#18364A#18364A

#18364A is a dark, muted cyan. Relative luminance 0.033; OKLCH L 32.0% C 0.051 H 240.1°. Best body text is #FFFFFF at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#18364A
RGB	rgb(24, 54, 74)
HSL	hsl(204, 51%, 19%)
HSV	hsv(204, 68%, 29%)
CMYK	cmyk(67.6%, 27%, 0%, 71%)
CIE-LAB	lab(21.31, -4.01, -15.66)
CIE-LCH	lch(21.31, 16.17, 255.65°)
OKLab	oklab(31.98% -0.0252 -0.0439)
OKLCH	oklch(31.98% 0.051 240.1)
XYZ	xyz(2.9314, 3.3267, 6.9649)
Luminance	0.0333 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18364A #4A2C18

analogous

#184A45 #18364A #181D4A

triadic

#18364A #4A1836 #364A18

tetradic

#18364A #45184A #4A2C18 #1D4A18

square

#18364A #45184A #4A2C18 #1D4A18

split-complementary

#18364A #4A181D #4A4518

monochromatic

#071117 #09141C #18364A #275878 #3679A6

Accessibility & contrast

On white

12.61

#18364A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#18364A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18364A

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18364A	#FFFFFF	#000000	##FFFFFF
##18364A	1.00	12.61	1.67	12.61
#FFFFFF	12.61	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D364B

Deuteranopia (green-blind)

#26314A

Tritanopia (blue-blind)

#003B3D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #18364a;
/* rgb */ color: rgb(24, 54, 74);
/* oklch */ color: oklch(32.0% 0.051 240.1);

Tailwind

colors: {
  custom: {
    50: '#5a6c7c',
    500: '#18364a',
    950: '#000000',
  },
}

SCSS

$custom: #18364a;
$custom-light: #5a6c7c;
$custom-dark: #000000;

JSON

{
  "hex": "#18364a",
  "rgb": {
    "r": 24,
    "g": 54,
    "b": 74
  },
  "hsl": {
    "h": 204,
    "s": 51.02,
    "l": 19.216
  },
  "oklch": {
    "l": 0.31976,
    "c": 0.05067,
    "h": 240.1
  },
  "luminance": 0.03327
}

Semantic roles & 50–950 ramp

primary

#18364A

secondary

#81583D

accent

#864DDA

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#040709

muted

#797A7B

Preview Lab

Preview with #18364A

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

Preview Lab → · Contrast checker → · Palette generator →