#18738F#18738F

#18738F is a mid, moderate cyan. Relative luminance 0.144; OKLCH L 51.8% C 0.091 H 224.3°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#18738F
RGB	rgb(24, 115, 143)
HSL	hsl(194, 71%, 33%)
HSV	hsv(194, 83%, 56%)
CMYK	cmyk(83.2%, 19.6%, 0%, 43.9%)
CIE-LAB	lab(44.85, -15.26, -22.51)
CIE-LCH	lch(44.85, 27.20, 235.86°)
OKLab	oklab(51.82% -0.0648 -0.0632)
OKLCH	oklch(51.82% 0.091 224.3)
XYZ	xyz(11.4633, 14.4374, 28.1638)
Luminance	0.1444 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18738F #8F3418

analogous

#188F70 #18738F #18378F

triadic

#18738F #8F1873 #738F18

tetradic

#18738F #70188F #8F3418 #378F18

square

#18738F #70188F #8F3418 #378F18

split-complementary

#18738F #8F1837 #8F7018

monochromatic

#061F26 #0F495B #18738F #219DC3 #42BADF

Accessibility & contrast

On white

5.40

#18738F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#18738F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18738F

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18738F	#FFFFFF	#000000	##FFFFFF
##18738F	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#637090

Deuteranopia (green-blind)

#54658F

Tritanopia (blue-blind)

#007B7C

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #18738f;
/* rgb */ color: rgb(24, 115, 143);
/* oklch */ color: oklch(51.8% 0.091 224.3);

Tailwind

colors: {
  custom: {
    50: '#6b9bb0',
    500: '#18738f',
    950: '#000000',
  },
}

SCSS

$custom: #18738f;
$custom-light: #6b9bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#18738f",
  "rgb": {
    "r": 24,
    "g": 115,
    "b": 143
  },
  "hsl": {
    "h": 194.118,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.51824,
    "c": 0.09052,
    "h": 224.3
  },
  "luminance": 0.14439
}

Semantic roles & 50–950 ramp

primary

#18738F

secondary

#C06043

accent

#643AEE

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #18738F

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

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