#18678F#18678F

#18678F is a mid, moderate cyan. Relative luminance 0.119; OKLCH L 48.8% C 0.096 H 236.6°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#18678F
RGB	rgb(24, 103, 143)
HSL	hsl(200, 71%, 33%)
HSV	hsv(200, 83%, 56%)
CMYK	cmyk(83.2%, 28%, 0%, 43.9%)
CIE-LAB	lab(41.02, -8.30, -28.47)
CIE-LCH	lch(41.02, 29.66, 253.75°)
OKLab	oklab(48.76% -0.053 -0.0805)
OKLCH	oklch(48.76% 0.096 236.6)
XYZ	xyz(10.1829, 11.8766, 27.7370)
Luminance	0.1188 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18678F #8F4018

analogous

#188F7B #18678F #182C8F

triadic

#18678F #8F1867 #678F18

tetradic

#18678F #7B188F #8F4018 #2C8F18

square

#18678F #7B188F #8F4018 #2C8F18

split-complementary

#18678F #8F182C #8F7B18

monochromatic

#061C26 #0F415B #18678F #218DC3 #42AADF

Accessibility & contrast

On white

6.22

#18678F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#18678F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18678F

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18678F	#FFFFFF	#000000	##FFFFFF
##18678F	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#546791

Deuteranopia (green-blind)

#445C8E

Tritanopia (blue-blind)

#007175

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #18678f;
/* rgb */ color: rgb(24, 103, 143);
/* oklch */ color: oklch(48.8% 0.096 236.6);

Tailwind

colors: {
  custom: {
    50: '#6a92b0',
    500: '#18678f',
    950: '#000000',
  },
}

SCSS

$custom: #18678f;
$custom-light: #6a92b0;
$custom-dark: #000000;

JSON

{
  "hex": "#18678f",
  "rgb": {
    "r": 24,
    "g": 103,
    "b": 143
  },
  "hsl": {
    "h": 200.168,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.4876,
    "c": 0.09642,
    "h": 236.6
  },
  "luminance": 0.11878
}

Semantic roles & 50–950 ramp

primary

#18678F

secondary

#C06D43

accent

#763AEE

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080D10

muted

#7A7D7F

Preview Lab

Preview with #18678F

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

Preview Lab → · Contrast checker → · Palette generator →