#18364F#18364F

#18364F is a dark, muted cyan. Relative luminance 0.034; OKLCH L 32.3% C 0.057 H 246.0°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#18364F
RGB	rgb(24, 54, 79)
HSL	hsl(207, 53%, 20%)
HSV	hsv(207, 70%, 31%)
CMYK	cmyk(69.6%, 31.6%, 0%, 69%)
CIE-LAB	lab(21.57, -2.06, -18.60)
CIE-LCH	lch(21.57, 18.72, 263.67°)
OKLab	oklab(32.27% -0.0233 -0.0524)
OKLCH	oklch(32.27% 0.057 246)
XYZ	xyz(3.1066, 3.3967, 7.8875)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18364F #4F3118

analogous

#184F4C #18364F #181A4F

triadic

#18364F #4F1836 #364F18

tetradic

#18364F #4C184F #4F3118 #1A4F18

square

#18364F #4C184F #4F3118 #1A4F18

split-complementary

#18364F #4F181A #4F4C18

monochromatic

#071017 #0A1620 #18364F #26567E #3576AD

Accessibility & contrast

On white

12.50

#18364F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#18364F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18364F

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18364F	#FFFFFF	#000000	##FFFFFF
##18364F	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3750

Deuteranopia (green-blind)

#24314F

Tritanopia (blue-blind)

#003C3F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #18364f;
/* rgb */ color: rgb(24, 54, 79);
/* oklch */ color: oklch(32.3% 0.057 246.0);

Tailwind

colors: {
  custom: {
    50: '#5b6c80',
    500: '#18364f',
    950: '#000000',
  },
}

SCSS

$custom: #18364f;
$custom-light: #5b6c80;
$custom-dark: #000000;

JSON

{
  "hex": "#18364f",
  "rgb": {
    "r": 24,
    "g": 54,
    "b": 79
  },
  "hsl": {
    "h": 207.273,
    "s": 53.398,
    "l": 20.196
  },
  "oklch": {
    "l": 0.32267,
    "c": 0.05739,
    "h": 246
  },
  "luminance": 0.03397
}

Semantic roles & 50–950 ramp

primary

#18364F

secondary

#865E3D

accent

#8D4BDD

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #18364F

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

Preview Lab → · Contrast checker → · Palette generator →