#18738D#18738D

#18738D is a mid, moderate cyan. Relative luminance 0.144; OKLCH L 51.7% C 0.089 H 222.5°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#18738D
RGB	rgb(24, 115, 141)
HSL	hsl(193, 71%, 32%)
HSV	hsv(193, 83%, 55%)
CMYK	cmyk(83%, 18.4%, 0%, 44.7%)
CIE-LAB	lab(44.77, -15.98, -21.45)
CIE-LCH	lch(44.77, 26.75, 233.31°)
OKLab	oklab(51.73% -0.0656 -0.0601)
OKLCH	oklch(51.73% 0.089 222.5)
XYZ	xyz(11.3131, 14.3773, 27.3730)
Luminance	0.1438 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18738D #8D3218

analogous

#188D6C #18738D #18398D

triadic

#18738D #8D1873 #738D18

tetradic

#18738D #6C188D #8D3218 #398D18

square

#18738D #6C188D #8D3218 #398D18

split-complementary

#18738D #8D1839 #8D6C18

monochromatic

#061E24 #0F4859 #18738D #219EC1 #41BCDF

Accessibility & contrast

On white

5.42

#18738D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#18738D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18738D

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18738D	#FFFFFF	#000000	##FFFFFF
##18738D	1.00	5.42	3.88	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#64708E

Deuteranopia (green-blind)

#55658D

Tritanopia (blue-blind)

#007B7B

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #18738d;
/* rgb */ color: rgb(24, 115, 141);
/* oklch */ color: oklch(51.7% 0.089 222.5);

Tailwind

colors: {
  custom: {
    50: '#6b9bae',
    500: '#18738d',
    950: '#000000',
  },
}

SCSS

$custom: #18738d;
$custom-light: #6b9bae;
$custom-dark: #000000;

JSON

{
  "hex": "#18738d",
  "rgb": {
    "r": 24,
    "g": 115,
    "b": 141
  },
  "hsl": {
    "h": 193.333,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.51728,
    "c": 0.08902,
    "h": 222.5
  },
  "luminance": 0.14379
}

Semantic roles & 50–950 ramp

primary

#18738D

secondary

#BF5D42

accent

#623AEE

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080E10

muted

#7A7E7F

Preview Lab

Preview with #18738D

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

Preview Lab → · Contrast checker → · Palette generator →