#18758F#18758F

#18758F is a mid, moderate cyan. Relative luminance 0.149; OKLCH L 52.3% C 0.090 H 222.1°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#18758F
RGB	rgb(24, 117, 143)
HSL	hsl(193, 71%, 33%)
HSV	hsv(193, 83%, 56%)
CMYK	cmyk(83.2%, 18.2%, 0%, 43.9%)
CIE-LAB	lab(45.49, -16.38, -21.52)
CIE-LCH	lch(45.49, 27.05, 232.72°)
OKLab	oklab(52.34% -0.0668 -0.0603)
OKLCH	oklch(52.34% 0.09 222.1)
XYZ	xyz(11.6938, 14.8985, 28.2406)
Luminance	0.1490 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18758F #8F3218

analogous

#188F6D #18758F #183A8F

triadic

#18758F #8F1875 #758F18

tetradic

#18758F #6D188F #8F3218 #3A8F18

square

#18758F #6D188F #8F3218 #3A8F18

split-complementary

#18758F #8F183A #8F6D18

monochromatic

#061F26 #0F4A5B #18758F #21A0C3 #42BDDF

Accessibility & contrast

On white

5.28

#18758F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#18758F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18758F

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18758F	#FFFFFF	#000000	##FFFFFF
##18758F	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#667290

Deuteranopia (green-blind)

#56678F

Tritanopia (blue-blind)

#007D7D

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #18758f;
/* rgb */ color: rgb(24, 117, 143);
/* oklch */ color: oklch(52.3% 0.090 222.1);

Tailwind

colors: {
  custom: {
    50: '#6b9db0',
    500: '#18758f',
    950: '#000000',
  },
}

SCSS

$custom: #18758f;
$custom-light: #6b9db0;
$custom-dark: #000000;

JSON

{
  "hex": "#18758f",
  "rgb": {
    "r": 24,
    "g": 117,
    "b": 143
  },
  "hsl": {
    "h": 193.109,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.52339,
    "c": 0.09001,
    "h": 222.1
  },
  "luminance": 0.149
}

Semantic roles & 50–950 ramp

primary

#18758F

secondary

#C05E43

accent

#613AEE

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #18758F

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

Preview Lab → · Contrast checker → · Palette generator →