#18718B#18718B

#18718B is a mid, moderate cyan. Relative luminance 0.139; OKLCH L 51.1% C 0.088 H 222.9°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#18718B
RGB	rgb(24, 113, 139)
HSL	hsl(194, 71%, 32%)
HSV	hsv(194, 83%, 55%)
CMYK	cmyk(82.7%, 18.7%, 0%, 45.5%)
CIE-LAB	lab(44.04, -15.58, -21.38)
CIE-LCH	lch(44.04, 26.46, 233.92°)
OKLab	oklab(51.12% -0.0644 -0.06)
OKLCH	oklch(51.12% 0.088 222.9)
XYZ	xyz(10.9401, 13.8672, 26.5211)
Luminance	0.1387 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18718B #8B3218

analogous

#188B6C #18718B #18388B

triadic

#18718B #8B1871 #718B18

tetradic

#18718B #6C188B #8B3218 #388B18

square

#18718B #6C188B #8B3218 #388B18

split-complementary

#18718B #8B1838 #8B6C18

monochromatic

#061C23 #0F4757 #18718B #219BBF #3FBADE

Accessibility & contrast

On white

5.56

#18718B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#18718B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18718B

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18718B	#FFFFFF	#000000	##FFFFFF
##18718B	1.00	5.56	3.77	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#626E8C

Deuteranopia (green-blind)

#53638B

Tritanopia (blue-blind)

#007979

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #18718b;
/* rgb */ color: rgb(24, 113, 139);
/* oklch */ color: oklch(51.1% 0.088 222.9);

Tailwind

colors: {
  custom: {
    50: '#6a9aad',
    500: '#18718b',
    950: '#000000',
  },
}

SCSS

$custom: #18718b;
$custom-light: #6a9aad;
$custom-dark: #000000;

JSON

{
  "hex": "#18718b",
  "rgb": {
    "r": 24,
    "g": 113,
    "b": 139
  },
  "hsl": {
    "h": 193.565,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.51116,
    "c": 0.08801,
    "h": 222.9
  },
  "luminance": 0.13869
}

Semantic roles & 50–950 ramp

primary

#18718B

secondary

#BE5D40

accent

#633AED

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080E10

muted

#7A7E7F

Preview Lab

Preview with #18718B

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

Preview Lab → · Contrast checker → · Palette generator →