#15578F#15578F

#15578F is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.7% C 0.112 H 249.3°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX#15578F
RGBrgb(21, 87, 143)
HSLhsl(208, 74%, 32%)
HSVhsv(208, 85%, 56%)
CMYKcmyk(85.3%, 39.2%, 0%, 43.9%)
CIE-LABlab(35.90, 1.39, -36.55)
CIE-LCHlch(35.90, 36.58, 272.17°)
OKLaboklab(44.7% -0.0394 -0.1044)
OKLCHoklch(44.7% 0.112 249.3)
XYZxyz(8.6735, 8.9579, 27.2532)
Luminance0.0896 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15578F #8F4D15
analogous
#158F8A #15578F #151A8F
triadic
#15578F #8F1557 #578F15
tetradic
#15578F #8A158F #8F4D15 #1A8F15
square
#15578F #8A158F #8F4D15 #1A8F15
split-complementary
#15578F #8F151A #8F8A15
monochromatic
#051624 #0D375A #15578F #1D77C4 #3C96E2

Accessibility & contrast

On white

7.52
#15578F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.79
#15578F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15578F
7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15578F#FFFFFF#000000##FFFFFF
##15578F1.007.522.797.52
#FFFFFF7.521.0021.001.00
#0000002.7921.001.0021.00
##FFFFFF7.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3C5A91
Deuteranopia (green-blind)
#29508E
Tritanopia (blue-blind)
#00646C
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #15578f;
/* rgb */ color: rgb(21, 87, 143);
/* oklch */ color: oklch(44.7% 0.112 249.3);
Tailwind
colors: {
  custom: {
    50: '#6986b0',
    500: '#15578f',
    950: '#000000',
  },
}
SCSS
$custom: #15578f;
$custom-light: #6986b0;
$custom-dark: #000000;
JSON
{
  "hex": "#15578f",
  "rgb": {
    "r": 21,
    "g": 87,
    "b": 143
  },
  "hsl": {
    "h": 207.541,
    "s": 74.39,
    "l": 32.157
  },
  "oklch": {
    "l": 0.447,
    "c": 0.11159,
    "h": 249.3
  },
  "luminance": 0.08959
}

Semantic roles & 50–950 ramp

primary
#15578F
secondary
#C27A3E
accent
#8C37F1
background
#F6F8FA
surface
#ECEFF5
border
#C7CACF
text
#070B10
muted
#7A7C7F

Preview Lab

Preview with #15578F

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

Preview Lab → · Contrast checker → · Palette generator →

#15578F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva