#15587E#15587E

#15587E is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 43.9% C 0.089 H 239.3°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX#15587E
RGBrgb(21, 88, 126)
HSLhsl(202, 71%, 29%)
HSVhsv(202, 83%, 49%)
CMYKcmyk(83.3%, 30.2%, 0%, 50.6%)
CIE-LABlab(35.29, -6.02, -27.13)
CIE-LCHlch(35.29, 27.79, 257.50°)
OKLaboklab(43.91% -0.0456 -0.0768)
OKLCHoklch(43.91% 0.089 239.3)
XYZxyz(7.5634, 8.6443, 21.0045)
Luminance0.0864 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15587E #7E3B15
analogous
#157E70 #15587E #15247E
triadic
#15587E #7E1558 #587E15
tetradic
#15587E #70157E #7E3B15 #247E15
square
#15587E #70157E #7E3B15 #247E15
split-complementary
#15587E #7E1524 #7E7015
monochromatic
#04121A #0C334A #15587E #1E7DB2 #319EDD

Accessibility & contrast

On white

7.70
#15587E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.73
#15587E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15587E
7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15587E#FFFFFF#000000##FFFFFF
##15587E1.007.702.737.70
#FFFFFF7.701.0021.001.00
#0000002.7321.001.0021.00
##FFFFFF7.701.0021.001.00

Color blindness preview

Protanopia (red-blind)
#465880
Deuteranopia (green-blind)
#384F7D
Tritanopia (blue-blind)
#006265
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #15587e;
/* rgb */ color: rgb(21, 88, 126);
/* oklch */ color: oklch(43.9% 0.089 239.3);
Tailwind
colors: {
  custom: {
    50: '#6587a3',
    500: '#15587e',
    950: '#000000',
  },
}
SCSS
$custom: #15587e;
$custom-light: #6587a3;
$custom-dark: #000000;
JSON
{
  "hex": "#15587e",
  "rgb": {
    "r": 21,
    "g": 88,
    "b": 126
  },
  "hsl": {
    "h": 201.714,
    "s": 71.429,
    "l": 28.824
  },
  "oklch": {
    "l": 0.43912,
    "c": 0.08935,
    "h": 239.3
  },
  "luminance": 0.08645
}

Semantic roles & 50–950 ramp

primary
#15587E
secondary
#B3673C
accent
#7B3AEE
background
#F6F8FA
surface
#EBEFF4
border
#C6CACE
text
#070B0F
muted
#7A7C7F

Preview Lab

Preview with #15587E

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

Preview Lab → · Contrast checker → · Palette generator →

#15587E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva