#15506C#15506C

#15506C is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 40.8% C 0.075 H 233.9°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX#15506C
RGBrgb(21, 80, 108)
HSLhsl(199, 67%, 25%)
HSVhsv(199, 81%, 42%)
CMYKcmyk(80.6%, 25.9%, 0%, 57.6%)
CIE-LABlab(31.76, -8.07, -21.46)
CIE-LCHlch(31.76, 22.92, 249.40°)
OKLaboklab(40.81% -0.044 -0.0605)
OKLCHoklch(40.81% 0.075 233.9)
XYZxyz(5.8836, 6.9788, 15.2214)
Luminance0.0698 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15506C #6C3115
analogous
#156C5C #15506C #15256C
triadic
#15506C #6C1550 #506C15
tetradic
#15506C #5C156C #6C3115 #256C15
square
#15506C #5C156C #6C3115 #256C15
split-complementary
#15506C #6C1525 #6C5C15
monochromatic
#05131A #0B2A39 #15506C #1F769F #299CD2

Accessibility & contrast

On white

8.77
#15506C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.40
#15506C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15506C
8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15506C#FFFFFF#000000##FFFFFF
##15506C1.008.772.408.77
#FFFFFF8.771.0021.001.00
#0000002.4021.001.0021.00
##FFFFFF8.771.0021.001.00

Color blindness preview

Protanopia (red-blind)
#424F6D
Deuteranopia (green-blind)
#37476C
Tritanopia (blue-blind)
#00575A
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #15506c;
/* rgb */ color: rgb(21, 80, 108);
/* oklch */ color: oklch(40.8% 0.075 233.9);
Tailwind
colors: {
  custom: {
    50: '#618196',
    500: '#15506c',
    950: '#000000',
  },
}
SCSS
$custom: #15506c;
$custom-light: #618196;
$custom-dark: #000000;
JSON
{
  "hex": "#15506c",
  "rgb": {
    "r": 21,
    "g": 80,
    "b": 108
  },
  "hsl": {
    "h": 199.31,
    "s": 67.442,
    "l": 25.294
  },
  "oklch": {
    "l": 0.40808,
    "c": 0.07481,
    "h": 233.9
  },
  "luminance": 0.06979
}

Semantic roles & 50–950 ramp

primary
#15506C
secondary
#A35C3A
accent
#753DEA
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#060A0D
muted
#7A7C7E

Preview Lab

Preview with #15506C

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

Preview Lab → · Contrast checker → · Palette generator →

#15506C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva