#18668F#18668F

#18668F is a mid, moderate cyan. Relative luminance 0.117; OKLCH L 48.5% C 0.097 H 237.6°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#18668F
RGB	rgb(24, 102, 143)
HSL	hsl(201, 71%, 33%)
HSV	hsv(201, 83%, 56%)
CMYK	cmyk(83.2%, 28.7%, 0%, 43.9%)
CIE-LAB	lab(40.70, -7.70, -28.97)
CIE-LCH	lch(40.70, 29.98, 255.12°)
OKLab	oklab(48.51% -0.0521 -0.082)
OKLCH	oklch(48.51% 0.097 237.6)
XYZ	xyz(10.0840, 11.6788, 27.7040)
Luminance	0.1168 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18668F #8F4118

analogous

#188F7C #18668F #182B8F

triadic

#18668F #8F1866 #668F18

tetradic

#18668F #7C188F #8F4118 #2B8F18

square

#18668F #7C188F #8F4118 #2B8F18

split-complementary

#18668F #8F182B #8F7C18

monochromatic

#061B26 #0F415B #18668F #218BC3 #42A9DF

Accessibility & contrast

On white

6.29

#18668F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#18668F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18668F

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18668F	#FFFFFF	#000000	##FFFFFF
##18668F	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#526691

Deuteranopia (green-blind)

#425B8E

Tritanopia (blue-blind)

#007074

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #18668f;
/* rgb */ color: rgb(24, 102, 143);
/* oklch */ color: oklch(48.5% 0.097 237.6);

Tailwind

colors: {
  custom: {
    50: '#6a91b0',
    500: '#18668f',
    950: '#000000',
  },
}

SCSS

$custom: #18668f;
$custom-light: #6a91b0;
$custom-dark: #000000;

JSON

{
  "hex": "#18668f",
  "rgb": {
    "r": 24,
    "g": 102,
    "b": 143
  },
  "hsl": {
    "h": 200.672,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.48507,
    "c": 0.09712,
    "h": 237.6
  },
  "luminance": 0.1168
}

Semantic roles & 50–950 ramp

primary

#18668F

secondary

#C06E43

accent

#783AEE

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #18668F

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

Preview Lab → · Contrast checker → · Palette generator →