#18516C#18516C

#18516C is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.2% C 0.073 H 233.4°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#18516C
RGB	rgb(24, 81, 108)
HSL	hsl(199, 64%, 26%)
HSV	hsv(199, 78%, 42%)
CMYK	cmyk(77.8%, 25%, 0%, 57.6%)
CIE-LAB	lab(32.17, -8.27, -20.81)
CIE-LCH	lch(32.17, 22.39, 248.32°)
OKLab	oklab(41.16% -0.0435 -0.0586)
OKLCH	oklch(41.16% 0.073 233.4)
XYZ	xyz(6.0248, 7.1611, 15.2491)
Luminance	0.0716 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18516C #6C3318

analogous

#186C5D #18516C #18276C

triadic

#18516C #6C1851 #516C18

tetradic

#18516C #5D186C #6C3318 #276C18

square

#18516C #5D186C #6C3318 #276C18

split-complementary

#18516C #6C1827 #6C5D18

monochromatic

#061319 #0D2B3A #18516C #23779E #2E9CD0

Accessibility & contrast

On white

8.63

#18516C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#18516C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18516C

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18516C	#FFFFFF	#000000	##FFFFFF
##18516C	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44506D

Deuteranopia (green-blind)

#38486C

Tritanopia (blue-blind)

#00585A

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #18516c;
/* rgb */ color: rgb(24, 81, 108);
/* oklch */ color: oklch(41.2% 0.073 233.4);

Tailwind

colors: {
  custom: {
    50: '#628196',
    500: '#18516c',
    950: '#000000',
  },
}

SCSS

$custom: #18516c;
$custom-light: #628196;
$custom-dark: #000000;

JSON

{
  "hex": "#18516c",
  "rgb": {
    "r": 24,
    "g": 81,
    "b": 108
  },
  "hsl": {
    "h": 199.286,
    "s": 63.636,
    "l": 25.882
  },
  "oklch": {
    "l": 0.41159,
    "c": 0.07297,
    "h": 233.4
  },
  "luminance": 0.07162
}

Semantic roles & 50–950 ramp

primary

#18516C

secondary

#A25E3E

accent

#7641E7

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #18516C

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

Preview Lab → · Contrast checker → · Palette generator →