },
  "luminance": 0.08534
}

Semantic roles & 50–950 ramp

primary
#155780
secondary
#B56A3C
accent
#7F39EF
background
#F6F8FA
surface
#EBEFF4
border
#C6CACE
text
#070B0F
muted
#7A7C7F

Preview Lab

Preview with #155780

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

Preview Lab → · Contrast checker → · Palette generator →

#155780 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva