#18547D#18547D

#18547D is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 42.9% C 0.090 H 243.4°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#18547D
RGB	rgb(24, 84, 125)
HSL	hsl(204, 68%, 29%)
HSV	hsv(204, 81%, 49%)
CMYK	cmyk(80.8%, 32.8%, 0%, 51%)
CIE-LAB	lab(34.01, -3.55, -28.52)
CIE-LCH	lch(34.01, 28.74, 262.90°)
OKLab	oklab(42.9% -0.0406 -0.0809)
OKLCH	oklch(42.9% 0.09 243.4)
XYZ	xyz(7.2472, 8.0146, 20.5631)
Luminance	0.0802 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18547D #7D4118

analogous

#187D74 #18547D #18227D

triadic

#18547D #7D1854 #547D18

tetradic

#18547D #74187D #7D4118 #227D18

square

#18547D #74187D #7D4118 #227D18

split-complementary

#18547D #7D1822 #7D7418

monochromatic

#05111A #0E314A #18547D #2277B0 #3797D9

Accessibility & contrast

On white

8.07

#18547D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#18547D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18547D

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18547D	#FFFFFF	#000000	##FFFFFF
##18547D	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41557F

Deuteranopia (green-blind)

#334C7C

Tritanopia (blue-blind)

#005E63

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #18547d;
/* rgb */ color: rgb(24, 84, 125);
/* oklch */ color: oklch(42.9% 0.090 243.4);

Tailwind

colors: {
  custom: {
    50: '#6683a3',
    500: '#18547d',
    950: '#000000',
  },
}

SCSS

$custom: #18547d;
$custom-light: #6683a3;
$custom-dark: #000000;

JSON

{
  "hex": "#18547d",
  "rgb": {
    "r": 24,
    "g": 84,
    "b": 125
  },
  "hsl": {
    "h": 204.356,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.42904,
    "c": 0.09049,
    "h": 243.4
  },
  "luminance": 0.08016
}

Semantic roles & 50–950 ramp

primary

#18547D

secondary

#B26E3F

accent

#843DEB

background

#F6F8FA

surface

#EBEFF3

border

#C6CACD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #18547D

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

Preview Lab → · Contrast checker → · Palette generator →