#15597F#15597F

#15597F is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.2% C 0.090 H 239.0°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX#15597F
RGBrgb(21, 89, 127)
HSLhsl(202, 72%, 29%)
HSVhsv(202, 83%, 50%)
CMYKcmyk(83.5%, 29.9%, 0%, 50.2%)
CIE-LABlab(35.67, -6.25, -27.16)
CIE-LCHlch(35.67, 27.87, 257.05°)
OKLaboklab(44.23% -0.0463 -0.0769)
OKLCHoklch(44.23% 0.09 239)
XYZxyz(7.7109, 8.8355, 21.3736)
Luminance0.0884 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15597F #7F3B15
analogous
#157F70 #15597F #15247F
triadic
#15597F #7F1559 #597F15
tetradic
#15597F #70157F #7F3B15 #247F15
square
#15597F #70157F #7F3B15 #247F15
split-complementary
#15597F #7F1524 #7F7015
monochromatic
#04121A #0C344A #15597F #1E7EB4 #319FDD

Accessibility & contrast

On white

7.59
#15597F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.77
#15597F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15597F
7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15597F#FFFFFF#000000##FFFFFF
##15597F1.007.592.777.59
#FFFFFF7.591.0021.001.00
#0000002.7721.001.0021.00
##FFFFFF7.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#475981
Deuteranopia (green-blind)
#39507E
Tritanopia (blue-blind)
#006366
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #15597f;
/* rgb */ color: rgb(21, 89, 127);
/* oklch */ color: oklch(44.2% 0.090 239.0);
Tailwind
colors: {
  custom: {
    50: '#6687a4',
    500: '#15597f',
    950: '#000000',
  },
}
SCSS
$custom: #15597f;
$custom-light: #6687a4;
$custom-dark: #000000;
JSON
{
  "hex": "#15597f",
  "rgb": {
    "r": 21,
    "g": 89,
    "b": 127
  },
  "hsl": {
    "h": 201.509,
    "s": 71.622,
    "l": 29.02
  },
  "oklch": {
    "l": 0.44227,
    "c": 0.08972,
    "h": 239
  },
  "luminance": 0.08836
}

Semantic roles & 50–950 ramp

primary
#15597F
secondary
#B4673C
accent
#7A39EE
background
#F6F8FA
surface
#EBEFF4
border
#C6CACE
text
#070B0F
muted
#7A7C7F

Preview Lab

Preview with #15597F

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

Preview Lab → · Contrast checker → · Palette generator →

#15597F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva