#15536C#15536C

#15536C is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 41.6% C 0.073 H 229.8°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX#15536C
RGBrgb(21, 83, 108)
HSLhsl(197, 67%, 25%)
HSVhsv(197, 81%, 42%)
CMYKcmyk(80.6%, 23.1%, 0%, 57.6%)
CIE-LABlab(32.76, -9.90, -19.90)
CIE-LCHlch(32.76, 22.23, 243.54°)
OKLaboklab(41.61% -0.0472 -0.0559)
OKLCHoklch(41.61% 0.073 229.8)
XYZxyz(6.1082, 7.4279, 15.2963)
Luminance0.0743 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#15536C #6C2E15
analogous
#156C59 #15536C #15286C
triadic
#15536C #6C1553 #536C15
tetradic
#15536C #59156C #6C2E15 #286C15
square
#15536C #59156C #6C2E15 #286C15
split-complementary
#15536C #6C1528 #6C5915
monochromatic
#05141A #0B2C39 #15536C #1F7A9F #29A2D2

Accessibility & contrast

On white

8.45
#15536C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

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

Best text color

#FFFFFF on #15536C
8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##15536C#FFFFFF#000000##FFFFFF
##15536C1.008.452.498.45
#FFFFFF8.451.0021.001.00
#0000002.4921.001.0021.00
##FFFFFF8.451.0021.001.00

Color blindness preview

Protanopia (red-blind)
#46526D
Deuteranopia (green-blind)
#3A496C
Tritanopia (blue-blind)
#005A5B
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #15536c;
/* rgb */ color: rgb(21, 83, 108);
/* oklch */ color: oklch(41.6% 0.073 229.8);
Tailwind
colors: {
  custom: {
    50: '#618396',
    500: '#15536c',
    950: '#000000',
  },
}
SCSS
$custom: #15536c;
$custom-light: #618396;
$custom-dark: #000000;
JSON
{
  "hex": "#15536c",
  "rgb": {
    "r": 21,
    "g": 83,
    "b": 108
  },
  "hsl": {
    "h": 197.241,
    "s": 67.442,
    "l": 25.294
  },
  "oklch": {
    "l": 0.41609,
    "c": 0.07321,
    "h": 229.8
  },
  "luminance": 0.07429
}

Semantic roles & 50–950 ramp

primary
#15536C
secondary
#A3583A
accent
#6F3DEA
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#060A0D
muted
#7A7C7E

Preview Lab

Preview with #15536C

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

Preview Lab → · Contrast checker → · Palette generator →

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