#155C80#155C80

#155C80 is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.1% C 0.089 H 236.5°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX#155C80
RGBrgb(21, 92, 128)
HSLhsl(200, 72%, 29%)
HSVhsv(200, 84%, 50%)
CMYKcmyk(83.6%, 28.1%, 0%, 49.8%)
CIE-LABlab(36.69, -7.70, -26.16)
CIE-LCHlch(36.69, 27.28, 253.60°)
OKLaboklab(45.06% -0.0489 -0.074)
OKLCHoklch(45.06% 0.089 236.5)
XYZxyz(8.0311, 9.3712, 21.8034)
Luminance0.0937 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#155C80 #803915
analogous
#15806F #155C80 #152780
triadic
#155C80 #80155C #5C8015
tetradic
#155C80 #6F1580 #803915 #278015
square
#155C80 #6F1580 #803915 #278015
split-complementary
#155C80 #801527 #806F15
monochromatic
#04131A #0C364B #155C80 #1E82B5 #32A4DD

Accessibility & contrast

On white

7.31
#155C80 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.87
#155C80 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155C80
7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##155C80#FFFFFF#000000##FFFFFF
##155C801.007.312.877.31
#FFFFFF7.311.0021.001.00
#0000002.8721.001.0021.00
##FFFFFF7.311.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4B5C82
Deuteranopia (green-blind)
#3C527F
Tritanopia (blue-blind)
#006568
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #155c80;
/* rgb */ color: rgb(21, 92, 128);
/* oklch */ color: oklch(45.1% 0.089 236.5);
Tailwind
colors: {
  custom: {
    50: '#668aa5',
    500: '#155c80',
    950: '#000000',
  },
}
SCSS
$custom: #155c80;
$custom-light: #668aa5;
$custom-dark: #000000;
JSON
{
  "hex": "#155c80",
  "rgb": {
    "r": 21,
    "g": 92,
    "b": 128
  },
  "hsl": {
    "h": 200.187,
    "s": 71.812,
    "l": 29.216
  },
  "oklch": {
    "l": 0.45057,
    "c": 0.08866,
    "h": 236.5
  },
  "luminance": 0.09372
}

Semantic roles & 50–950 ramp

primary
#155C80
secondary
#B5653C
accent
#7639EF
background
#F6F8FA
surface
#EBF0F4
border
#C6CBCE
text
#070B0F
muted
#7A7C7F

Preview Lab

Preview with #155C80

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

Preview Lab → · Contrast checker → · Palette generator →

#155C80 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva