#18343E#18343E

#18343E is a dark, muted cyan. Relative luminance 0.030; OKLCH L 30.8% C 0.038 H 223.6°. Best body text is #FFFFFF at 13.13:1 contrast (WCAG AA passes).

Color values

HEX#18343E
RGBrgb(24, 52, 62)
HSLhsl(196, 44%, 17%)
HSVhsv(196, 61%, 24%)
CMYKcmyk(61.3%, 16.1%, 0%, 75.7%)
CIE-LABlab(20.04, -7.15, -9.51)
CIE-LCHlch(20.04, 11.90, 233.08°)
OKLaboklab(30.78% -0.0278 -0.0264)
OKLCHoklch(30.78% 0.038 223.6)
XYZxyz(2.4738, 2.9978, 5.0048)
Luminance0.0300 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18343E #3E2218
analogous
#183E35 #18343E #18213E
triadic
#18343E #3E1834 #343E18
tetradic
#18343E #35183E #3E2218 #213E18
square
#18343E #35183E #3E2218 #213E18
split-complementary
#18343E #3E1821 #3E3518
monochromatic
#091316 #091316 #18343E #29596A #3A7E96

Accessibility & contrast

On white

13.13
#18343E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.60
#18343E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18343E
13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18343E#FFFFFF#000000##FFFFFF
##18343E1.0013.131.6013.13
#FFFFFF13.131.0021.001.00
#0000001.6021.001.0021.00
##FFFFFF13.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2E333F
Deuteranopia (green-blind)
#292F3E
Tritanopia (blue-blind)
#013737
Achromatopsia (no color)
#303030

Design tokens & code

CSS
--color: #18343e;
/* rgb */ color: rgb(24, 52, 62);
/* oklch */ color: oklch(30.8% 0.038 223.6);
Tailwind
colors: {
  custom: {
    50: '#596b73',
    500: '#18343e',
    950: '#000000',
  },
}
SCSS
$custom: #18343e;
$custom-light: #596b73;
$custom-dark: #000000;
JSON
{
  "hex": "#18343e",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 62
  },
  "hsl": {
    "h": 195.789,
    "s": 44.186,
    "l": 16.863
  },
  "oklch": {
    "l": 0.30777,
    "c": 0.0383,
    "h": 223.6
  },
  "luminance": 0.02998
}

Semantic roles & 50–950 ramp

primary
#18343E
secondary
#744C3D
accent
#7654D4
background
#F5F6F6
surface
#E9EBEC
border
#C5C6C7
text
#030608
muted
#787A7B

Preview Lab

Preview with #18343E

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

Preview Lab → · Contrast checker → · Palette generator →

#18343E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva