#18687D#18687D

#18687D is a mid, moderate cyan. Relative luminance 0.116; OKLCH L 48.1% C 0.080 H 220.1°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#18687D
RGB	rgb(24, 104, 125)
HSL	hsl(192, 68%, 29%)
HSV	hsv(192, 81%, 49%)
CMYK	cmyk(80.8%, 16.8%, 0%, 51%)
CIE-LAB	lab(40.53, -15.55, -18.37)
CIE-LCH	lch(40.53, 24.07, 229.76°)
OKLab	oklab(48.1% -0.061 -0.0514)
OKLCH	oklch(48.1% 0.08 220.1)
XYZ	xyz(9.0271, 11.5744, 21.1564)
Luminance	0.1158 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18687D #7D2D18

analogous

#187D60 #18687D #18367D

triadic

#18687D #7D1868 #687D18

tetradic

#18687D #60187D #7D2D18 #367D18

square

#18687D #60187D #7D2D18 #367D18

split-complementary

#18687D #7D1836 #7D6018

monochromatic

#05151A #0E3D4A #18687D #2293B0 #37B7D9

Accessibility & contrast

On white

6.33

#18687D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#18687D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18687D

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18687D	#FFFFFF	#000000	##FFFFFF
##18687D	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B657E

Deuteranopia (green-blind)

#4E5B7D

Tritanopia (blue-blind)

#006F6F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #18687d;
/* rgb */ color: rgb(24, 104, 125);
/* oklch */ color: oklch(48.1% 0.080 220.1);

Tailwind

colors: {
  custom: {
    50: '#6793a2',
    500: '#18687d',
    950: '#000000',
  },
}

SCSS

$custom: #18687d;
$custom-light: #6793a2;
$custom-dark: #000000;

JSON

{
  "hex": "#18687d",
  "rgb": {
    "r": 24,
    "g": 104,
    "b": 125
  },
  "hsl": {
    "h": 192.475,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.48103,
    "c": 0.07981,
    "h": 220.1
  },
  "luminance": 0.11575
}

Semantic roles & 50–950 ramp

primary

#18687D

secondary

#B2573F

accent

#613DEB

background

#F6F9FA

surface

#EBF1F3

border

#C6CBCD

text

#070D0F

muted

#7A7E7F

Preview Lab

Preview with #18687D

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

Preview Lab → · Contrast checker → · Palette generator →