#18729F#18729F

#18729F is a mid, moderate cyan. Relative luminance 0.147; OKLCH L 52.4% C 0.106 H 236.9°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#18729F
RGB	rgb(24, 114, 159)
HSL	hsl(200, 74%, 36%)
HSV	hsv(200, 85%, 62%)
CMYK	cmyk(84.9%, 28.3%, 0%, 37.6%)
CIE-LAB	lab(45.26, -8.78, -31.34)
CIE-LCH	lch(45.26, 32.55, 254.34°)
OKLab	oklab(52.39% -0.0579 -0.0887)
OKLCH	oklch(52.39% 0.106 236.9)
XYZ	xyz(12.6495, 14.7304, 34.9707)
Luminance	0.1473 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18729F #9F4518

analogous

#189F88 #18729F #182E9F

triadic

#18729F #9F1872 #729F18

tetradic

#18729F #88189F #9F4518 #2E9F18

square

#18729F #88189F #9F4518 #2E9F18

split-complementary

#18729F #9F182E #9F8818

monochromatic

#082635 #104C6A #18729F #2098D4 #4DB2E4

Accessibility & contrast

On white

5.32

#18729F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#18729F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18729F

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18729F	#FFFFFF	#000000	##FFFFFF
##18729F	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C72A1

Deuteranopia (green-blind)

#4A669E

Tritanopia (blue-blind)

#007E82

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #18729f;
/* rgb */ color: rgb(24, 114, 159);
/* oklch */ color: oklch(52.4% 0.106 236.9);

Tailwind

colors: {
  custom: {
    50: '#6e9abb',
    500: '#18729f',
    950: '#000000',
  },
}

SCSS

$custom: #18729f;
$custom-light: #6e9abb;
$custom-dark: #000000;

JSON

{
  "hex": "#18729f",
  "rgb": {
    "r": 24,
    "g": 114,
    "b": 159
  },
  "hsl": {
    "h": 200,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.5239,
    "c": 0.10592,
    "h": 236.9
  },
  "luminance": 0.14732
}

Semantic roles & 50–950 ramp

primary

#18729F

secondary

#C6754D

accent

#7537F0

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#080E12

muted

#7B7E81

Preview Lab

Preview with #18729F

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

Preview Lab → · Contrast checker → · Palette generator →