#18576A#18576A

#18576A is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 42.7% C 0.069 H 222.3°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX#18576A
RGBrgb(24, 87, 106)
HSLhsl(194, 63%, 25%)
HSVhsv(194, 77%, 42%)
CMYKcmyk(77.4%, 17.9%, 0%, 58.4%)
CIE-LABlab(34.09, -12.64, -16.59)
CIE-LCHlch(34.09, 20.85, 232.71°)
OKLaboklab(42.66% -0.0509 -0.0464)
OKLCHoklch(42.66% 0.069 222.3)
XYZxyz(6.3853, 8.0504, 14.8502)
Luminance0.0805 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18576A #6A2B18
analogous
#186A54 #18576A #182E6A
triadic
#18576A #6A1857 #576A18
tetradic
#18576A #54186A #6A2B18 #2E6A18
square
#18576A #54186A #6A2B18 #2E6A18
split-complementary
#18576A #6A182E #6A5418
monochromatic
#061419 #0D2E38 #18576A #23809C #2FA9CE

Accessibility & contrast

On white

8.05
#18576A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.61
#18576A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18576A
8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18576A#FFFFFF#000000##FFFFFF
##18576A1.008.052.618.05
#FFFFFF8.051.0021.001.00
#0000002.6121.001.0021.00
##FFFFFF8.051.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4C556B
Deuteranopia (green-blind)
#414D6A
Tritanopia (blue-blind)
#005D5D
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #18576a;
/* rgb */ color: rgb(24, 87, 106);
/* oklch */ color: oklch(42.7% 0.069 222.3);
Tailwind
colors: {
  custom: {
    50: '#628694',
    500: '#18576a',
    950: '#000000',
  },
}
SCSS
$custom: #18576a;
$custom-light: #628694;
$custom-dark: #000000;
JSON
{
  "hex": "#18576a",
  "rgb": {
    "r": 24,
    "g": 87,
    "b": 106
  },
  "hsl": {
    "h": 193.902,
    "s": 63.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.42662,
    "c": 0.0689,
    "h": 222.3
  },
  "luminance": 0.08051
}

Semantic roles & 50–950 ramp

primary
#18576A
secondary
#A0553E
accent
#6842E6
background
#F6F8F9
surface
#EBEFF1
border
#C6CACB
text
#060B0D
muted
#7A7C7E

Preview Lab

Preview with #18576A

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

Preview Lab → · Contrast checker → · Palette generator →

#18576A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva