#15536E#15536E

#15536E is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 41.7% C 0.075 H 231.9°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX#15536E
RGBrgb(21, 83, 110)
HSLhsl(198, 68%, 26%)
HSVhsv(198, 81%, 43%)
CMYKcmyk(80.9%, 24.5%, 0%, 56.9%)
CIE-LABlab(32.86, -9.14, -21.00)
CIE-LCHlch(32.86, 22.91, 246.48°)
OKLaboklab(41.72% -0.0464 -0.0591)
OKLCHoklch(41.72% 0.075 231.9)
XYZxyz(6.2159, 7.4710, 15.8633)
Luminance0.0747 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15536E #6E3015
analogous
#156E5C #15536E #15266E
triadic
#15536E #6E1553 #536E15
tetradic
#15536E #5C156E #6E3015 #266E15
square
#15536E #5C156E #6E3015 #266E15
split-complementary
#15536E #6E1526 #6E5C15
monochromatic
#05131A #0B2C3B #15536E #1F7AA1 #29A1D5

Accessibility & contrast

On white

8.42
#15536E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.49
#15536E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15536E
8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15536E#FFFFFF#000000##FFFFFF
##15536E1.008.422.498.42
#FFFFFF8.421.0021.001.00
#0000002.4921.001.0021.00
##FFFFFF8.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#45526F
Deuteranopia (green-blind)
#3A4A6E
Tritanopia (blue-blind)
#005A5C
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #15536e;
/* rgb */ color: rgb(21, 83, 110);
/* oklch */ color: oklch(41.7% 0.075 231.9);
Tailwind
colors: {
  custom: {
    50: '#628397',
    500: '#15536e',
    950: '#000000',
  },
}
SCSS
$custom: #15536e;
$custom-light: #628397;
$custom-dark: #000000;
JSON
{
  "hex": "#15536e",
  "rgb": {
    "r": 21,
    "g": 83,
    "b": 110
  },
  "hsl": {
    "h": 198.202,
    "s": 67.939,
    "l": 25.686
  },
  "oklch": {
    "l": 0.41715,
    "c": 0.07519,
    "h": 231.9
  },
  "luminance": 0.07472
}

Semantic roles & 50–950 ramp

primary
#15536E
secondary
#A45B3A
accent
#723DEB
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#060A0D
muted
#7A7C7E

Preview Lab

Preview with #15536E

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

Preview Lab → · Contrast checker → · Palette generator →

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