#18798F#18798F

#18798F is a mid, moderate cyan. Relative luminance 0.159; OKLCH L 53.4% C 0.089 H 217.7°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#18798F
RGB	rgb(24, 121, 143)
HSL	hsl(191, 71%, 33%)
HSV	hsv(191, 83%, 56%)
CMYK	cmyk(83.2%, 15.4%, 0%, 43.9%)
CIE-LAB	lab(46.78, -18.58, -19.55)
CIE-LCH	lch(46.78, 26.97, 226.45°)
OKLab	oklab(53.37% -0.0708 -0.0547)
OKLCH	oklch(53.37% 0.089 217.7)
XYZ	xyz(12.1699, 15.8506, 28.3993)
Luminance	0.1585 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18798F #8F2E18

analogous

#188F69 #18798F #183E8F

triadic

#18798F #8F1879 #798F18

tetradic

#18798F #69188F #8F2E18 #3E8F18

square

#18798F #69188F #8F2E18 #3E8F18

split-complementary

#18798F #8F183E #8F6918

monochromatic

#062026 #0F4D5B #18798F #21A5C3 #42C2DF

Accessibility & contrast

On white

5.04

#18798F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#18798F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18798F

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18798F	#FFFFFF	#000000	##FFFFFF
##18798F	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7590

Deuteranopia (green-blind)

#5B6A8F

Tritanopia (blue-blind)

#008180

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #18798f;
/* rgb */ color: rgb(24, 121, 143);
/* oklch */ color: oklch(53.4% 0.089 217.7);

Tailwind

colors: {
  custom: {
    50: '#6ca0af',
    500: '#18798f',
    950: '#000000',
  },
}

SCSS

$custom: #18798f;
$custom-light: #6ca0af;
$custom-dark: #000000;

JSON

{
  "hex": "#18798f",
  "rgb": {
    "r": 24,
    "g": 121,
    "b": 143
  },
  "hsl": {
    "h": 191.092,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.53371,
    "c": 0.08945,
    "h": 217.7
  },
  "luminance": 0.15852
}

Semantic roles & 50–950 ramp

primary

#18798F

secondary

#C05A43

accent

#5B3AEE

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #18798F

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

Preview Lab → · Contrast checker → · Palette generator →