#18384E#18384E

#18384E is a dark, muted cyan. Relative luminance 0.036; OKLCH L 32.8% C 0.054 H 241.2°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#18384E
RGB	rgb(24, 56, 78)
HSL	hsl(204, 53%, 20%)
HSV	hsv(204, 69%, 31%)
CMYK	cmyk(69.2%, 28.2%, 0%, 69.4%)
CIE-LAB	lab(22.20, -3.80, -16.94)
CIE-LCH	lch(22.20, 17.36, 257.35°)
OKLab	oklab(32.75% -0.0262 -0.0476)
OKLCH	oklch(32.75% 0.054 241.2)
XYZ	xyz(3.1655, 3.5723, 7.7289)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18384E #4E2E18

analogous

#184E49 #18384E #181D4E

triadic

#18384E #4E1838 #384E18

tetradic

#18384E #49184E #4E2E18 #1D4E18

square

#18384E #49184E #4E2E18 #1D4E18

split-complementary

#18384E #4E181D #4E4918

monochromatic

#071117 #0A161F #18384E #265A7D #357BAC

Accessibility & contrast

On white

12.25

#18384E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#18384E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18384E

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18384E	#FFFFFF	#000000	##FFFFFF
##18384E	1.00	12.25	1.71	12.25
#FFFFFF	12.25	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E384F

Deuteranopia (green-blind)

#27334E

Tritanopia (blue-blind)

#003D40

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #18384e;
/* rgb */ color: rgb(24, 56, 78);
/* oklch */ color: oklch(32.8% 0.054 241.2);

Tailwind

colors: {
  custom: {
    50: '#5b6e7f',
    500: '#18384e',
    950: '#000000',
  },
}

SCSS

$custom: #18384e;
$custom-light: #5b6e7f;
$custom-dark: #000000;

JSON

{
  "hex": "#18384e",
  "rgb": {
    "r": 24,
    "g": 56,
    "b": 78
  },
  "hsl": {
    "h": 204.444,
    "s": 52.941,
    "l": 20
  },
  "oklch": {
    "l": 0.32752,
    "c": 0.05435,
    "h": 241.2
  },
  "luminance": 0.03573
}

Semantic roles & 50–950 ramp

primary

#18384E

secondary

#855A3D

accent

#864BDC

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #18384E

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

Preview Lab → · Contrast checker → · Palette generator →