#15536F#15536F

#15536F is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 41.8% C 0.076 H 232.8°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX#15536F
RGBrgb(21, 83, 111)
HSLhsl(199, 68%, 26%)
HSVhsv(199, 81%, 44%)
CMYKcmyk(81.1%, 25.2%, 0%, 56.5%)
CIE-LABlab(32.90, -8.76, -21.56)
CIE-LCHlch(32.90, 23.27, 247.89°)
OKLaboklab(41.77% -0.046 -0.0607)
OKLCHoklch(41.77% 0.076 232.8)
XYZxyz(6.2706, 7.4929, 16.1516)
Luminance0.0749 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15536F #6F3115
analogous
#156F5E #15536F #15266F
triadic
#15536F #6F1553 #536F15
tetradic
#15536F #5E156F #6F3115 #266F15
square
#15536F #5E156F #6F3115 #266F15
split-complementary
#15536F #6F1526 #6F5E15
monochromatic
#05131A #0B2D3C #15536F #1F79A2 #28A0D6

Accessibility & contrast

On white

8.40
#15536F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.50
#15536F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15536F
8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15536F#FFFFFF#000000##FFFFFF
##15536F1.008.402.508.40
#FFFFFF8.401.0021.001.00
#0000002.5021.001.0021.00
##FFFFFF8.401.0021.001.00

Color blindness preview

Protanopia (red-blind)
#455270
Deuteranopia (green-blind)
#394A6F
Tritanopia (blue-blind)
#005A5C
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #15536f;
/* rgb */ color: rgb(21, 83, 111);
/* oklch */ color: oklch(41.8% 0.076 232.8);
Tailwind
colors: {
  custom: {
    50: '#628398',
    500: '#15536f',
    950: '#000000',
  },
}
SCSS
$custom: #15536f;
$custom-light: #628398;
$custom-dark: #000000;
JSON
{
  "hex": "#15536f",
  "rgb": {
    "r": 21,
    "g": 83,
    "b": 111
  },
  "hsl": {
    "h": 198.667,
    "s": 68.182,
    "l": 25.882
  },
  "oklch": {
    "l": 0.41769,
    "c": 0.07621,
    "h": 232.8
  },
  "luminance": 0.07494
}

Semantic roles & 50–950 ramp

primary
#15536F
secondary
#A55C3A
accent
#733DEB
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#060A0D
muted
#7A7C7E

Preview Lab

Preview with #15536F

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

Preview Lab → · Contrast checker → · Palette generator →

#15536F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva