#18768B#18768B

#18768B is a mid, moderate cyan. Relative luminance 0.150; OKLCH L 52.4% C 0.087 H 217.3°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#18768B
RGB	rgb(24, 118, 139)
HSL	hsl(191, 71%, 32%)
HSV	hsv(191, 83%, 55%)
CMYK	cmyk(82.7%, 15.1%, 0%, 45.5%)
CIE-LAB	lab(45.65, -18.35, -18.90)
CIE-LCH	lch(45.65, 26.35, 225.85°)
OKLab	oklab(52.41% -0.0695 -0.0529)
OKLCH	oklch(52.41% 0.087 217.3)
XYZ	xyz(11.5133, 15.0137, 26.7122)
Luminance	0.1502 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18768B #8B2D18

analogous

#188B67 #18768B #183C8B

triadic

#18768B #8B1876 #768B18

tetradic

#18768B #67188B #8B2D18 #3C8B18

square

#18768B #67188B #8B2D18 #3C8B18

split-complementary

#18768B #8B183C #8B6718

monochromatic

#061D23 #0F4A57 #18768B #21A2BF #3FC1DE

Accessibility & contrast

On white

5.25

#18768B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#18768B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18768B

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18768B	#FFFFFF	#000000	##FFFFFF
##18768B	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#68728C

Deuteranopia (green-blind)

#59678B

Tritanopia (blue-blind)

#007D7D

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #18768b;
/* rgb */ color: rgb(24, 118, 139);
/* oklch */ color: oklch(52.4% 0.087 217.3);

Tailwind

colors: {
  custom: {
    50: '#6b9dad',
    500: '#18768b',
    950: '#000000',
  },
}

SCSS

$custom: #18768b;
$custom-light: #6b9dad;
$custom-dark: #000000;

JSON

{
  "hex": "#18768b",
  "rgb": {
    "r": 24,
    "g": 118,
    "b": 139
  },
  "hsl": {
    "h": 190.957,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.52412,
    "c": 0.08729,
    "h": 217.3
  },
  "luminance": 0.15015
}

Semantic roles & 50–950 ramp

primary

#18768B

secondary

#BE5740

accent

#5B3AED

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080E10

muted

#7A7E7F

Preview Lab

Preview with #18768B

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

Preview Lab → · Contrast checker → · Palette generator →