#18758E#18758E

#18758E is a mid, moderate cyan. Relative luminance 0.149; OKLCH L 52.3% C 0.089 H 221.2°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#18758E
RGB	rgb(24, 117, 142)
HSL	hsl(193, 71%, 33%)
HSV	hsv(193, 83%, 56%)
CMYK	cmyk(83.1%, 17.6%, 0%, 44.3%)
CIE-LAB	lab(45.45, -16.74, -20.99)
CIE-LCH	lch(45.45, 26.85, 231.43°)
OKLab	oklab(52.29% -0.0672 -0.0588)
OKLCH	oklch(52.29% 0.089 221.2)
XYZ	xyz(11.6184, 14.8683, 27.8435)
Luminance	0.1487 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18758E #8E3118

analogous

#188E6C #18758E #183A8E

triadic

#18758E #8E1875 #758E18

tetradic

#18758E #6C188E #8E3118 #3A8E18

square

#18758E #6C188E #8E3118 #3A8E18

split-complementary

#18758E #8E183A #8E6C18

monochromatic

#061F25 #0F4A5A #18758E #21A0C2 #41BEDF

Accessibility & contrast

On white

5.28

#18758E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#18758E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18758E

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18758E	#FFFFFF	#000000	##FFFFFF
##18758E	1.00	5.28	3.97	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#66728F

Deuteranopia (green-blind)

#57678E

Tritanopia (blue-blind)

#007D7D

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #18758e;
/* rgb */ color: rgb(24, 117, 142);
/* oklch */ color: oklch(52.3% 0.089 221.2);

Tailwind

colors: {
  custom: {
    50: '#6b9daf',
    500: '#18758e',
    950: '#000000',
  },
}

SCSS

$custom: #18758e;
$custom-light: #6b9daf;
$custom-dark: #000000;

JSON

{
  "hex": "#18758e",
  "rgb": {
    "r": 24,
    "g": 117,
    "b": 142
  },
  "hsl": {
    "h": 192.712,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.52292,
    "c": 0.08931,
    "h": 221.2
  },
  "luminance": 0.1487
}

Semantic roles & 50–950 ramp

primary

#18758E

secondary

#C05D42

accent

#603AEE

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #18758E

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

Preview Lab → · Contrast checker → · Palette generator →