#18384A#18384A

#18384A is a dark, muted cyan. Relative luminance 0.035; OKLCH L 32.5% C 0.049 H 235.7°. Best body text is #FFFFFF at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#18384A
RGB	rgb(24, 56, 74)
HSL	hsl(202, 51%, 19%)
HSV	hsv(202, 68%, 29%)
CMYK	cmyk(67.6%, 24.3%, 0%, 71%)
CIE-LAB	lab(22.00, -5.34, -14.58)
CIE-LCH	lch(22.00, 15.53, 249.90°)
OKLab	oklab(32.53% -0.0278 -0.0408)
OKLCH	oklch(32.53% 0.049 235.7)
XYZ	xyz(3.0264, 3.5167, 6.9965)
Luminance	0.0352 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18384A #4A2A18

analogous

#184A43 #18384A #181F4A

triadic

#18384A #4A1838 #384A18

tetradic

#18384A #43184A #4A2A18 #1F4A18

square

#18384A #43184A #4A2A18 #1F4A18

split-complementary

#18384A #4A181F #4A4318

monochromatic

#071117 #09151C #18384A #275B78 #367EA6

Accessibility & contrast

On white

12.33

#18384A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#18384A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18384A

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18384A	#FFFFFF	#000000	##FFFFFF
##18384A	1.00	12.33	1.70	12.33
#FFFFFF	12.33	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F384B

Deuteranopia (green-blind)

#29324A

Tritanopia (blue-blind)

#003D3E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #18384a;
/* rgb */ color: rgb(24, 56, 74);
/* oklch */ color: oklch(32.5% 0.049 235.7);

Tailwind

colors: {
  custom: {
    50: '#5b6e7c',
    500: '#18384a',
    950: '#000000',
  },
}

SCSS

$custom: #18384a;
$custom-light: #5b6e7c;
$custom-dark: #000000;

JSON

{
  "hex": "#18384a",
  "rgb": {
    "r": 24,
    "g": 56,
    "b": 74
  },
  "hsl": {
    "h": 201.6,
    "s": 51.02,
    "l": 19.216
  },
  "oklch": {
    "l": 0.32529,
    "c": 0.0494,
    "h": 235.7
  },
  "luminance": 0.03517
}

Semantic roles & 50–950 ramp

primary

#18384A

secondary

#81553D

accent

#804DDA

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#040709

muted

#797A7B

Preview Lab

Preview with #18384A

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

Preview Lab → · Contrast checker → · Palette generator →