#18424F#18424F

#18424F is a dark, muted cyan. Relative luminance 0.047; OKLCH L 35.6% C 0.051 H 221.5°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX#18424F
RGBrgb(24, 66, 79)
HSLhsl(194, 53%, 20%)
HSVhsv(194, 70%, 31%)
CMYKcmyk(69.6%, 16.5%, 0%, 69%)
CIE-LABlab(25.73, -9.86, -12.16)
CIE-LCHlch(25.73, 15.66, 230.96°)
OKLaboklab(35.57% -0.0383 -0.0339)
OKLCHoklch(35.57% 0.051 221.5)
XYZxyz(3.7356, 4.6547, 8.0972)
Luminance0.0466 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18424F #4F2518
analogous
#184F40 #18424F #18264F
triadic
#18424F #4F1842 #424F18
tetradic
#18424F #40184F #4F2518 #264F18
square
#18424F #40184F #4F2518 #264F18
split-complementary
#18424F #4F1826 #4F4018
monochromatic
#071417 #0A1B20 #18424F #26697E #3590AD

Accessibility & contrast

On white

10.88
#18424F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.93
#18424F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18424F
10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18424F#FFFFFF#000000##FFFFFF
##18424F1.0010.881.9310.88
#FFFFFF10.881.0021.001.00
#0000001.9321.001.0021.00
##FFFFFF10.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3A4050
Deuteranopia (green-blind)
#323A4F
Tritanopia (blue-blind)
#004646
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #18424f;
/* rgb */ color: rgb(24, 66, 79);
/* oklch */ color: oklch(35.6% 0.051 221.5);
Tailwind
colors: {
  custom: {
    50: '#5c7680',
    500: '#18424f',
    950: '#000000',
  },
}
SCSS
$custom: #18424f;
$custom-light: #5c7680;
$custom-dark: #000000;
JSON
{
  "hex": "#18424f",
  "rgb": {
    "r": 24,
    "g": 66,
    "b": 79
  },
  "hsl": {
    "h": 194.182,
    "s": 53.398,
    "l": 20.196
  },
  "oklch": {
    "l": 0.35574,
    "c": 0.05114,
    "h": 221.5
  },
  "luminance": 0.04655
}

Semantic roles & 50–950 ramp

primary
#18424F
secondary
#864E3D
accent
#6D4BDD
background
#F5F7F7
surface
#E9EDEE
border
#C5C8C9
text
#04080A
muted
#797B7C

Preview Lab

Preview with #18424F

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

Preview Lab → · Contrast checker → · Palette generator →

#18424F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva