#155580#155580

#155580 is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.3% C 0.094 H 243.5°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX#155580
RGBrgb(21, 85, 128)
HSLhsl(204, 72%, 29%)
HSVhsv(204, 84%, 50%)
CMYKcmyk(83.6%, 33.6%, 0%, 49.8%)
CIE-LABlab(34.42, -3.34, -29.72)
CIE-LCHlch(34.42, 29.91, 263.58°)
OKLaboklab(43.26% -0.042 -0.0844)
OKLCHoklch(43.26% 0.094 243.5)
XYZxyz(7.4525, 8.2140, 21.6106)
Luminance0.0822 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#155580 #804015
analogous
#158076 #155580 #152080
triadic
#155580 #801555 #558015
tetradic
#155580 #761580 #804015 #208015
square
#155580 #761580 #804015 #208015
split-complementary
#155580 #801520 #807615
monochromatic
#04111A #0C324B #155580 #1E78B5 #3299DD

Accessibility & contrast

On white

7.95
#155580 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.64
#155580 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155580
7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##155580#FFFFFF#000000##FFFFFF
##1555801.007.952.647.95
#FFFFFF7.951.0021.001.00
#0000002.6421.001.0021.00
##FFFFFF7.951.0021.001.00

Color blindness preview

Protanopia (red-blind)
#415682
Deuteranopia (green-blind)
#324D7F
Tritanopia (blue-blind)
#006064
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #155580;
/* rgb */ color: rgb(21, 85, 128);
/* oklch */ color: oklch(43.3% 0.094 243.5);
Tailwind
colors: {
  custom: {
    50: '#6684a5',
    500: '#155580',
    950: '#000000',
  },
}
SCSS
$custom: #155580;
$custom-light: #6684a5;
$custom-dark: #000000;
JSON
{
  "hex": "#155580",
  "rgb": {
    "r": 21,
    "g": 85,
    "b": 128
  },
  "hsl": {
    "h": 204.112,
    "s": 71.812,
    "l": 29.216
  },
  "oklch": {
    "l": 0.43261,
    "c": 0.09431,
    "h": 243.5
  },
  "luminance": 0.08215
}

Semantic roles & 50–950 ramp

primary
#155580
secondary
#B56D3C
accent
#8239EF
background
#F6F8FA
surface
#EBEFF4
border
#C6CACE
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #155580

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

Preview Lab → · Contrast checker → · Palette generator →

#155580 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva