#18738E#18738E

#18738E is a mid, moderate cyan. Relative luminance 0.144; OKLCH L 51.8% C 0.090 H 223.4°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#18738E
RGB	rgb(24, 115, 142)
HSL	hsl(194, 71%, 33%)
HSV	hsv(194, 83%, 56%)
CMYK	cmyk(83.1%, 19%, 0%, 44.3%)
CIE-LAB	lab(44.81, -15.62, -21.98)
CIE-LCH	lch(44.81, 26.97, 234.59°)
OKLab	oklab(51.78% -0.0652 -0.0617)
OKLCH	oklch(51.78% 0.09 223.4)
XYZ	xyz(11.3879, 14.4072, 27.7666)
Luminance	0.1441 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18738E #8E3318

analogous

#188E6E #18738E #18388E

triadic

#18738E #8E1873 #738E18

tetradic

#18738E #6E188E #8E3318 #388E18

square

#18738E #6E188E #8E3318 #388E18

split-complementary

#18738E #8E1838 #8E6E18

monochromatic

#061E25 #0F495A #18738E #219DC2 #41BBDF

Accessibility & contrast

On white

5.41

#18738E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#18738E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18738E

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18738E	#FFFFFF	#000000	##FFFFFF
##18738E	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#64708F

Deuteranopia (green-blind)

#54658E

Tritanopia (blue-blind)

#007B7C

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #18738e;
/* rgb */ color: rgb(24, 115, 142);
/* oklch */ color: oklch(51.8% 0.090 223.4);

Tailwind

colors: {
  custom: {
    50: '#6b9baf',
    500: '#18738e',
    950: '#000000',
  },
}

SCSS

$custom: #18738e;
$custom-light: #6b9baf;
$custom-dark: #000000;

JSON

{
  "hex": "#18738e",
  "rgb": {
    "r": 24,
    "g": 115,
    "b": 142
  },
  "hsl": {
    "h": 193.729,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.51776,
    "c": 0.08975,
    "h": 223.4
  },
  "luminance": 0.14409
}

Semantic roles & 50–950 ramp

primary

#18738E

secondary

#C05F42

accent

#633AEE

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #18738E

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

Preview Lab → · Contrast checker → · Palette generator →