#15586B#15586B

#15586B is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 42.9% C 0.071 H 221.5°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX#15586B
RGBrgb(21, 88, 107)
HSLhsl(193, 67%, 25%)
HSVhsv(193, 80%, 42%)
CMYKcmyk(80.4%, 17.8%, 0%, 58%)
CIE-LABlab(34.40, -13.26, -16.75)
CIE-LCHlch(34.40, 21.36, 231.63°)
OKLaboklab(42.9% -0.053 -0.0469)
OKLCHoklch(42.9% 0.071 221.5)
XYZxyz(6.4517, 8.1996, 15.1497)
Luminance0.0820 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15586B #6B2815
analogous
#156B53 #15586B #152D6B
triadic
#15586B #6B1558 #586B15
tetradic
#15586B #53156B #6B2815 #2D6B15
square
#15586B #53156B #6B2815 #2D6B15
split-complementary
#15586B #6B152D #6B5315
monochromatic
#05151A #0B2E38 #15586B #1F829E #29ACD1

Accessibility & contrast

On white

7.95
#15586B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.64
#15586B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15586B
7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15586B#FFFFFF#000000##FFFFFF
##15586B1.007.952.647.95
#FFFFFF7.951.0021.001.00
#0000002.6421.001.0021.00
##FFFFFF7.951.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4D566C
Deuteranopia (green-blind)
#414D6B
Tritanopia (blue-blind)
#005E5E
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #15586b;
/* rgb */ color: rgb(21, 88, 107);
/* oklch */ color: oklch(42.9% 0.071 221.5);
Tailwind
colors: {
  custom: {
    50: '#628795',
    500: '#15586b',
    950: '#000000',
  },
}
SCSS
$custom: #15586b;
$custom-light: #628795;
$custom-dark: #000000;
JSON
{
  "hex": "#15586b",
  "rgb": {
    "r": 21,
    "g": 88,
    "b": 107
  },
  "hsl": {
    "h": 193.256,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.42903,
    "c": 0.07077,
    "h": 221.5
  },
  "luminance": 0.082
}

Semantic roles & 50–950 ramp

primary
#15586B
secondary
#A2513A
accent
#643EEA
background
#F6F8F9
surface
#EBEFF1
border
#C6CACB
text
#060B0D
muted
#7A7C7E

Preview Lab

Preview with #15586B

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

Preview Lab → · Contrast checker → · Palette generator →

#15586B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva