#18647F#18647F

#18647F is a mid, moderate cyan. Relative luminance 0.108; OKLCH L 47.1% C 0.082 H 227.1°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#18647F
RGB	rgb(24, 100, 127)
HSL	hsl(196, 68%, 30%)
HSV	hsv(196, 81%, 50%)
CMYK	cmyk(81.1%, 21.3%, 0%, 50.2%)
CIE-LAB	lab(39.31, -12.52, -21.47)
CIE-LCH	lch(39.31, 24.86, 239.75°)
OKLab	oklab(47.15% -0.0561 -0.0603)
OKLCH	oklch(47.15% 0.082 227.1)
XYZ	xyz(8.7630, 10.8398, 21.7050)
Luminance	0.1084 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18647F #7F3318

analogous

#187F67 #18647F #18317F

triadic

#18647F #7F1864 #647F18

tetradic

#18647F #67187F #7F3318 #317F18

square

#18647F #67187F #7F3318 #317F18

split-complementary

#18647F #7F1831 #7F6718

monochromatic

#05141A #0E3B4C #18647F #228DB2 #38AFD9

Accessibility & contrast

On white

6.63

#18647F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#18647F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18647F

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18647F	#FFFFFF	#000000	##FFFFFF
##18647F	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#566280

Deuteranopia (green-blind)

#48587F

Tritanopia (blue-blind)

#006C6D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #18647f;
/* rgb */ color: rgb(24, 100, 127);
/* oklch */ color: oklch(47.1% 0.082 227.1);

Tailwind

colors: {
  custom: {
    50: '#6790a4',
    500: '#18647f',
    950: '#000000',
  },
}

SCSS

$custom: #18647f;
$custom-light: #6790a4;
$custom-dark: #000000;

JSON

{
  "hex": "#18647f",
  "rgb": {
    "r": 24,
    "g": 100,
    "b": 127
  },
  "hsl": {
    "h": 195.728,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.4715,
    "c": 0.08235,
    "h": 227.1
  },
  "luminance": 0.10841
}

Semantic roles & 50–950 ramp

primary

#18647F

secondary

#B35E3F

accent

#6A3DEB

background

#F6F8FA

surface

#EBF0F4

border

#C6CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #18647F

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

Preview Lab → · Contrast checker → · Palette generator →