#15506B#15506B

#15506B is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 40.8% C 0.074 H 233.0°. Best body text is #FFFFFF at 8.78:1 contrast (WCAG AA passes).

Color values

HEX#15506B
RGBrgb(21, 80, 107)
HSLhsl(199, 67%, 25%)
HSVhsv(199, 80%, 42%)
CMYKcmyk(80.4%, 25.2%, 0%, 58%)
CIE-LABlab(31.71, -8.45, -20.90)
CIE-LCHlch(31.71, 22.55, 247.99°)
OKLaboklab(40.75% -0.0444 -0.0589)
OKLCHoklch(40.75% 0.074 233)
XYZxyz(5.8307, 6.9576, 14.9427)
Luminance0.0696 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15506B #6B3015
analogous
#156B5B #15506B #15256B
triadic
#15506B #6B1550 #506B15
tetradic
#15506B #5B156B #6B3015 #256B15
square
#15506B #5B156B #6B3015 #256B15
split-complementary
#15506B #6B1525 #6B5B15
monochromatic
#05131A #0B2A38 #15506B #1F769E #299DD1

Accessibility & contrast

On white

8.78
#15506B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.39
#15506B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15506B
8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15506B#FFFFFF#000000##FFFFFF
##15506B1.008.782.398.78
#FFFFFF8.781.0021.001.00
#0000002.3921.001.0021.00
##FFFFFF8.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#434F6C
Deuteranopia (green-blind)
#37476B
Tritanopia (blue-blind)
#005759
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #15506b;
/* rgb */ color: rgb(21, 80, 107);
/* oklch */ color: oklch(40.8% 0.074 233.0);
Tailwind
colors: {
  custom: {
    50: '#618195',
    500: '#15506b',
    950: '#000000',
  },
}
SCSS
$custom: #15506b;
$custom-light: #618195;
$custom-dark: #000000;
JSON
{
  "hex": "#15506b",
  "rgb": {
    "r": 21,
    "g": 80,
    "b": 107
  },
  "hsl": {
    "h": 198.837,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.40754,
    "c": 0.07375,
    "h": 233
  },
  "luminance": 0.06958
}

Semantic roles & 50–950 ramp

primary
#15506B
secondary
#A25B3A
accent
#743EEA
background
#F6F7F9
surface
#EBEEF1
border
#C6C9CB
text
#060A0D
muted
#7A7C7E

Preview Lab

Preview with #15506B

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

Preview Lab → · Contrast checker → · Palette generator →

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