#18344D#18344D

#18344D is a dark, muted cyan. Relative luminance 0.032; OKLCH L 31.6% C 0.056 H 247.6°. Best body text is #FFFFFF at 12.83:1 contrast (WCAG AA passes).

Color values

HEX	#18344D
RGB	rgb(24, 52, 77)
HSL	hsl(208, 52%, 20%)
HSV	hsv(208, 69%, 30%)
CMYK	cmyk(68.8%, 32.5%, 0%, 69.8%)
CIE-LAB	lab(20.77, -1.48, -18.51)
CIE-LCH	lch(20.77, 18.57, 265.42°)
OKLab	oklab(31.61% -0.0215 -0.0522)
OKLCH	oklch(31.61% 0.056 247.6)
XYZ	xyz(2.9437, 3.1857, 7.4795)
Luminance	0.0319 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18344D #4D3118

analogous

#184D4C #18344D #181A4D

triadic

#18344D #4D1834 #344D18

tetradic

#18344D #4C184D #4D3118 #1A4D18

square

#18344D #4C184D #4D3118 #1A4D18

split-complementary

#18344D #4D181A #4D4C18

monochromatic

#071017 #09141E #18344D #27547C #3573AA

Accessibility & contrast

On white

12.83

#18344D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#18344D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18344D

12.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18344D	#FFFFFF	#000000	##FFFFFF
##18344D	1.00	12.83	1.64	12.83
#FFFFFF	12.83	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29354E

Deuteranopia (green-blind)

#22304D

Tritanopia (blue-blind)

#003A3D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #18344d;
/* rgb */ color: rgb(24, 52, 77);
/* oklch */ color: oklch(31.6% 0.056 247.6);

Tailwind

colors: {
  custom: {
    50: '#5b6b7f',
    500: '#18344d',
    950: '#000000',
  },
}

SCSS

$custom: #18344d;
$custom-light: #5b6b7f;
$custom-dark: #000000;

JSON

{
  "hex": "#18344d",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 77
  },
  "hsl": {
    "h": 208.302,
    "s": 52.475,
    "l": 19.804
  },
  "oklch": {
    "l": 0.31605,
    "c": 0.05645,
    "h": 247.6
  },
  "luminance": 0.03186
}

Semantic roles & 50–950 ramp

primary

#18344D

secondary

#845E3D

accent

#904CDC

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #18344D

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

Preview Lab → · Contrast checker → · Palette generator →