#18687A#18687A

#18687A is a mid, moderate cyan. Relative luminance 0.115; OKLCH L 48.0% C 0.078 H 216.9°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#18687A
RGB	rgb(24, 104, 122)
HSL	hsl(191, 67%, 29%)
HSV	hsv(191, 80%, 48%)
CMYK	cmyk(80.3%, 14.8%, 0%, 52.2%)
CIE-LAB	lab(40.41, -16.61, -16.74)
CIE-LCH	lch(40.41, 23.59, 225.22°)
OKLab	oklab(47.96% -0.0623 -0.0468)
OKLCH	oklch(47.96% 0.078 216.9)
XYZ	xyz(8.8384, 11.4989, 20.1623)
Luminance	0.1150 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18687A #7A2A18

analogous

#187A5B #18687A #18377A

triadic

#18687A #7A1868 #687A18

tetradic

#18687A #5B187A #7A2A18 #377A18

square

#18687A #5B187A #7A2A18 #377A18

split-complementary

#18687A #7A1837 #7A5B18

monochromatic

#05161A #0E3C47 #18687A #2294AD #35B9D7

Accessibility & contrast

On white

6.36

#18687A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#18687A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18687A

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18687A	#FFFFFF	#000000	##FFFFFF
##18687A	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C657B

Deuteranopia (green-blind)

#4F5B7A

Tritanopia (blue-blind)

#006E6E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #18687a;
/* rgb */ color: rgb(24, 104, 122);
/* oklch */ color: oklch(48.0% 0.078 216.9);

Tailwind

colors: {
  custom: {
    50: '#6793a0',
    500: '#18687a',
    950: '#000000',
  },
}

SCSS

$custom: #18687a;
$custom-light: #6793a0;
$custom-dark: #000000;

JSON

{
  "hex": "#18687a",
  "rgb": {
    "r": 24,
    "g": 104,
    "b": 122
  },
  "hsl": {
    "h": 191.02,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.47963,
    "c": 0.07791,
    "h": 216.9
  },
  "luminance": 0.115
}

Semantic roles & 50–950 ramp

primary

#18687A

secondary

#AF543F

accent

#5D3EEA

background

#F6F9F9

surface

#EBF1F2

border

#C6CBCC

text

#070D0E

muted

#7A7E7E

Preview Lab

Preview with #18687A

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

Preview Lab → · Contrast checker → · Palette generator →