#18434F#18434F

#18434F is a dark, muted cyan. Relative luminance 0.048; OKLCH L 35.9% C 0.051 H 219.3°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX#18434F
RGBrgb(24, 67, 79)
HSLhsl(193, 53%, 20%)
HSVhsv(193, 70%, 31%)
CMYKcmyk(69.6%, 15.2%, 0%, 69%)
CIE-LABlab(26.08, -10.48, -11.63)
CIE-LCHlch(26.08, 15.65, 227.98°)
OKLaboklab(35.85% -0.0396 -0.0324)
OKLCHoklch(35.85% 0.051 219.3)
XYZxyz(3.7946, 4.7726, 8.1168)
Luminance0.0477 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18434F #4F2418
analogous
#184F3F #18434F #18274F
triadic
#18434F #4F1843 #434F18
tetradic
#18434F #3F184F #4F2418 #274F18
square
#18434F #3F184F #4F2418 #274F18
split-complementary
#18434F #4F1827 #4F3F18
monochromatic
#071417 #0A1B20 #18434F #266B7E #3593AD

Accessibility & contrast

On white

10.74
#18434F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.95
#18434F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18434F
10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18434F#FFFFFF#000000##FFFFFF
##18434F1.0010.741.9510.74
#FFFFFF10.741.0021.001.00
#0000001.9521.001.0021.00
##FFFFFF10.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3B4150
Deuteranopia (green-blind)
#343B4F
Tritanopia (blue-blind)
#004747
Achromatopsia (no color)
#3E3E3E

Design tokens & code

CSS
--color: #18434f;
/* rgb */ color: rgb(24, 67, 79);
/* oklch */ color: oklch(35.9% 0.051 219.3);
Tailwind
colors: {
  custom: {
    50: '#5c7780',
    500: '#18434f',
    950: '#000000',
  },
}
SCSS
$custom: #18434f;
$custom-light: #5c7780;
$custom-dark: #000000;
JSON
{
  "hex": "#18434f",
  "rgb": {
    "r": 24,
    "g": 67,
    "b": 79
  },
  "hsl": {
    "h": 193.091,
    "s": 53.398,
    "l": 20.196
  },
  "oklch": {
    "l": 0.35854,
    "c": 0.05111,
    "h": 219.3
  },
  "luminance": 0.04773
}

Semantic roles & 50–950 ramp

primary
#18434F
secondary
#864D3D
accent
#6B4BDD
background
#F5F7F7
surface
#E9EDEE
border
#C5C8C9
text
#04080A
muted
#797B7C

Preview Lab

Preview with #18434F

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

Preview Lab → · Contrast checker → · Palette generator →

#18434F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva