#18687E#18687E

#18687E is a mid, moderate cyan. Relative luminance 0.116; OKLCH L 48.1% C 0.080 H 221.1°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#18687E
RGB	rgb(24, 104, 126)
HSL	hsl(193, 68%, 29%)
HSV	hsv(193, 81%, 49%)
CMYK	cmyk(81%, 17.5%, 0%, 50.6%)
CIE-LAB	lab(40.57, -15.19, -18.91)
CIE-LCH	lch(40.57, 24.26, 231.24°)
OKLab	oklab(48.15% -0.0606 -0.0529)
OKLCH	oklch(48.15% 0.08 221.1)
XYZ	xyz(9.0913, 11.6001, 21.4945)
Luminance	0.1160 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18687E #7E2E18

analogous

#187E61 #18687E #18357E

triadic

#18687E #7E1868 #687E18

tetradic

#18687E #61187E #7E2E18 #357E18

square

#18687E #61187E #7E2E18 #357E18

split-complementary

#18687E #7E1835 #7E6118

monochromatic

#05151A #0E3E4B #18687E #2292B1 #37B6D9

Accessibility & contrast

On white

6.32

#18687E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#18687E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18687E

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18687E	#FFFFFF	#000000	##FFFFFF
##18687E	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B657F

Deuteranopia (green-blind)

#4D5B7E

Tritanopia (blue-blind)

#006F6F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #18687e;
/* rgb */ color: rgb(24, 104, 126);
/* oklch */ color: oklch(48.1% 0.080 221.1);

Tailwind

colors: {
  custom: {
    50: '#6793a3',
    500: '#18687e',
    950: '#000000',
  },
}

SCSS

$custom: #18687e;
$custom-light: #6793a3;
$custom-dark: #000000;

JSON

{
  "hex": "#18687e",
  "rgb": {
    "r": 24,
    "g": 104,
    "b": 126
  },
  "hsl": {
    "h": 192.941,
    "s": 68,
    "l": 29.412
  },
  "oklch": {
    "l": 0.4815,
    "c": 0.08049,
    "h": 221.1
  },
  "luminance": 0.11601
}

Semantic roles & 50–950 ramp

primary

#18687E

secondary

#B2583F

accent

#623DEB

background

#F6F9FA

surface

#EBF1F3

border

#C6CBCD

text

#070D0F

muted

#7A7E7F

Preview Lab

Preview with #18687E

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

Preview Lab → · Contrast checker → · Palette generator →