#18384F#18384F

#18384F is a dark, muted cyan. Relative luminance 0.036; OKLCH L 32.8% C 0.056 H 242.3°. Best body text is #FFFFFF at 12.23:1 contrast (WCAG AA passes).

Color values

HEX	#18384F
RGB	rgb(24, 56, 79)
HSL	hsl(205, 53%, 20%)
HSV	hsv(205, 70%, 31%)
CMYK	cmyk(69.6%, 29.1%, 0%, 69%)
CIE-LAB	lab(22.26, -3.42, -17.53)
CIE-LCH	lch(22.26, 17.86, 258.97°)
OKLab	oklab(32.81% -0.0258 -0.0493)
OKLCH	oklch(32.81% 0.056 242.3)
XYZ	xyz(3.2016, 3.5867, 7.9192)
Luminance	0.0359 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18384F #4F2F18

analogous

#184F4A #18384F #181C4F

triadic

#18384F #4F1838 #384F18

tetradic

#18384F #4A184F #4F2F18 #1C4F18

square

#18384F #4A184F #4F2F18 #1C4F18

split-complementary

#18384F #4F181C #4F4A18

monochromatic

#071117 #0A1720 #18384F #26597E #357BAD

Accessibility & contrast

On white

12.23

#18384F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#18384F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18384F

12.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18384F	#FFFFFF	#000000	##FFFFFF
##18384F	1.00	12.23	1.72	12.23
#FFFFFF	12.23	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3850

Deuteranopia (green-blind)

#26334F

Tritanopia (blue-blind)

#003E40

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #18384f;
/* rgb */ color: rgb(24, 56, 79);
/* oklch */ color: oklch(32.8% 0.056 242.3);

Tailwind

colors: {
  custom: {
    50: '#5b6e80',
    500: '#18384f',
    950: '#000000',
  },
}

SCSS

$custom: #18384f;
$custom-light: #5b6e80;
$custom-dark: #000000;

JSON

{
  "hex": "#18384f",
  "rgb": {
    "r": 24,
    "g": 56,
    "b": 79
  },
  "hsl": {
    "h": 205.091,
    "s": 53.398,
    "l": 20.196
  },
  "oklch": {
    "l": 0.3281,
    "c": 0.05566,
    "h": 242.3
  },
  "luminance": 0.03587
}

Semantic roles & 50–950 ramp

primary

#18384F

secondary

#865B3D

accent

#884BDD

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #18384F

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

Preview Lab → · Contrast checker → · Palette generator →